Grants per year
Personal profile
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
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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
Network
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Grants 2003 2021
Multiscale Fabrication via Multiphoton Direct Laser Writing
8/1/18 → 7/31/21
Project: Research project
Photons
Fabrication
Lasers
Structural health monitoring
Photolithography
Photonics
Engines
Fabrication
Structural health monitoring
Lithography
Mesoscale Integrated Photonic Systems for Structural Health Monitoring
9/1/16 → 8/31/19
Project: Research project
Structural health monitoring
Photonics
Sensors
Fiber optic sensors
Optical fibers
Photonic Integration Through 3D Printed Photonic Circuit Boards
8/15/15 → 8/14/16
Project: Research project
circuit boards
photonics
fibers
Bragg gratings
interferometers
Fundamental Performance Limits of Adaptive Two Wave Mixing Spectral and Phase Demodulator Systems for Fiber Optic Dynamic Strain Sensors
2/12/15 → 4/30/17
Project: Research project
Demodulators
Fiber optics
Health
Structural integrity
Demodulation
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 journal › Article
Microoptics
printing
Printing
Vortex flow
optics
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 journal › Article
Fiber optics
humidity
fiber optics
Atmospheric humidity
gratings
Quantitative characterization of the interfacial roughness and thickness of inhomogeneous coatings based on ultrasonic reflection coefficient phase spectrum
Ma, Z., Luo, Z., Lin, L., Krishnaswamy, S. & Lei, M., Mar 1 2019, In : NDT and E International. 102, p. 16-25 10 p.Research output: Contribution to journal › Article
Ultrasonic reflection
roughness
ultrasonics
Surface roughness
reflectance
DNT detection using microspheres coated with NaYF4-Yb3+,Er3+-nanocrystals functionalized with PAA/PAH layers
Amrithanath, A. K., Wei, H. & Krishnaswamy, S., Jan 1 2018, Nano-, Bio-, Info-Tech Sensors, and 3D Systems II. Varadan, V. K. (ed.). SPIE, 105970C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10597).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Microspheres
Nanocrystals
hydrochlorides
nanocrystals
whispering gallery modes
Grating based high-frequency ultrasonic sensors
Wei, H., Amrithanath, A. K. & Krishnaswamy, S., Jan 1 2018, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2018. SPIE, Vol. 10598. 105982KResearch output: Chapter in Book/Report/Conference proceeding › Conference contribution
Ultrasonic sensors
Bragg Grating
Gratings
Bragg gratings
Fiber Bragg gratings