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Ajit Jha
at Univ Politècnica de Catalunya
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Publications (4)
SPIE Journal Paper | 27 July 2018
Cost-effective laser feedback sensor for nanometric scale acoustic perturbations
OE, Vol. 57, Issue 07, 074110, (July 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.7.074110
KEYWORDS: Transducers, Acoustics, Modulation, Sensors, Aluminum, Oscilloscopes, Semiconductor lasers, Optical engineering, Continuous wave operation, Laser optics
Proceedings Article | 22 June 2015 Paper
Ultracompact vibrometry measurement with nanometric accuracy using optical feedback
Proceedings Volume 9525, 95251Y (2015) https://doi.org/10.1117/12.2184730
KEYWORDS: Modulation, Semiconductor lasers, Phase shift keying, Laser optics, Laser resonators, Vibrometry, Frequency modulation, Refractive index, Nonlinear optics, Continuous wave operation
Proceedings Article | 22 June 2015 Paper
Differential self-mixing interferometry for micro-cantilever motion sensing
Proceedings Volume 9529, 95291B (2015) https://doi.org/10.1117/12.2184725
KEYWORDS: Sensors, Interferometry, Ferroelectric materials, Signal processing, Aluminum, Oscilloscopes, Motion measurement, Resonators, Laser optics, Calibration
Proceedings Article | 13 May 2013 Paper
A method to measure sub nanometric amplitude displacements based on optical feedback interferometry
Proceedings Volume 8789, 878908 (2013) https://doi.org/10.1117/12.2019992
KEYWORDS: Sensors, Interferometry, Optical resolution, Calibration, Lawrencium, Motion measurement, Signal processing, Semiconductor lasers, Interference (communication), Electrooptic modulators
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