Prof. Ananth Selvarajan Profile

Prof. Ananth Selvarajan

Emeritus Fellow at Indian Institute of Science

SPIE Involvement:

Author

Publications (35)

SPIE Journal Paper | 1 October 2006

Design and analysis of an intensity modulated micro-opto-electro-mechanical accelerometer based on nonuniform cantilever beam proof mass

Jagannath Nayak, Srinivas Talabattula, Ananth Selvarajan, D. V. K. Sastry

JM3, Vol. 5, Issue 04, 043012, (October 2006) https://doi.org/10.1117/12.10.1117/1.2397045

KEYWORDS: Waveguides, Modulation, Microopto electromechanical systems, Sensors, Electronics, Polarization, Sun, Mathematical modeling, Mechanical sensors, Microelectromechanical systems

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Proceedings Article | 31 March 2006 Paper

A comparative study of MOEM pressure sensors using MZI, DC, and racetrack resonator IO structures

T. Badrinarayana, A. Selvarajan, Prasant Kumar Pattnaik, T. Srinivas

Proceedings Volume 6172, 61721A (2006) https://doi.org/10.1117/12.659822

KEYWORDS: Sensors, Microopto electromechanical systems, Waveguides, Resonators, Microelectromechanical systems, Integrated optics, Refractive index, Directional couplers, Resistance, Information operations

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Proceedings Article | 16 May 2005 Paper

Analysis of a nonuniform cantilever beam MOEM accelerometer under closed loop operation

A. Selvarajan, D. Sastry, Jagannath Nayak, T. Srinivas

Proceedings Volume 5763, (2005) https://doi.org/10.1117/12.602707

KEYWORDS: Microopto electromechanical systems, Electrodes, Signal detection, Silicon, Phase shift keying, Phase modulation, Waveguides, Sensors, Microelectromechanical systems, Feedback control

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Proceedings Article | 29 July 2004 Paper

Capabilities and limitations of micro-opto-electro-mechnical (MOEM) accelerometers: an analysis

Jagannath Nayak, Ananth Selvarajan, D. V. K. Sastry, Talabuttala Srinivas

Proceedings Volume 5389, (2004) https://doi.org/10.1117/12.546460

KEYWORDS: Microopto electromechanical systems, Waveguides, Modulation, Refractive index, Microelectromechanical systems, Electronics, Sun, Sensors, Interferometry, Silicon

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Proceedings Article | 14 October 2003 Paper

MEMS and photonics technologies for structural health monitoring

Ananth Selvarajan

Proceedings Volume 5062, (2003) https://doi.org/10.1117/12.514827

KEYWORDS: Sensors, Structural health monitoring, Fiber Bragg gratings, Microelectromechanical systems, Photonics, Waveguides, Fiber optics sensors, Telecommunications, Optical fibers, Refractive index

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Proceedings Article | 14 October 2003 Paper

Design and analysis of micro-opto-electro-mechanical accelerometer

Jagannath Nayak, D. V. K. Sastry, M. Unnikrishanan, Talabuttala Srinivas, Ananth Selvarajan

Proceedings Volume 5062, (2003) https://doi.org/10.1117/12.514906

KEYWORDS: Sensors, Bridges, Waveguides, Refractive index, Integrated optics, Microopto electromechanical systems, Phase shifts, Interferometers, Silicon, Microelectromechanical systems

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Proceedings Article | 22 July 2003 Open Access

Noise: How important is it in the applications of MEMS and MOEMS?

Ananth Selvarajan

Proceedings Volume 5055, (2003) https://doi.org/10.1117/12.510389

KEYWORDS: Sensors, Signal to noise ratio, Microelectromechanical systems, Microopto electromechanical systems, Waveguides, Silicon, Integrated optics, Fabry–Perot interferometers, Resistance, Geometrical optics

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Proceedings Article | 17 February 2003 Paper

Novel interrogation system for fiber Bragg grating sensor array

Ananth Selvarajan, V Kumar, T Kumar, Talabuttala Srinivas, T Madan

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.473926

KEYWORDS: Sensors, Fiber Bragg gratings, Composites, Optical design, Fiber optics sensors, Mach-Zehnder interferometers, Optical filters, Sensing systems, Interferometers, Structural health monitoring

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Proceedings Article | 15 December 2000 Paper

Analysis of integrated optical directional coupler array architecture for optical computing

Ananth Selvarajan, D. Anil kumar, Talabuttala Srinivas

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406377

KEYWORDS: Directional couplers, Computer architecture, Integrated optics, Switches, Optical arrays, Optical computing, Waveguides, Electro optics, Error analysis, Electrodes

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Proceedings Article | 15 December 2000 Paper

Design of photonic true-time-delay networks for radar application

K. Swaminathan, Talabuttala Srinivas, Ananth Selvarajan

Proceedings Volume 4087, (2000) https://doi.org/10.1117/12.406404

KEYWORDS: Waveguides, Integrated optics, Error analysis, Beam steering, Antennas, Directional couplers, Switches, Radar, Switching, Beam propagation method

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Proceedings Article | 21 June 2000 Paper

Micro-opto-electro-mechanical (MOEM) vibration sensor

Vishwa Gupta, Prasant Pattnaik, Talabuttala Srinivas, Ananth Selvarajan

Proceedings Volume 3990, (2000) https://doi.org/10.1117/12.388925

KEYWORDS: Waveguides, Sensors, Directional couplers, Refractive index, Microopto electromechanical systems, Silicon, Sol-gels, Integrated optics, Smart structures, Optical simulations

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Proceedings Article | 21 June 2000 Paper

Photosensitive sol-gel waveguides on silicon substrates as MOEM devices

A. Anil Kumar, Talabuttala Srinivas, D. Anil kumar, Gopalkrishna Hegde, Ananth Selvarajan

Proceedings Volume 3990, (2000) https://doi.org/10.1117/12.388922

KEYWORDS: Waveguides, Sol-gels, Silicon, Cerium, Fiber Bragg gratings, Erbium, Refractive index, Germanium, Microelectromechanical systems, Planar waveguides

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Proceedings Article | 11 November 1999 Paper

External-cavity semiconductor laser sensor

Gopalkrishna Hegde, O. Quan, Ananth Selvarajan, L. Lan, Y. Seng, J. Wah, Andrew Sabaratnam

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369369

KEYWORDS: Sensors, Semiconductor lasers, Reflectors, Magnetism, Modulation, Magnetic sensors, Temperature metrology, Ferroelectric materials, Nickel, Optical sensors

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Proceedings Article | 11 November 1999 Paper

Approach to analysis and measurement of large-array Bragg grating sensors

Indu Das, Ananth Selvarajan, Talabuttala Srinivas

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369344

KEYWORDS: Reflectivity, Fiber Bragg gratings, Sensors, Smart structures, Distortion, Communication engineering, Structural engineering, Multiplexing, Optical testing

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Proceedings Article | 11 November 1999 Paper

Analysis of Mach-Zehnder interferometric micro-opto-electro-mechanical (MOEM) pressure sensor

T. Badri Narayana, Talabuttala Srinivas, Prasant Pattnaik, Ananth Selvarajan

Proceedings Volume 3897, (1999) https://doi.org/10.1117/12.369328

KEYWORDS: Sensors, Refractive index, Microopto electromechanical systems, Integrated optics, Silicon, Waveguides, Interferometry, Mach-Zehnder interferometers, Interferometers, Micromachining

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Proceedings Article | 20 July 1999 Paper

Noise analysis and a comparative study of noise in MEMS and MOEMS

S. Anand, Ananth Selvarajan

Proceedings Volume 3673, (1999) https://doi.org/10.1117/12.354293

KEYWORDS: Sensors, Signal to noise ratio, Microopto electromechanical systems, Microelectromechanical systems, Signal processing, Mirrors, Interferometry, Micro optics, Capacitance, Silicon

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Proceedings Article | 20 July 1999 Paper

Analysis of coupled diaphragms using coupled-mode theory

Ananth Selvarajan, S. Anand, Talabuttala Srinivas

Proceedings Volume 3673, (1999) https://doi.org/10.1117/12.354274

KEYWORDS: Sensors, Superposition, Silicon, Waveguides, Composites, Microelectromechanical systems, Electronics, Control systems, Micromachining, Biological research

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Proceedings Article | 4 December 1998 Paper

Fabrication of rare-earth doped sol-gel based composite planar optical waveguides on glass

Talabuttala Srinivas, Ananth Selvarajan, M. Joseph, S. Natarajan

Proceedings Volume 3491, (1998) https://doi.org/10.1117/12.328757

KEYWORDS: Waveguides, Sol-gels, Composites, Glasses, Neodymium, Planar waveguides, Coating, Ions, Erbium, Prisms

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Proceedings Article | 9 October 1998 Paper

Effects of detuning and dispersion on the dynamics of FM mode-locked Ti:sapphire laser

Anand Ramamurthi, Ananth Selvarajan

Proceedings Volume 3418, (1998) https://doi.org/10.1117/12.326644

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Proceedings Article | 23 September 1998 Paper

Analysis of gain characteristics of Nd-doped sol-gel-based waveguide amplifier

Ananth Selvarajan, S. Natarajan, Talabuttala Srinivas

Proceedings Volume 3424, (1998) https://doi.org/10.1117/12.323751

KEYWORDS: Waveguides, Absorption, Dispersion, Wave propagation, Optical amplifiers, Glasses, Sol-gels, Refractive index, Integrated optics, Radio propagation

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Proceedings Article | 16 April 1998 Paper

Applications of optical techniques in smart structures: an overview

Ananth Selvarajan

Proceedings Volume 3321, (1998) https://doi.org/10.1117/12.305575

KEYWORDS: Sensors, Smart structures, Optical signal processing, Fiber optics sensors, Signal processing, Thermography, Integrated optics, Composites, Neural networks, Environmental sensing

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Proceedings Article | 15 April 1998 Paper

Amplification of light in sol-gel-based Nd-glass waveguides

S. Natarajan, M. Muthuraman, Anand Ramamurthi, Ananth Selvarajan, K. Patil

Proceedings Volume 3280, (1998) https://doi.org/10.1117/12.305397

KEYWORDS: Waveguides, Neodymium, Absorption, Glasses, Sol-gels, Ions, Refractive index, Integrated optics, Planar waveguides, Optical amplifiers

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Proceedings Article | 2 January 1998 Paper

Bounds on optimal wavelength assignment with and without wavelength changers

Kumar Sivarajan, M. Rajesh, Ananth Selvarajan

Proceedings Volume 3211, (1998) https://doi.org/10.1117/12.345579

KEYWORDS: Optical networks

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Proceedings Article | 2 January 1998 Paper

Noise sources in fiber optic rotation sensors: system analysis

Ananth Selvarajan, Jagannath Nayak, P. Banerjee

Proceedings Volume 3211, (1998) https://doi.org/10.1117/12.345571

KEYWORDS: Fiber optics sensors, Fiber optics, Sensors, Polarization, Kerr effect, Resistance, Scattering, Optical fibers, Electronics, Statistical analysis

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Proceedings Article | 14 November 1997 Paper

Analysis of fiber Bragg grating sensors in smart structures

Ananth Selvarajan, Indu Das, Talabuttala Srinivas

Proceedings Volume 3241, (1997) https://doi.org/10.1117/12.293508

KEYWORDS: Reflectivity, Fiber Bragg gratings, Sensors, Smart structures, Refractive index, Optical fibers, Cladding, Optical filters, Fiber optics sensors, Differential equations

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Proceedings Article | 30 September 1996 Paper

Growth and characterization of single-crystal cored fibers of organic nonlinear optical materials

Kalidhindi Varma, Ananth Selvarajan

Proceedings Volume 2851, (1996) https://doi.org/10.1117/12.251835

KEYWORDS: Optical fibers, Crystals, Single crystal X-ray diffraction, Second-harmonic generation, Capillaries, Crystallography, Semiconductor lasers, Nonlinear crystals, Nonlinear optical materials, Organic materials

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SPIE Journal Paper | 1 April 1993

Analysis of the evanescent field coupling between a fiber and a planar waveguide using the explicit finite difference method with a nonuniform mesh

R. Mahendra Prabhu, Ananth Selvarajan

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.61290

KEYWORDS: Waveguides, Planar waveguides, Beam propagation method, Refractive index, Fiber couplers, Ion exchange, Wave propagation, Ions, Finite difference methods, Light wave propagation

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SPIE Journal Paper | 1 April 1993 Open Access

Guest Editorial: Emerging Optoelectronic Technologies

Vijai Tripathi, Govind Agrawal, Ananth Selvarajan

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.147373

KEYWORDS: Optoelectronics, Computer engineering, Optoelectronic devices, Photonic integrated circuits, Electronics, Physics, Nonlinear optics, Fiber optics, Optical communications, Electrochemical etching

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SPIE Journal Paper | 1 April 1993

Laser patterning system for integrated optics and storage applications

Mahadev Lad, Goureesh Naik, Ananth Selvarajan

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.61289

KEYWORDS: Polymers, Integrated optics, Laser systems engineering, Holography, Waveguides, Laser applications, System integration, Data storage, Optical lithography, Lithography

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