Prof. Sai Shankar Madhuvarasu Profile

Prof. Sai Shankar Madhuvarasu

Associate Professor at National Institute of Technology Warangal

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 1 April 2020 Presentation + Paper

Interrogation of SMS for measuring of temperature and strain using half-etched FBG with enhanced sensitivity

Koustav Dey, V. D. Pavan, Sourabh Roy, Sai Shankar M., B. Ramesh

Proceedings Volume 11355, 113550Z (2020) https://doi.org/10.1117/12.2555327

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Sensors, Etching, Fiber optics sensors, Cladding, Fabrication, Multimode fibers, Fusion splicing, Remote sensing

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SPIE Journal Paper | 2 January 2018

Stimulus responsive hydrogel-coated etched fiber Bragg grating for carcinogenic chromium (VI) sensing

Pabbisetti Vayu Nandana Kishore, Sai Shankar Madhuvarasu, Satyanarayana Moru

OE, Vol. 57, Issue 01, 017101, (January 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.1.017101

KEYWORDS: Fiber Bragg gratings, Chromium, Sensors, Ions, Metals, Cladding, Polymers, Biological and chemical sensing, Optical engineering, Optical resolution

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Proceedings Article | 18 April 2017 Paper

pH-responsive hydrogel coated fiber Bragg grating-based chemo mechanical sensor bioreactor applications

V. N. Kishore P., Sai Shankar M.

Proceedings Volume 10251, 1025120 (2017) https://doi.org/10.1117/12.2270474

KEYWORDS: Fiber Bragg gratings, Mechanical sensors, Sensors, Fiber optics sensors, Ions, Chemical analysis, Water, Refractive index, Biological research, Fiber coatings

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SPIE Journal Paper | 20 June 2016

Hydrogel-coated fiber Bragg grating sensor for pH monitoring

Vayu Nandana Kishore Pabbisetti, Sai Shankar Madhuvarasu

OE, Vol. 55, Issue 06, 066112, (June 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.6.066112

KEYWORDS: Fiber Bragg gratings, Sensors, Fiber optics sensors, Ions, Refractive index, Biological and chemical sensing, Optical engineering, Polymers, Chemical analysis, Water

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Proceedings Article | 29 April 2016 Paper

Dual POF and prism sensor for liquid concentration measurement based on hysteresis area

P. V. N. Kishore, Nishath Ashfak Shaikh, Sourabh Roy, M. Sai Shankar, Putha Kishore

Proceedings Volume 9899, 989921 (2016) https://doi.org/10.1117/12.2226022

KEYWORDS: Sensors, Liquids, Prisms, Fiber optics sensors, Refractive index, Polymer optical fibers, Fiber optics sensors, Water, Modulation, Fiber optics

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Proceedings Article | 29 April 2016 Paper

Hydrogel coated fiber Bragg grating based chromium sensor

P. V. N. Kishore, Sai Shankar Madhuvarasu, Kishore Putha, Satyanarayana Moru, K. Vengatajalabathy Gobi

Proceedings Volume 9899, 98991B (2016) https://doi.org/10.1117/12.2225515

KEYWORDS: Fiber optics sensors, Fiber Bragg gratings, Chromium, Ions, Metals, Environmental sensing, Fiber optics sensors, Biological and chemical sensing, Optical sensing, Sensors, Fiber optics, Coating, Refractive index, Optical fibers, Ultraviolet radiation

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SPIE Journal Paper | 11 September 2015

Fiber Bragg grating–based hydraulic pressure sensor with enhanced resolution

Vengal Rao Pachava, Srimannarayana Kamineni, Sai Shankar Madhuvarasu, Venkata Reddy Mamidi

OE, Vol. 54, Issue 09, 096104, (September 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.9.096104

KEYWORDS: Fiber Bragg gratings, Sensors, Resolution enhancement technologies, Optical resolution, Structured optical fibers, Head, Optical filters, Signal detection, Metals, Optical fibers

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Proceedings Article | 26 August 2015 Paper

Design and development of a high sensitive low cost fiber optic refractometer

V. N. Kishore P., Sai Shankar M., Vengal Rao P.

Proceedings Volume 9586, 95860A (2015) https://doi.org/10.1117/12.2189436

KEYWORDS: Sensors, Refractive index, Fiber optics sensors, Fiber optics, Head, Liquids, Single mode fibers, Cladding, Etching, Industrial chemicals

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Proceedings Article | 26 August 2015 Paper

Design and development of high-temperature sensor using FBG

Venkata Reddy M., Srimannarayana K., V. Apparao T., Sai Shankar M.

Proceedings Volume 9586, 95860I (2015) https://doi.org/10.1117/12.2188215

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Ceramics, Transducers, Silicon carbide, Fiber optics sensors, Temperature sensors, Optical design, Environmental sensing

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SPIE Journal Paper | 13 May 2015

High-temperature measurement using fiber Bragg grating sensor accompanied by a low-cost detection system

Venkata Reddy Mamidi, Srimannarayana Kamineni, L. N. Sai Prasad Ravinuthala, Manohar Martha, Sai Shankar Madhuvarasu, Venkatappa Rao Thumu

JARS, Vol. 9, Issue 01, 094098, (May 2015) https://doi.org/10.1117/12.10.1117/1.JRS.9.094098

KEYWORDS: Sensors, Fiber Bragg gratings, LCDs, Temperature metrology, Field programmable gate arrays, Modulation, Photography, Optical amplifiers, Fiber amplifiers, Fiber optics sensors

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Proceedings Article | 5 May 2015 Paper

FBG based novel sensor design for low vacuum measurement with high sensitivity

Vengal Rao Pachava, Srimannarayana Kamineni, Sai Shankar Madhuvarasu, Venkata Reddy Mamidi

Proceedings Volume 9506, 95061K (2015) https://doi.org/10.1117/12.2182406

KEYWORDS: Fiber Bragg gratings, Sensors, Mercury, Metals, Fiber optics sensors, Head, Optical fibers, Liquids, Electromagnetic coupling, Temperature metrology

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Proceedings Article | 15 May 2014 Paper

FBG sensor for temperature-independent high sensitive pressure measurement with aid of a Bourdon tube

K. Srimannarayana, P. Vengal Rao, M. Sai Shankar, P. Kishore

Proceedings Volume 9141, 91412E (2014) https://doi.org/10.1117/12.2052908

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Head, Optical fibers, Sensing systems, Liquids, Fiber optics sensors, Photography, Multiplexing

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Proceedings Article | 18 September 2013 Paper

High sensitive FBG pressure sensor using metal bellows

P. Vengal Rao, K. Srimannarayana, M. Sai Shankar, P. Kishore

Proceedings Volume 8836, 88360D (2013) https://doi.org/10.1117/12.2024262

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Sensors, Metals, Fiber optics sensors, Head, Refractive index, Optical fibers, Gas sensors, Liquids

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Proceedings Article | 22 June 2013 Paper

Diaphragm based high sensitive FBG pressure sensor

Vengal Rao P., Srimannarayana K., Sai Shankar M., Kishore P.

Proceedings Volume 8769, 876927 (2013) https://doi.org/10.1117/12.2021101

KEYWORDS: Fiber Bragg gratings, Sensors, Metals, Head, Polymers, Optical fibers, Liquids, Fiber optics sensors, Polymeric sensors, Transducers

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Proceedings Article | 22 June 2013 Paper

Hydrostatic pressure based liquid level sensing using FBG: a comparative study

Sengupta D., Sai Shankar M., Srimannarayana K.

Proceedings Volume 8769, 87691X (2013) https://doi.org/10.1117/12.2021238

KEYWORDS: Fiber Bragg gratings, Sensors, Liquids, Head, Silicon, Fiber optics sensors, Refractive index, Optical fibers, Fiber optics, Fiber optics tests

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Proceedings Article | 22 June 2013 Paper

Fiber optic liquid level sensor using multimode fused coupler

Sengupta D., Sai Shankar M., Srimannarayana K., Sai Prasad R. L. N.

Proceedings Volume 8769, 87692A (2013) https://doi.org/10.1117/12.2021239

KEYWORDS: Content addressable memory, Sensors, Liquids, Fiber optics sensors, Reflectors, Fiber optics, Head, Fiber couplers, Fiber optics tests, Mechanical sensors

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Proceedings Article | 29 May 2013 Paper

Single fiber Bragg grating for the measurement of liquid level and temperature

K. Srimannarayana, D. Sengupta, M. Sai Shankar

Proceedings Volume 8722, 87220O (2013) https://doi.org/10.1117/12.2018566

KEYWORDS: Fiber Bragg gratings, Liquids, Temperature metrology, Sensors, Wet etching, Optical fibers, Environmental sensing, Head, Industrial chemicals, Mechanical sensors

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Proceedings Article | 9 May 2012 Paper

An etched fiber optic vibration sensor to monitor the simply supported beam

Kishore Putha, Dantala Dinakar, Pachava Rao, Dipankar Sengupta, K. Srimannarayana, M. Sai Shankar

Proceedings Volume 8439, 84392F (2012) https://doi.org/10.1117/12.922176

KEYWORDS: Sensors, Fiber optics sensors, Fiber Bragg gratings, Fiber optics, Fiber amplifiers, Optical amplifiers, Data acquisition, Telecommunications, Cladding, Single mode fibers

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Proceedings Article | 9 May 2012 Paper

Development of high sensitivity pressure sensor using reduced clad FBG

P. Vengal Rao, K. Srimannarayana, P. Kishore, M. Sai Shankar, D. Sengupta, P. Saidi Reddy

Proceedings Volume 8439, 84392G (2012) https://doi.org/10.1117/12.922160

KEYWORDS: Sensors, Fiber Bragg gratings, Polymers, Head, Silicon, Cladding, Polymeric sensors, Metals, Spectrum analysis, Optical fibers

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Proceedings Article | 26 April 2012 Paper

An FBG based hydrostatic pressure sensor for liquid level measurements

D. Sengupta, M. Sai Shankar, P. Saidi Reddy, R. L. Sai Prasad, K. Srimannarayana

Proceedings Volume 8426, 84260C (2012) https://doi.org/10.1117/12.922164

KEYWORDS: Liquids, Sensors, Fiber Bragg gratings, Head, Temperature metrology, Silicon, Metals, Fiber optics sensors, Optical fibers, Electromagnetic coupling

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Proceedings Article | 29 November 2011 Paper

Non-contact vibration sensor using bifurcated bundle glass fiber for real-time monitoring

K. Putha, D. Dinakar, M. Sai Shankar, K. Srimannarayana, P. Vengal Rao, D. Sengupta, P. Saidi Reddy

Proceedings Volume 8311, 83110P (2011) https://doi.org/10.1117/12.904566

KEYWORDS: Sensors, Fiber optics sensors, Glasses, Infrared sensors, Rutherfordium, Head, Oscilloscopes, Environmental sensing, Stray light, Reflectivity

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Proceedings Article | 29 November 2011 Paper

Temperature compensated liquid level sensor using FBGs and a Bourdon tube

D. Sengupta, M. Sai Shankar, P. Vengal Rao, P. Saidi Reddy, R. L. Sai Prasad, P. Kishore, K. Srimannarayana

Proceedings Volume 8311, 83110R (2011) https://doi.org/10.1117/12.905702

KEYWORDS: Fiber Bragg gratings, Sensors, Liquids, Temperature metrology, Head, Environmental sensing, Fiber optics sensors, Optical fibers, Light sources, Spectrum analysis

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SPIE Journal Paper | 1 November 2011

Encapsulated fiber Bragg grating sensor for high temperature measurements

Parne Saidi Reddy, Ravinuthala Lakshmi Sai Prasad, Dipankar Sen Gupta, Madhuvarasu Sai Shankar, Kamineni Narayana, Putha Kishore

OE, Vol. 50, Issue 11, 114401, (November 2011) https://doi.org/10.1117/12.10.1117/1.3644534

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Hydrogen, Environmental sensing, Optical fibers, Glasses, Electro optical modeling, Optical engineering, Fiber optics sensors

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Proceedings Article | 26 July 2011 Paper

An encapsulated fiber optic fuel level sensor

D. Sengupta, M. Sai Shankar, P. Saidi Reddy, R. L. N. Sai Prasad, K. Kamineni, P. Kishore

Proceedings Volume 8001, 80013Y (2011) https://doi.org/10.1117/12.892011

KEYWORDS: Content addressable memory, Sensors, Liquids, Fiber optics sensors, Head, Reflectors, Fiber optics, Optical fibers, Stray light, Modulation

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Showing 5 of 24 publications

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