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Dual-frequency laser Doppler velocimeter for speckle noise reduction and coherence enhancement

Mon, 2012-08-27 02:00 — Guest

Chih-Hao Cheng, Chia-Wei Lee, Tzu-Wei Lin, Fan-Yi Lin
We study the characteristics of a dual-frequency laser Doppler velocimeter (DF-LDV) based on an optically injected semiconductor laser. The laser operated in a period-one (P1) dynamical state with two optical frequencies separated by 11.25 GHz is used as the dual-frequency light source. With a ... [Opt. Express 20, 20255-20265 (2012)]

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