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Education/Academic qualification

Aeronautics, Minor in Materials Science, PhD, California Institute of Technology

… → 1989

Aeronautics, MS, California Institute of Technology

… → 1984

Aeronautics, BTech, Indian Institute of Technology

… → 1983

Fingerprint Fingerprint is based on mining the text of the experts' scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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ultrasonics Physics & Astronomy
Ultrasonics Engineering & Materials Science
sensors Physics & Astronomy
Fiber Bragg gratings Engineering & Materials Science
fibers Physics & Astronomy
Sensors Engineering & Materials Science
Lasers Engineering & Materials Science
Interferometry Engineering & Materials Science

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Grants 2003 2021

Photons
Fabrication
Lasers
Structural health monitoring
Photolithography
Structural health monitoring
Photonics
Sensors
Fiber optic sensors
Optical fibers
Photonics
Engines
Fabrication
Structural health monitoring
Lithography
circuit boards
photonics
fibers
Bragg gratings
interferometers

Research Output 1989 2019

3D Printing of Micro-Optic Spiral Phase Plates for the Generation of Optical Vortex Beams

Wei, H., Amrithanath, A. K. & Krishnaswamy, S., Apr 15 2019, In : IEEE Photonics Technology Letters. 31, 8, p. 599-602 4 p., 8660645.

Research output: Contribution to journalArticle

Microoptics
printing
Printing
Vortex flow
optics

Direct laser writing of smart polymer photonic devices for ultrasound detection

Wei, H., Amrithanath, A. K. & Krishnaswamy, S., Jan 1 2019, Smart Photonic and Optoelectronic Integrated Circuits XXI. He, S., Lee, E-H. & He, S. (eds.). SPIE, 109220F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10922).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photonic devices
Ultrasound
Photonics
Polymers
Ultrasonics

Functionalized fiber-optic long-period grating with reduced cladding size for humidity sensing

Wei, H., Tan, C. L., Amrithanath, A. K. & Krishnaswamy, S., Mar 1 2019, In : Optical Engineering. 58, 3, 037105.

Research output: Contribution to journalArticle

Fiber optics
humidity
fiber optics
Atmospheric humidity
gratings

Multi-wavelength erbium-doped fiber ring lasers based on an optical fiber tip interferometer

Wei, H., Amrithanath, A. K. & Krishnaswamy, S., Jan 1 2019, Optical Components and Materials XVI. Digonnet, M. J. F. & Jiang, S. (eds.). SPIE, 1091420. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10914).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Erbium
Erbium-doped Fiber
Ring lasers
ring lasers
Fiber lasers
1 Citation (Scopus)
Ultrasonic reflection
roughness
ultrasonics
Surface roughness
reflectance