Self-mixing velocity sensors based on terahertz quantum cascade lasers

Ning Yang; Yuanyuan Li; Weidong Chu

doi:10.1364/SENSORS.2020.SM3E.3

Optical Sensors and Sensing Congress
OSA Technical Digest (Optica Publishing Group, 2020),
paper SM3E.3
•https://doi.org/10.1364/SENSORS.2020.SM3E.3

Self-mixing velocity sensors based on terahertz quantum cascade lasers

Ning Yang, Yuanyuan Li, and Weidong Chu

Optical Sensors 2020

Washington, DC United States
22–26 June 2020
ISBN: 978-1-943580-78-1

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THz Sensing I (SM3E)

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N. Yang, Y. Li, and W. Chu, "Self-mixing velocity sensors based on terahertz quantum cascade lasers," in Optical Sensors and Sensing Congress, OSA Technical Digest (Optica Publishing Group, 2020), paper SM3E.3.

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Abstract

Terahertz quantum cascade lasers (THz QCLs) are more stable than conventional diode lasers under strong self-mixing feedbacks. Then multi-target velocity sensors based on THz QCLs and their phase-locked arrays are proposed.

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