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Dublin Institute of Technology

College of Engineering & Built Environment

Journal and Conference Publications

Journal Publications

  1. Callaghan, D. J., Rajan, G., McGrath, M., Coyle, E., Semenova, Y., Farrell, G.: “Investigation and experimental measurement of scissor blade cutting forces using fiber Bragg grating sensors”, Smart Materials and Structures, Vol. 20, 2011, 105004 (9pp).
  2. Mathews, S., Farrell, G., Semenova, Y.: “Experimental study on the frequency dependence of the liquid crystal infiltrated photonic crystal fibers”, IEEE Sensors Journal, accepted for publication.
  3. Wu, Q., Semenova, Y., Wang, P., Farrell, G.: “A novel fiber heterostructure for simultaneous strain and temperature measurement”, Electronics Letters, Vol. 47, No. 12, 2011, doi: 10.1049/el.2011.0974.
  4. Wu, Q., Semenova, Y., Yan, B., Ma, Y., Wang, P., Yu, C. and Farrell, G.: “Fiber refractometer based on an FBG and SMS fiber structure”, Optics Letters, Vol. 36, No. 12, 2011, pp. 2197-2199.
  5. Wu, Q., Semenova, Y., Mathew, J., Wang, P., Farrell, G.: “Humidity sensor based on a single-mode hetero-core fiber structure”, Optics Letters, Vol. 36, Issue 10, 2011, pp. 1752– 1754.
  6. Wang, P., Ganapathy, S. M., Lee, T., Feng, X., Semenova, Y., Wu, Q., Loh, W., Brambilla, G., Wilkinson, J. S., Farrell, G.: “Lead silicate glass microsphere resonators with absorption-limited Q”, Applied Physics Letters, 98, 2011, 181105.
  7. Wang, P., Brambilla, G., Ding, M., Semenova, Y., Wu, Q., Farrell, G.: “High-sensitivity, evanescent field refractometric sensor based on a tapered, multimode fiber interference”, Optics Letters, Vol. 36, Issue 12, 2011, pp. 2233-2235.
  8. Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Farrell, G.: “A simple ultrasensitive displacement sensor based on a high bend loss singlemode fibre and a ratiometric measurement system”, Journal of Optics, vol. 13, 2011, 075402 (5 pp).
  9. Belkin, M. E., Loparev, A. V., Semenova, Y., Farrell, G., Sigov, A. S.: “Tunable RF-band optoelectronic oscillator and optoelectronic computer-aided design model for its simulation”, Microwave and Optical Technology Letters, Vol. 53, No. 11, 2011, 2474-2477.
  10. Wu, Q., Semenova, Y., Hatta, A. M., Wang, P., Farrell, G.: “"Singlemode-Multimode-Singlemode fiber structures for simultaneous measurement of strain and temperature", Microwave and Optical Technology Letters, Vol. 53, No. 9, 2011, pp. 2181-2185.
  11. Mathew, J., Semenova, Y., Rajan, G., Wang, P., Farrell, G.: “Improving the sensitivity of a humidity sensor based on fiber bend coated with a hygroscopic coating”, Optics & Laser Technology, Vol. 43, 2011, pp. 1301–1305.
  12. Wu, Q., Semenova, Y., Wang, P. and Farrell, G.: “High sensitivity SMS fiber structure based refractometer – analysis and experiment”, Optics Express, Vol. 19, No. 9, 2011, pp. 7937-7944.
  13. Mathews, S., Farrell, G., Semenova, Y.: “Liquid crystal infiltrated photonic crystal fibers for electric field intensity measurements”, Applied Optics, Vol. 50, Issue 17, 2011, pp. 2628-2635.
  14. Wang, P., Brambilla, G., Ding, M., Semenova, Y., Wu, Q., Farrell, G.: “Investigation of singlemode-multimode-singlemode and singlemode- tapered multimode-singlemode fibre structures and their application for refractive index sensing”, Journal of the Optical Society of America B, Vol. 28, No. 5, 2011, pp. 1180-1186.
  15. Rajan, G., Ramakrishnan, M., Semenova, Y., Milenko, K., Lesiak, P., Domanski, A., Wolinski, T. and Farrell, G.: “A Photonic Crystal Fiber and Fiber Bragg Grating Based Hybrid Fiber Optic Sensor System”, IEEE Sensors Journal, accepted for publication.
  16. Wang, P., Semenova, Y., Wu, Q., Farrell, G.: “A fiber-optic voltage sensor based on a macrobending structure”, Optics & Laser Technology, Vol. 43, 2011, pp. 922–925.
  17. Wu, Q., Semenova, Y., Wang, P., Hatta, A. M. and Farrell, G.: “Experimental demonstration of a simple displacement sensor based on a bent single-mode–multimode–single-mode fiber structure”, Measurement Science and Technology, Vol. 22, 2011, 025203.
  18. Mathews, S., Farrell, G., Semenova, Y.: "Directional electric field sensitivity of a liquid crystal infiltrated photonic crystal fiber", IEEE Photonics Technology Letters, 2011, Vol. 23, No. 7, 2011, pp. 408-410.
  19. Mathews, S., Farrell, G., Semenova, Y.: “All-fiber polarimetric electric field sensing using liquid crystal infiltrated photonic crystal fibers”, Sensors & Actuators: A. Physical, 2011, Vol. 167, 2011, pp. 54–59.
  20. Rajan, G., Mathews, S., Farrell, G. and Semenova, Y.: “A liquid crystal coated tapered photonic crystal fiber interferometer”, Journal of Optics A: Pure and Applied Physics, Vol. 13, 2011, 015403 (7pp).
  21. Wang, P., Semenova, Y., Zheng, J., Hatta, A., Wu, Q. and Farrell, G.: "Numerical study of an ion-exchanged glass waveguide using both two-dimensional and three-dimensional models", Journal of Optics and Laser Technology, Vol. 43, Issue 4, 2011, pp.882–888.
  22. Mathews, S., Farrell, G., Semenova, Y.: “Experimental demonstration of an all-fiber variable optical attenuator based on liquid crystal infiltrated photonic crystal fiber”, Microwave and Optical Technology Letters, Vol. 53, No. 3, 2011, pp. 539-543.
  23. Wang, P., Semenova, Y.; Zheng, J., Wu, Q., Hatta, A., Farrell, G.: “Proposal for a simple integrated optical ion exchange waveguide polarizer with a liquid crystal overlay”, Optics Communications, Vol. 284, 2011, pp. 979-984.
  24. Wu, Q., Hatta, A. M., Wang, P., Semenova, Y., Farrell, G.: “Use of a bent single SMS fiber structure for simultaneous measurement of displacement and temperature sensing”, IEEE Photonics Technology Letters, 2011, vol. 23, No. 2, pp. 130-132.
  25. Wu, Q., Semenova, Y., Rajan, G., Wang, P., Farrell, G.: “A study of the effect of source signal bandwidth on ratiometric wavelength measurement”, Applied Optics, Vol. 49, No. 29, 2010, pp. 5626-5631.
  26. Mathew, J., Semenova, Y., Rajan, G., and Farrell, G.: “Humidity sensor based on a photonic crystal fiber interferometer”, Electronics Letters, Vol. 46, No. 19, 2010, pp.1341–1343.
  27. Rajan, G., Semenova, Y., Mathew, J., Farrell, G.: "Experimental analysis and demonstration of a low cost temperature sensor for engineering applications", Sensors and Actuators A: Physical, Vol. 163, 2010, pp. 88-95.
  28. Rajan, G., Callaghan, D., Semenova, Y., McGrath, M., Coyle, E. and Farrell, G.: “A fiber Bragg grating based all-fiber sensing system for telerobotic cutting applications”, IEEE Sensors Journal, Vol. 10, No. 12, 2010, pp. 1913-1920.
  29. Wang, P., Semenova, Y., Li, Y., Wu, Q., Farrell, G.: “A macrobending singlemode fiber refractive index sensor for low refractive index liquids”, Photonics Letters of Poland, Vol. 2, No. 2, 2010, pp. 67-69.
  30. Sun, A., Semenova, Y., Wu, Q., Farrell, G. “Simple optic fibre microphone based on hetero-core spliced fibre structure”, Electronics Letters, Vol. 46, No. 12, 2010, pp. 853-854.
  31. Wu, Q., Semenova, Y., Hatta, A., Wang, P., Farrell, G.: “Bent SMS fiber structure for temperature measurement”, Electronics Letters, Vol. 46, No. 16, 2010, pp. 1129 - 1130.
  32. Wang, P., Semenova, Y., Wu, Q., and Farrell, G.: “A bend loss–based singlemode fiber microdisplacement sensor”, Microwave and Optical Technology Letters, Vol. 52, No.10, 2010, pp. 2231-2234.
  33. Sun, A., Semenova, Y., Farrell, G., Byrne, R. and Finlay, H.: “Low cost disposable reflective optical fiber microphone”, Microwave and Optical Technology Letters, Vol. 52, No.7, 2010, pp. 1504-1507.
  34. Sun, A., Semenova, Y., Farrell, G., Chen, B., Li, G. and Lin, Z.: “BOTDR integrated with a FBG sensing system for distributed strain measurement”, Electronics Letters, Vol. 46, No. 1, 2010, pp. 66-68.
  35. Hatta, A., Semenova, Y., Rajan, G. and Farrell, G.: “A voltage sensor based on a Singlemode-Multimode-Singlemode fiber structure”, Microwave and Optical Technology Letters, Vol. 52, No.8, 2010, pp. 1887-1890.
  36. Wu, Q., Wang, P., Semenova, Y. and Farrell, G.: “A study of the effect of the position of an edge filter within a ratiometric wavelength measurement system”, Measurement Science and Technology, Vol. 21, 2010, 5pp.
  37. Rajan, G., Milenko, K., Lesiak, P., Semenova, Y., Boczkowska, A., Ramakrishnan, M., Jedrzejewski, K., Domanski, A., Wolinski, T. and Farrell, G.: “A hybrid fiber optic sensing system for simultaneous strain and temperature measurement and its applications”, Photonics Letters of Poland, Vol. 2, No. 1, 2010, pp. 46-48.
  38. Wang, P., Semenova, Y., Wu, Q., Zheng, J. and Farrell, G.: “Temperature performance of a macrobending singlemode fiber based refractometer”, Applied Optics, Vol. 49, No. 10, 2010, pp. 1744-1749.
  39. Hatta, A. M., Semenova, Y., Rajan, G., Farrell, G.: “Polarization dependence of an edge filter based on singlemode–multimode–singlemode fibre”, Optics & Laser Technology, Vol. 42, 2010, pp. 1044-1048.
  40. Wu Q., Rajan, G., Wang, P., Semenova, Y., Farrell, G.: “Optimum design for maximum wavelength resolution for an edge filter-based ratiometric system”, Optics & Laser Technology, Vol. 42, 2010, pp. 1032-1037.
  41. Hatta, A. M., Semenova, Y., Rajan, G., Wang, P., Zheng, J.and Farrell, G.: “Analysis of temperature dependence for a ratiometric wavelength measurement system using SMS fiber structure based edge filters”, Optics Communications, Vol. 283, Issue 7, 2010, pp. 1291-1295.
  42. Hatta, A. M., Semenova, Y., Wu, Q. and Farrell, G.: “Strain sensor based on a pair of singlemode-multimode-singlemode fibre structures in a ratiometric power measurement scheme”, Applied Optics, Vol. 49, No. 3, 2010, pp. 536-541.
  43. Wu, Q., Semenova, Y., Sun, A., Wang, P., Farrell, G.: “High resolution temperature insensitive interrogation technique for FBG sensors”, Optics & Laser Technology, Vol. 42, 2010, pp. 653–656.
  44. Wu, Q., Farrell, G., Semenova, Y.: “Simple design technique for a triangular FBG filter based on a linearly chirped grating”, Optics Communications, Vol. 283, 2010, pp. 985–992.
  45. Wu, Q., Hatta, A. M., Semenova, Y. and Farrell, G.: “Use of a single-multiple-single-mode fiber filter for interrogating fiber Bragg grating strain sensors with dynamic temperature compensation”, Applied Optics, Vol. 48, No. 29, 2009, pp. 5451-5458.
  46. Hatta, A. M., Rajan, G., Semenova, Y. and Farrell, G.: “SMS fibre structure for temperature measurement using a simple intensity-based interrogation system”, Electronics Letters, Vol. 45, No. 21, 2009, pp. 1069-1071.
  47. Wang, P., Semenova, Y., Wu, Q., Farrell, G., Ti, Y., Zheng, J.: “Macrobending single-mode fiber-based refractometer”, Applied Optics, Vol. 48, No. 31, 2009, pp. 6044-6049.
  48. Wang, P., Farrell, G. and Semenova, Y.: “Generalized design process for fiber-bend- loss-based edge filters for a wavelength measurement system”, Applied Optics, Vol. 48, No. 16, 2009, pp. 3055-3061.
  49. Mathews, S., Semenova, Y. and Farrell, G.: “Electronic Tunability of Ferroelectric Liquid Crystal Infiltrated Photonic Crystal Fiber”, Electronics Letters, Vol. 45, No. 12, 2009, pp. 617-618.
  50. Hatta, A., Farrell, G., Wang, P., Rajan, G. and Semenova, Y.: “Misalignment Limits for a Singlemode-Multimode-Singlemode Fiber Based Edge Filter", IEEE Journal of Lightwave Technology, Vol. 27, No. 13, 2009, pp. 2482-2488.
  51. Wang, P., Farrell, G., Semenova, Y., Rajan, G.: “Investigation of polarization- dependent loss for a macrobending loss sensitive single-mode fiber”, Microwave and Optical Technology Letters, Vol. 51, No. 6, 2009, pp. 1460-1464.
  52. Wang, P., Semenova, Y., Rajan, G., Freir, T., Farrell, G.: “The temperature dependence of polarization-dependent loss for a macrobending single-mode-fiber-based edge filter”, IEEE Photonics Technology Letters, Vol. 21, No. 8, 2009, pp. 516-518.
  53. Rajan, G., Semenova, Y., Farrell, G.: “Analysis and performance evaluation of an all-fiber wide range interrogation system for a Bragg grating sensor array", J.Opt. A: Pure Appl. Opt. 11, 2009, 054004 (10pp).
  54. Rajan. G, Semenova. Y, Wang. P, Farrell. G, "Temperature induced instabilities in macro-bend fiber based wavelength measurement systems", IEEE Journal of Lightwave Technology, Vol. 27, 2009, pp. 1355-1361.
  55. Rajan, G., Semenova, Y. and Farrell, G.: "An all-fiber temperature sensor based on a macro-bend singlemode fiber loop", Electronics Letters, vol.44, No. 19, 2008, pp. 1123-1124.
  56. Hatta, A., Farrell, G., Wang, Q., Rajan, G., Wang, P. and Semenova, Y.: "Ratiometric wavelength monitor based on singlemode-multimode-singlemode fiber structure", Microwave and Optical Technology Letters, Vol. 50, No. 12, 2008, pp.3036-3039.
  57. Wang, P., Rajan G., Semenova, Y., and Farrell, G.: “Temperature dependence of a macrobending edge filter based on a high-bend loss fiber”, Optics Letters, Vol. 33, No. 21, 2008, pp. 2470-2472.
  58. Rajan, G., Semenova, Y., Freir, T., Wang, P. and Farrell, G.: "Modelling and Analysis of the Effect of Noise on an Edge Filter Based Ratiometric Wavelength Measurement System", IEEE Journal of Lightwave Technology, Vol. 26, No. 20, 2008, pp.3434-3442.
  59. Rajan, G., Semenova, Y., Farrell, G., Wang, Q. and Wang, P.: "A Low Polarization Sensitivity All-Fiber Wavelength Measurement System", IEEE Photonics Technology Letters, Vol. 20, No. 17, 2008, pp 1464-1466.
  60. Wang, P., Farrell, G., Semenova, Y. and Rajan, G.: "Influence of fiber manufacturing tolerances on the spectral response of a bend loss based all-fiber edge filter", Applied Optics, Vol. 47, No. 16, 2008, pp 2921-2925.
  61. Wang, P., Semenova, Y. and Farrell, G.: "Temperature dependence of macrobending loss in all-fiber bend loss edge filter", Optics Communications, Vol. 281, 2008, pp. 4312-4316.
  62. Rajan, G., Semenova, Y., Farrell, G. and Wang, P.: "Effect of polarization dependent loss on the performance accuracy of a ratiometric wavelength measurement system", IET Optoelectronics, 2008, Vol. 2, No. 2, pp. 63-68.
  63. Rajan, G., Semenova, Y., Wang, Q., Farrell, G., and Wang, P.: "A method to measure reference strain in FBG strain sensor interrogation system involving actuators", Microwave and Optical Technology Letters, Volume 49, Issue 11, 2007, pp 2658-2661.
  64. Wang, Q., Rajan. G., Farrell, G., Wang, P., Semenova, Y. and Freir, T.: "Macrobending fiber loss filter, ratiometric wavelength measurement and application", Measurement Science and Technology, Vol. 18 No. 10, 2007, pp 3082-3088.
  65. Rajan, G., Wang, Q., Farrell, G., Semenova, Y. and Wang, P.: "Effect of SNR of an input signal on the accuracy of a ratiometric wavelength measurement system", Microwave and Optical Technology Letters, Vol. 49, Issue 5, 2007, pp. 1022-1024.
  66. Wang, Q., Farrell, G. and Semenova, Y.: "Design of Integrated polarization beam splitter with liquid crystal covering layer and its design", IEEE Journal of Selected Topics in Quantum Electronics, Special issue devoted to Silicon Photonics, Vol 12, No. 6, 2006, pp. 1349-1353.
  67. Wang, Q., Farrell, G., and Semenova, Y.: "Optimal Design of Birefringent Filter with a Flattop Passband", Journal of Optics. A: Pure Appl. Opt, 8 (2006) 652-656.
  68. Wang, Q.,Farrell, G., Semenova, Y.:"Simulation of Liquid-crystal Devices by the Three-dimensional Full-vector Beam Propagation Method", Journal of Optical Society America, Vol.23, No.8, 2006, pp. 2014-2019.
  69. Panarin, Yu., Antonelli, F., Panarina, O., Semenova, Y., Vij, J., Reihmann, M., Galli,G.. : "Study of the de Vries Phase in New Organosiloxanes by Electrooptical and UV/Vis Spectroscory Measurements", Ferroelectrics, Vol. 310, 2004, pp.111-116.
  70. Semenova, Y., Panarin, Yu., Bubnov, A., Glogarova M., Kaspar M., Hamplova V.: "The Structure-Properties Relations in de Vries SmA Materials", Ferroelectrics, Vol. 311, 2004, pp.11-19.
  71. Semenova, Y., Dovgalets, S., Panarin, Y. and Farrell, G.: "Liquid Crystal based optical switches", Journal of Molecular Crystals and Liquid Crystals, Vol. 413, 2004, pp. 385-398.
  72. Mikityuk, Z., Semenova, Y., Nutskovsky, M., Sushynsky, O.: “Liquid crystal modulator of laser radiation for high-power lasers of infra-red range of spectrum”, Journal of Molecular Crystals and Liquid Crystals, Vol. 317, 1998, pp. 93-97.
  73. Mikityuk, Z., Fechan A., Semenova, Y.: "Light modulation features by cholesteric-nematic transition in nematic-cholesteric liquid crystal mixtures", Opto-Electronics Review, Vol. 5, No. 1, 1997, pp. 47-53.

    Conference Papers

  74. Wang, P., Semenova, Y., Wu, Q., Brambilla, G., Farrell, G.: “Design of an extra-low-loss broadband Y-branch waveguide splitter based on a tapered MMI structure, the 30th Progress In Electromagnetics Research Symposium, Suzhou China, 12th-16th Sep 2011.
  75. Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Farrell, G.: “Chalcogenide microsphere fabricated from fibre taper-drawn using resistive heating”, the 19th Annual International Conference on Composites/Nano Engineering (ICCE-19), Shanghai China, 24th-30th Jul 2011.
  76. Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Zheng, J., Farrell, G.: “The use of 2D and 3D WA-BPM models to analyze total-internal-reflection based integrated optical switches”, International Symposium On Photoelectronic Detection and Imaging 2011, Beijing China, 24th-26th May 2011.
  77. Wang, P., Brambilla, G., Ding, M., Wang, Y., Semenova, Y., Wu, Q., Farrell, G.: “An improved ratiometric wavelength measurement system incorporating fibre comb filters fabricated by CO2 laser irradiation”, 21st International Conference on Optical fiber Sensors , Ottawa, Canada, 15th-19th May 2011.
  78. Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Farrell, G.: “Optimization of an Integrated Wavelength Monitor Device”, SPIE Optics+Optoelectronics 2011, Prague, Czech Republic, 18th-21th April 2011.
  79. Wu, Q., Semenova, Y., Wang, P., Farrell, G.: “The use of a bent singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing”, OFS 2011, Ottawa, Canada.
  80. Mathew, J., Semenova, Y., Rajan, G., Farrell, G.: “Photonic crystal fiber interferometer for dew detection”, Proc. SPIE 7753, 77531P (2011); doi:10.1117/12.885127.
  81. Mathew, J., Semenova, Y., Rajan, G., Farrell, G.: "Agarose coated single mode fiber bend for monitoring humidity", Proc. SPIE 8073, 807317 (2011); doi:10.1117/12.886184.
  82. Rajan, G., Callaghan, D., Semenova, Y., Farrell, G.: "Miniature temperature insensitive fiber optic sensors for minimally invasive surgical devices", OFS-21, 2011, Ottawa, Canada.
  83. Lesiak, P., Rajan, G., Semenova, Y., et al: "Influence of the lamination process on the strain sensitivity of the fiber sensors embedded in composite materials ", OFS-21, 2011, Ottawa, Canada.
  84. Ramakrishnan, M., Rajan, G., Semenova, Y., Lesiak, P., Domanski, A., Wolinski, T. and Farrell, G.: “Design of a flexible electro–optic polymer phase modulator for demodulation of polarimetric sensors”, IOS-2011, Szczyrk, Poland.
  85. Budaszewski, D., Lesiak, P., Plaga, R., Rajan, G., Semenova, Y., Farrell, G., Boczkowska, A., Domanski, A., Wolinski, T.: “Influence of angular orientation of the embedded HB fiber on PMD changes under axial stress”, IOS-2011, Szczyrk, Poland.
  86. Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Zheng, J. and Farrell, G.: “Proposal for a Simple Polarization converter based on Integrated Optical Ion Exchanged Waveguide”, The 9th International Conference on Optical Communications and Networks (ICOCN2010), Nanjing CHINA, 24th-27th Oct 2010.
  87. Wang, P., Semenova, Y., Wu, Q., Farrell, G.: “A macrobending fiber based micro-displacement sensor utilizing whispering-gallery modes”, The International Symposium on Photonics and Optoelectronics (SOPO 2010), Chengdu CHINA, 19th-21st June 2010, Paper No.: 60440.
  88. Ramakrishnan, M., Rajan, G., Semenova, Y., Farrell, G.: "Composite materials with embedded optical fiber sensors for in-situ structural health monitoring ", WICSM, Dublin, Ireland, Sept. 2010.
  89. Ramakrishnan, M., Rajan, G., Semenova, Y., Farrell, G.: "Design of a surface attachable hybrid sensor packaged in polyimide film for engineering applications ", EWOFS, Porto, Portugal, Sept. 2010.
  90. Wang, P., Semenova, Y., Wu, Q., Sun, A., Farrell, G.: “A macrobending fiber based vibration sensor using Whispering Gallery mode”, SPIE Photonics Europe 2010, Brussels, Belgium, 11th-16th April 2010, Proc. of SPIE, Vol. 7726, pp. 772623.
  91. Rajan, G., Mathews, S., Farrell, G., Semenova, Y.: "Characterization of Liquid Crystal coated Photonic Crystal Fiber Interferometers", SPIE Photonics Europe 2010, Brussels, Belgium, 2010, Proc. SPIE, Vol. 7726, 77261U, 2010.
  92. Mathews, S., Farrell, G., Semenova, Y.: "Liquid Crystal Filled Photonic Crystal Fibers for Voltage Sensing Applications", SPIE Photonics Europe 2010, Brussels, Belgium, 2010, Proc. SPIE, Vol. 7726, 77260R, 2010.
  93. Wang, P., Semenova, Y., Wu, Q., Farrell, G.: “Implementation of Fiber Filters Based on a Macrobending High-Bend Loss Fiber Utilizing the Whispering Gallery Mode Effect”, SPIE Defense, Security & Sensing 2010, Orlando USA, 5th-9th Apr 2010, Proc. of SPIE, Vol. 7677, pp. 767725.
  94. Wang, P., Semenova, Y., Wu, Q., Farrell, G.: “A macrobending fiber based micro-displacement sensor utilizing whispering-gallery modes”, 20th International Conference on Optical Fibre Sensors, Edinburgh UK, 5th-9th Oct 2009, Proc. of SPIE, Vol. 7503, pp. 75033O.
  95. Wang, P., Farrell, G., Semenova, Y.: “A high sensitivity temperature sensor based on a macrobending singlemode fiber”, Photonics Ireland 2009, Kinsale IRELAND, 14th-16th Sep 2009.
  96. Bakhvalova, T., Rajan, G., Semenova, Y. and Farrell, G., “A tunable high resolution FBG demodulation system using photonic crystal fiber loop mirrors”, OFS 20, Edinburgh, 5 -9 October 2009.
  97. Mathew, J., Semenova, Y., Rajan, G., Wang, P., Farrell, G., "Polyethylene oxide coated single mode fiber bend for monitoring humidity change, International Conference on Sensors and Related Networks (SENNET'09), VIT University, Vellore, India. Dec. 08-10, 2009, pp.225-228.
  98. Hatta, A. M., Farrell, G., Semenova, Y. and Fernando, H. “Ratiometric wavelength monitor using a pair of symmetrical multimode interference structures based on silicon-on-insulator (SOI)”, SPIE Europe - Microtechnologies, Dresden, Germany, May 2009.
  99. Hatta, A. M., Rajan, G., Farrell, G. and Semenova, Y.: “Ratiometric wavelength monitor based on “X-type spectral response” using two edge filters”, SPIE Europe - Optics+Optoelectronics, Prague, Czech Republic, April 2009.
  100. Rajan. G, Semenova. Y, Farrell. G, “Evaluation of the performance of a novel low-cost macro-bend fiber based temperature sensor,” SPIE Defense, Security and Sensing, Florida, April 2009.
  101. Mathews, S., Semenova, Y., Rajan, G., Farrell, G.: "Experimental demonstration of a Ferroelectric LC Tunable Filter for Fast Demodulation of FBG Sensors.", Proc. SPIE, Vol. 7356, 73561O, 2009.
  102. Mathews, S., Semenova, Y., Rajan, G., Farrell, G.: "Tunable properties of Liquid Crystal Filled Photonic Crystal Fibers.", Proc. SPIE, Vol. 7316, 73161E, 2009.
  103. Mathew, J., Rajan, G., Semenova, Y., Farrell, G, "All Fiber tunable loss filter," Proceedings of SPIE Vol. 7503, 75037G (2009).
  104. Mathew, J., Semenova, Y., Rajan, G., Wang, P.and Farrell, G.: “A humidity sensor based on a bend singlemode fiber”, Proceedings of photonics ireland 2009, 14th to 16th September 2009, Kinsale, Ireland, pp. A66.
  105. Rajan, G., Mathew, J., Semenova, Y., Farrell, G., "Evaluation of the performance of a novel low-cost macro-bend fiber-based temperature sensor," Proceedings of SPIE Vol. 7316, 731610 (2009).
  106. Mathews, S., Semenova, Y., Farrell, G.: “Theoretical modelling of the tunable properties of ferroelectric liquid crystal filled photonic crystal fibers”, Photonics 2008, New Delhi, December 2008.
  107. Rajan, G., Semenova, Y., Farrell, G.: “Applications of macrobend loss in singlemode fibers: FBG interrogator and temperature sensor,” Photonics 2008, New Delhi, December 2008.
  108. Rajan, G., Semenova, Y. and Farrell, G.: "An all-fiber interrogation system for a Bragg grating array", Optics and Photonics 2008 Conference, Edinburgh, 26-29 August 2008.
  109. Wang, P., Semenova, Y. and Farrell, G.: "A Macrobending Singlemode Fiber Based Refractometer: Proposal and Design", Optics and Photonics 2008 Conference, Edinburgh, 26-29 August 2008.
  110. Hatta, A., Farrell, G. and Semenova, Y: "Design of a Multiple MMI Structure for (BIO-) Chemical Sensor Applications", Europtrode Conference IX, Dublin, 30 March-2 April 2008.
  111. Wang, P., Farrell, G., Semenova, Y., Wang, Q., Hatta, A., Rajan, G.: “Accurate theoretical prediction for single- mode fibre macrobending loss and bending induced polarisation dependent loss”, Proceedings of SPIE, 7003 (2008), 70031Y (13 p).
  112. Mathews, S., Semenova, Y., Rajan, G., Farrell, G.: “Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors”, Proceedings of SPIE, 7003 (2008), 70031X (8 p).
  113. Rajan, G., Semenova, Y., Farrell, G., Wang, Q., Wang, P.: “Investigation of the influence of 3dB coupler on ratiometric wavelength measurements”, Proceedings of SPIE, 7003 (2008), 70031U (8 p).
  114. Semenova, Y., Farrell, G., Rajan, G.: “Fabry-Perot liquid crystal tunable filter for interrogation of multiple fibre Bragg grating sensors”, Proceedings of SPIE, 6587 (2007), p.14-22.
  115. Rajan, G., Semenova, Y., Wang, Q., Farrell, G and Wang, P.: "Fibre bend loss ratiometric wavelength demodulation system for an FBG strain sensor", Photonics 2006, Hyderabad, India, 9-11 December 2006
  116. Semenova, Y., Farrell, G., Wang, Q. and Rajan, G.: "Demodulation of Multiple Fibre Bragg Grating Sensors using a Ferroelectric Liquid Crystal Tunable Filter", OSA Optical Fiber Sensing Conference, Mexico, 23-27 October 2006
  117. Wang, Q., Farrell, G., Wang, P., Rajan, G., Semenova, Y. and Freir, T.: "Macrobending Standard Singlemode Fiber and its Novel Application in Optical Sensing", OSA Optical Fiber Sensing Conference, Mexico, 23-27 October 2006
  118. Semenova, Y., Panarin, Y. and Farrell, G.: "High-speed switch for all-optical networks based on a ferroelectric liquid crystal", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-92.
  119. Semenova, Y., Farrell, G., Wang, Q.: “Fast free-space photonic switch based on ferroelectric liquid crystal”, Proceedings of SPIE, 6185 (2006), p.18-25.
  120. Panarin, Yu., Semenova Y., Panarina, O., Antonelli, F., Vij, J., Galli, G., Glogarova, M.: "Structures and properties of de Vries phases", 20th International Liquid Crystal Conference, Ljubljana, Slovenia, July 2004, STR-05.
  121. Bubnov A., Glogarova M., Semenova Y., Panarin, Yu., Kaspar M., Hamplova V.: "Properties of new polar liquid crystalline materials with the keto group and different number of lactate units", Proceedings of SPIE, 5565 (2004), p. 13-18.
  122. Panarin, Yu., Semenova, Y., Panarina, O., Antonelli, F., Vij, J.: "Anomalous temperature behaviour of birefringence and direct SmA-"De Vries SmA" phase transition", 20th International Liquid Crystal Conference, Ljubljana, Slovenia, July 2004, SURF-P091.
  123. Semenova, Y., Panarin, Y. and Farrell, G, "Optical Switches using electro-optical effects in Liquid Crystals", Proceedings of SPIE, 4876 (2003), p.249-259.
  124. Semenova, Y., Lee, S., Panarin, Y. and Farrell, G.: "Total reflection optical switch using a nematic Liquid Crystal", 15th International Conference on Liquid Crystals, Zakopane, Poland, 13-17 Oct. 2003.
  125. Bubnov, A., Semenova, Y., Panarin, Yu., Glogarova, M., Kaspar, M., and Hamplova, V.: "Properties of new polar liquid crystalline materials with the keto group and different number of lactate units", Abstracts of the XVth International Conference on Liquid Crystals (Chemistry, Physics and Applications), Zakopane, Poland, October 2003, A-18.
  126. Panarin, Y., Semenova, Y., Bubnov, A., Glogarova, M., Kaspar, M., and Hamplova, V.: "The structure-properties relations in de Vries materials", Abstracts of the 9th International Conference on Ferroelectric Liquid Crystals, Dublin, August 2003, P-111.
  127. Semenova, Y., Panarin, Y. and Farrell, G.: "Optical switches using electro-optical effects in Liquid Crystals", SPIE Opto-Ireland Conference, Galway, September 2002.
  128. Semenova, Y., Panarin Y., Dovgalets, S., and Farrell, G.: "Liquid crystal based optical matrix switches", Abstracts of the 19th International Liquid Crystal Conference, Edinburgh, UK, 2002, P667.
  129. Gotra, Z., Semenova, Y., Fechan, A., Cherpak, V.: “Liquid crystal modulators of visible and infrared laser radiation”, Proceedings of SPIE, 4425 (2001), p. 460-464.
  130. Mikityuk, Z., Fechan, A., Semenova, Y.: "Critical Indexes of Longitudinal Correlation Length in Induced Cholesterics Having a Smectic Phase", Abstracts of European Conference of Liquid Crystal, Halle, Germany, 2001, P2-28.
  131. Gotra, Z., Semenova, Y., Fechan, A., Cherpak, V.: "Liquid crystal modulators of visible and infra-red laser radiation", Proceedings of SPIE International Conference on Optoelectronic Information Technologies "Photonics ODS", 2000, Vinnitsa, Ukraine, p. 170.
  132. Batbayarin, D., Gotra, Z., Mikityuk, Z., Semenova, Y.: "Display devices on the base of texture transition", Proceedings of the VIth Conference "Technologia electronova ELTE'97", Poland, 1997, p. 108-111.
  133. Batbayarin, D., Gotra, Z., Mikityuk, Z., Semenova, Y.: "New liquid crystal materials for modulators on the base of texture transition", Proceedings of the VIth Conference "Technologia electronova ELTE'97", Poland, 1997, p. 112-115.
  134. Mikityk, Z., Gotra, Z., Fechan, A., Semenova, Y.: "Liquid crystal materials for optoelectronic devices", Proceedings of the 1st International Symposium on Microelectronics, Technologies and Microsystems, Rzeszow, Poland, 1997, p.58-63.
  135. Semenova, Y., Mikityuk, Z., Nutskovsky, M., Fechan, A.: "Induced cholesterics as an active medium for low-frequency light modulators", Proceedings of SPIE, 3015 (1997), p. 181-193.
  136. Mikityuk, Z., Fechan, A., Semenova, Y.: "Liquid crystal material for space-time modulators on the base of cholesteric-nematic transition effect", Proceedings of the VIth International Symposium on Advanced Display Technologies, Crimea, Ukraine, 1997, D-36, p. 72-75.
  137. Mikityuk, Z., Fechan A., Semenova, Y.: "Liquid crystal material for light modulators on the base of cholesteric-nematic phase transition", Proceedings of SPIE, 2651 (1996), p. 196-208.
  138. Vistak, M., Parashchuk, Z., Semenova, Y.: "Induced cholesterics and their application in display devices", Proceedings of ICT 49th Annual Conference, USA, 1996, p. 418-419.
  139. Mikityuk, Z., Fechan, A., Semenova, Y.: "Liquid crystal mixtures for spatial-time light modulators with a memory", Proceedings of ICT 49th Annual Conference, USA, 1996, p. 420-425.
  140. Mikityuk, Z., Semenova, Y., Murakhevich, A.: "Features of X-ray beams diffusion in induced cholesterics", Abstracts of International Scientific Conference, 150 anniversary of I. Puluya, Lviv, Ukraine, 1995, p. 106.
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