Dr. Sharath Umesh Profile

Dr. Sharath Umesh

at Indian Institute of Science

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Author

Publications (14)

Proceedings Article | 15 August 2023 Presentation + Paper

Three-channel space-qualified high-power pulsed fiber laser system for accurate velocity detection in bistatic configuration

Yagya Malik, Lekshmi Rajan, Sharath Umesh, Shubhajit Biswas, Bhavesh Mendheker, Amit Bhardwaj, Nirlesh Singh, Ravikumar Keshavappa, M. Lalithya, K. Lohar, Sanjay Mittal, S. Umesh, V. Lakshmipathi, Elumalai S., K. Sriram

Proceedings Volume 12618, 126180F (2023) https://doi.org/10.1117/12.2670849

KEYWORDS: Signal detection, LIDAR, Fiber lasers, Velocity measurements, Target detection, Laser systems engineering, Oscillators, Heterodyning, Laser interferometry, Collimators

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SPIE Journal Paper | 31 October 2017 Open Access

Bite force measurement based on fiber Bragg grating sensor

Srivani Padma, Sharath Umesh, Sundarrajan Asokan, Talabattula Srinivas

JBO, Vol. 22, Issue 10, 107002, (October 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.10.107002

KEYWORDS: Fiber Bragg gratings, Sensors, Teeth, Measurement devices, Optical fibers, Calibration, Temperature metrology, In vivo imaging, Metals, Refractive index

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SPIE Journal Paper | 7 November 2016 Open Access

Spinal needle force monitoring during lumbar puncture using fiber Bragg grating force device

Shikha Ambastha, Sharath Umesh, Sundaresh Dabir, Sundarrajan Asokan

JBO, Vol. 21, Issue 11, 117002, (November 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.11.117002

KEYWORDS: Fiber Bragg gratings, Tissues, Sensors, Skin, Resistance, Calibration, Bone, Surgery, Optical fibers, Temperature metrology

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SPIE Journal Paper | 22 August 2016 Open Access

Fiber Bragg grating sensor-based communication assistance device

Srivani Padma, Sharath Umesh, Shweta Pant, Talabattula Srinivas, Sundarrajan Asokan

JBO, Vol. 21, Issue 08, 086012, (August 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.8.086012

KEYWORDS: Fiber Bragg gratings, Sensors, Brain, Eyeglasses, Optical communications, Lithium, Brain-machine interfaces, Signal processing, Electrodes, Data acquisition

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Proceedings Article | 16 March 2016 Paper

Fiber Bragg grating based tunable sensitivity goniometer

Srivani Padma, Sharath Umesh, Shweta Pant, Talabattula Srinivas, Sundarrajan Asokan

Proceedings Volume 9754, 97541A (2016) https://doi.org/10.1117/12.2212400

KEYWORDS: Fiber Bragg gratings, Sensors, Photonic devices, Fiber optics sensors, Dynamical systems, Motion measurement, Multiplexing, Ultrafast phenomena

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Proceedings Article | 17 July 2015 Paper

Non-invasive pressure monitoring by hoop strain using fiber Bragg grating sensor

Shikha , Sharath Umesh, Asokan Sundarrajan

Proceedings Volume 9524, 95242D (2015) https://doi.org/10.1117/12.2189663

KEYWORDS: Fiber Bragg gratings, Sensors, Optical fibers, Photonics, Refractive index, Multiplexing, Safety, Ultraviolet radiation, Temperature metrology, Control systems

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SPIE Journal Paper | 28 May 2015 Open Access

Pulse transit time differential measurement by fiber Bragg grating pulse recorder

Sharath Umesh, Srivani Goggi, Shikha Ambastha, Anand Kalegowda, Sundarrajan Asokan

JBO, Vol. 20, Issue 05, 057005, (May 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.5.057005

KEYWORDS: Blood pressure, Fiber Bragg gratings, Arteries, Sensors, Time metrology, Doppler effect, Ultrasonography, Data acquisition, Silicon, Heart

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SPIE Journal Paper | 26 June 2013 Open Access

Blood pressure evaluation using sphygmomanometry assisted by arterial pulse waveform detection by fiber Bragg grating pulse device

Umesh Sharath, Raju Sukreet, Girish Apoorva, Sundarrajan Asokan

JBO, Vol. 18, Issue 06, 067010, (June 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.6.067010

KEYWORDS: Blood pressure, Fiber Bragg gratings, Arteries, Sensors, Mercury, Blood circulation, Acoustics, Silicon, Temperature metrology, Algorithm development

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Proceedings Article | 21 June 2007 Paper

Fluctuations in speech

Srinivasan Umesh, Leon Cohen, Douglas Nelson

Proceedings Volume 6602, 66020G (2007) https://doi.org/10.1117/12.726586

KEYWORDS: Californium, Acoustics, Defense and security, Fourier transforms, Biomedical optics, Lead, Solids, Atrial fibrillation

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Proceedings Article | 5 December 2001 Paper

Further experimental results on the speech-hearing connection

S. Umesh, Douglas Nelson, Leon Cohen

Proceedings Volume 4478, (2001) https://doi.org/10.1117/12.449700

KEYWORDS: Databases, Composites, Fourier transforms, Defense and security, Physics, Transmitters, Receivers, Associative arrays, Computer programming, Ear

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Proceedings Article | 4 December 2000 Paper

High-resolution formant estimation and its application in frequency scaling of speech

Douglas Nelson, S. Umesh, Leon Cohen

Proceedings Volume 4119, (2000) https://doi.org/10.1117/12.408613

KEYWORDS: Fourier transforms, Electronic filtering, Statistical analysis, Error analysis, Defense and security, Physics, Wavelets, Signal processing, Image processing, Factor analysis

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Proceedings Article | 26 October 1999 Paper

Scale-transform-based features for application in speech recognition

S. Umesh, Leon Cohen, Douglas Nelson

Proceedings Volume 3813, (1999) https://doi.org/10.1117/12.366828

KEYWORDS: Speech recognition, Fourier transforms, Factor analysis, Signal processing, Chlorine, Defense and security, Wavelets, Image processing, Performance modeling, Ear

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Proceedings Article | 19 October 1998 Paper

Warping functions in speech

S. Umesh, Leon Cohen, Douglas Nelson

Proceedings Volume 3458, (1998) https://doi.org/10.1117/12.328137

KEYWORDS: Fermium, Frequency modulation, Transform theory, Fourier transforms, Receivers, Signal to noise ratio, Ear, Signal analyzers, Filtering (signal processing), Acoustics

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Proceedings Article | 14 October 1997 Paper

Global and local translation and magnification

S. Umesh, Aibing Rao, Gabriel Cristobal, Leon Cohen, Jos van Deemter

Proceedings Volume 3167, (1997) https://doi.org/10.1117/12.290274

KEYWORDS: Fourier transforms

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Showing 5 of 14 publications

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