Dr. Ginu Rajan Profile

Dr. Ginu Rajan

Research Fellow at Univ of Wollongong

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Author

Publications (24)

Proceedings Article | 28 September 2015 Paper

Simultaneous strain and temperature measurement with enhanced intrinsic sensitivity using etched polymer fibre Bragg gratings

Kishore Bhowmik, Gang-Ding Peng, Yanhua Luo, Eliathamby Ambikairajah, Ginu Rajan

Proceedings Volume 9634, 963480 (2015) https://doi.org/10.1117/12.2194490

KEYWORDS: Fiber Bragg gratings, Polymers, Temperature metrology, Sensors, Etching, Optical fibers, Phase only filters, Polymeric sensors, Fabrication, Structured optical fibers

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Proceedings Article | 1 July 2015 Paper

Polymer fiber Bragg grating force sensors for minimally invasive surgical devices

Ginu Rajan, Sunish Mathews, Dean Callaghan, Gerald Farrell, Gang-Ding Peng

Proceedings Volume 9655, 96551E (2015) https://doi.org/10.1117/12.2184117

KEYWORDS: Sensors, Polymers, Fiber Bragg gratings, Polymeric sensors, Tissues, Calibration, Laparoscopy, Fiber optics sensors, Surgery, Temperature metrology

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Proceedings Article | 2 June 2014 Paper

Carbon fibre-foam sandwich composite laminate embedded with fiber Bragg grating sensors

Ginu Rajan, Evan Darminan, Gang-Ding Peng, Gangadhara Prusty

Proceedings Volume 9157, 91579X (2014) https://doi.org/10.1117/12.2059431

KEYWORDS: Composites, Fiber Bragg gratings, Carbon, Foam, Sensors, Temperature metrology, Free space, Fiber optics sensors, Optical fibers, Manufacturing

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Proceedings Article | 2 June 2014 Paper

Hydrostatic pressure sensitivity of standard polymer fibre Bragg gratings and etched polymer fibre Bragg gratings

Kishore Bhowmik, Ginu Rajan, Eliathamby Ambikairajah, Gang-Ding Peng

Proceedings Volume 9157, 91573G (2014) https://doi.org/10.1117/12.2058658

KEYWORDS: Fiber Bragg gratings, Polymers, Silica, Phase only filters, Optical fibers, Refractive index, Etching, Cladding, Temperature metrology, Sensors

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Proceedings Article | 15 October 2013 Paper

Fabrication and characterization of a polymer micro-fiber Bragg grating

Ginu Rajan, Gang-Ding Peng

Proceedings Volume 8924, 892432 (2013) https://doi.org/10.1117/12.2031013

KEYWORDS: Polymers, Fiber Bragg gratings, Phase only filters, Sensors, Temperature metrology, Reflectivity, Ultraviolet radiation, Polymeric sensors, Silica, Fiber lasers

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Proceedings Article | 7 November 2012 Paper

Comparison of vibration measurements in composite materials using different types of polarimetric sensors

Manjusha Ramakrishnan, Ginu Rajan, Yuliya Semenova, Tomasz Wolinski, Gerald Farrell

Proceedings Volume 8421, 842178 (2012) https://doi.org/10.1117/12.975159

KEYWORDS: Sensors, Polarimetry, Composites, Fiber optics sensors, Vibrometry, Glasses, Polarization, Photonic crystal fibers, Temperature metrology, Environmental sensing

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Proceedings Article | 9 May 2012 Paper

A demodulation scheme for a hybrid fiber sensor system for composite materials

Manjusha Ramakrishnan, Ginu Rajan, Yuliya Semenova, Tomasz Woliński, Gerald Farrell

Proceedings Volume 8439, 843929 (2012) https://doi.org/10.1117/12.922627

KEYWORDS: Fiber Bragg gratings, Sensors, Demodulation, Polarimetry, Channel projecting optics, Fiber optics sensors, Composites, Temperature metrology, Modulators, Electrooptic modulators

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Proceedings Article | 18 May 2011 Paper

Miniature temperature insensitive fiber optic sensors for minimally invasive surgical devices

Ginu Rajan, Dean Callaghan, Yuliya Semenova, Gerald Farrell

Proceedings Volume 7753, 77536Z (2011) https://doi.org/10.1117/12.885091

KEYWORDS: Sensors, Interferometers, Fiber optics sensors, Surgery, Interferometry, Solids, Photonic crystal fibers, Coating, Fabry–Perot interferometers, Fiber Bragg gratings

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Proceedings Article | 17 May 2011 Paper

Influence of the lamination process on the strain sensitivity of the fiber sensors embedded in composite materials

Piotr Lesiak, Ginu Rajan, Yuliya Semenova, Gerald Farrell, Anna Boczkowska, Daniel Budaszewski, Mateusz Szeląg, Andrzej Domański, Tomasz Woliński

Proceedings Volume 7753, 77534Z (2011) https://doi.org/10.1117/12.886063

KEYWORDS: Composites, Fiber optics sensors, Sensors, Polarimetry, Polarization, Fiber Bragg gratings, Temperature metrology, Modulation, Optical fibers, Birefringence

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Proceedings Article | 17 May 2011 Paper

Photonic crystal fiber interferometer for dew detection

Jinesh Mathew, Yuliya Semenova, Ginu Rajan, Gerald Farrell

Proceedings Volume 7753, 77531P (2011) https://doi.org/10.1117/12.885127

KEYWORDS: Directed energy weapons, Humidity, Interferometers, Photonic crystal fibers, Sensors, Fiber optics sensors, Water, Silica, Head, Reflection

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Proceedings Article | 7 May 2011 Paper

Agarose coated single mode fiber bend for monitoring humidity

Jinesh Mathew, Yuliya Semenova, Ginu Rajan, Gerald Farrell

Proceedings Volume 8073, 807317 (2011) https://doi.org/10.1117/12.886184

KEYWORDS: Humidity, Sensors, Refractive index, Cladding, Fiber coatings, Coating, Water, Fiber optics sensors, Single mode fibers, Optical fibers

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Proceedings Article | 9 September 2010 Paper

Design of a surface attachable hybrid fiber sensor packaged in a polyimide film for engineering applications

Manjusha Ramakrishnan, Ginu Rajan, Yuliya Semenova, Gerald Farrell

Proceedings Volume 7653, 76533T (2010) https://doi.org/10.1117/12.866488

KEYWORDS: Sensors, Fiber Bragg gratings, Polarimetry, Fiber optics sensors, Sensing systems, Temperature metrology, Packaging, Polarization, Optical filters, Epoxies

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Proceedings Article | 14 May 2010 Paper

Characterization of liquid crystal coated photonic crystal fiber interferometers

Ginu Rajan, Sunish Mathews, Gerald Farrell, Yuliya Semenova

Proceedings Volume 7726, 77261U (2010) https://doi.org/10.1117/12.854262

KEYWORDS: Interferometers, Liquid crystals, Refractive index, Photonic crystal fibers, Cladding, Silica, Temperature metrology, Coating, Single mode fibers, Biosensing

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Proceedings Article | 5 October 2009 Paper

All Fiber tunable loss filter

Jinesh Mathew, Ginu Rajan, Yuliya Semenova, Gerald Farrell

Proceedings Volume 7503, 75037G (2009) https://doi.org/10.1117/12.835366

KEYWORDS: Tunable filters, Optical filters, Cladding, Refractive index, Structured optical fibers, Single mode fibers, Optical fibers, Linear filtering, Photonics, Fiber couplers

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Proceedings Article | 5 October 2009 Paper

A tunable high resolution FBG demodulation system using photonic crystal fiber loop mirrors

Tatiana Bakhvalova, Ginu Rajan, Yuliya Semenova, Gerald Farrell

Proceedings Volume 7503, 75036Z (2009) https://doi.org/10.1117/12.834145

KEYWORDS: Demodulation, Fiber Bragg gratings, Mirrors, Sensors, Photonic crystal fibers, Optical filters, Telecommunications, Communication engineering, Electronics, Fabrication

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Proceedings Article | 18 May 2009 Paper

Experimental demonstration of a ferroelectric liquid crystal tunable filter for fast demodulation of FBG sensors

Sunish Mathews, Yuliya Semenova, Ginu Rajan, Gerald Farrell

Proceedings Volume 7356, 73561O (2009) https://doi.org/10.1117/12.820629

KEYWORDS: Fiber Bragg gratings, Tunable filters, Sensors, Wave plates, Demodulation, Optical filters, Optical filtering, Ferroelectric LCDs, Sensing systems, Polarization

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Proceedings Article | 18 May 2009 Paper

Ratiometric wavelength monitor based on X-type spectral response using two edge filters

Agus Muhamad Hatta, Ginu Rajan, Gerald Farrell, Yuliya Semenova

Proceedings Volume 7356, 73561N (2009) https://doi.org/10.1117/12.820616

KEYWORDS: Optical filters, Polarization, Structured optical fibers, Signal to noise ratio, Photodetectors, Electronic filtering, Calibration, Multimode fibers, Fiber Bragg gratings, Spectral resolution

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Proceedings Article | 28 April 2009 Paper

Tunable properties of liquid crystal filled photonic crystal fibers

Sunish Mathews, Yuliya Semenova, Ginu Rajan, Gerald Farrell

Proceedings Volume 7316, 73161E (2009) https://doi.org/10.1117/12.820113

KEYWORDS: Photonic crystal fibers, Liquid crystals, Electronics, Refractive index, Ferroelectric LCDs, Cladding, Molecules, Fusion splicing, Solids, Polarizers

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Proceedings Article | 28 April 2009 Paper

Evaluation of the performance of a novel low-cost macro-bend fiber-based temperature sensor

Ginu Rajan, Jinesh Mathew, Yuliya Semenova, Gerald Farrell

Proceedings Volume 7316, 731610 (2009) https://doi.org/10.1117/12.818108

KEYWORDS: Sensors, Temperature metrology, Absorption, Fiber optics sensors, Temperature sensors, Coating, Head, Composites, Cladding, Fiber coatings

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Proceedings Article | 28 April 2008 Paper

Accurate theoretical prediction for single-mode fiber macrobending loss and bending induced polarization dependent loss

Pengfei Wang, Gerald Farrell, Yuliya Semenova, Qian Wang, Agus Muhamad Hatta, Ginu Rajan

Proceedings Volume 7003, 70031Y (2008) https://doi.org/10.1117/12.781282

KEYWORDS: Polarization, Coating, Beam propagation method, 3D modeling, Structured optical fibers, Cladding, Optical filters, Optical testing, Interfaces, Reflection

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Proceedings Article | 28 April 2008 Paper

Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors

Sunish Mathews, Yuliya Semenova, Ginu Rajan, Gerald Farrell

Proceedings Volume 7003, 70031X (2008) https://doi.org/10.1117/12.781209

KEYWORDS: Wave plates, Tunable filters, Optical filters, Fiber Bragg gratings, Liquid crystals, Sensors, Demodulation, Polarization, Crystals, Quartz

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Proceedings Article | 28 April 2008 Paper

Investigation of the influence of 3dB coupler on ratiometric wavelength measurements

Ginu Rajan, Yuliya Semenova, Gerald Farrell, Qian Wang, Pengfei Wang

Proceedings Volume 7003, 70031U (2008) https://doi.org/10.1117/12.781155

KEYWORDS: Polarization, Fiber Bragg gratings, Optical filters, Signal attenuation, Signal to noise ratio, Sensors, Error analysis, Electronic filtering, Photodiodes, Linear filtering

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Proceedings Article | 16 May 2007 Paper

Resolution of ratiometric system for wavelength measurement

Qian Wang, Ginu Rajan, Pengfei Wang, Gerald Farrell

Proceedings Volume 6585, 658509 (2007) https://doi.org/10.1117/12.722492

KEYWORDS: Signal to noise ratio, Photodetectors, Interference (communication), Optical filters, Electronic filtering, Modeling, Calibration, Tunable lasers, Telecommunications, Fiber Bragg gratings

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Proceedings Article | 9 May 2007 Paper

Fabry-Perot liquid crystal tunable filter for interrogation of multiple Fibre Bragg grating sensors

Y. Semenova, G. Farrell, G. Rajan

Proceedings Volume 6587, 658714 (2007) https://doi.org/10.1117/12.722481

KEYWORDS: Fiber Bragg gratings, Sensors, Tunable filters, Liquid crystals, Transmittance, Fabry–Perot interferometers, Optical filters, Refractive index, Reflectivity, Molecules

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Showing 5 of 24 publications

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