A Self-Mixing Infterference Structure with Pre-Feedback Used for Measuring Displacement

[in Chinese]; [in Chinese]; [in Chinese]

Acta Optica Sinica, Volume. 22, Issue 3, 308(2002)

[in Chinese]^1,2、*, [in Chinese]¹, and [in Chinese]²

Author Affiliations

¹[in Chinese]

²[in Chinese]

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Abstract Get PDF(in Chinese)

A new self mixing interference structure including the pre feedback is proposed and its model is established. It is confirmed by computer simulating and experiment that the pre feedback one can extend the measuring range and increase the signal to noise ratio and obtain the sawtooth interference signal from a rough surface.

Keywords

displacement measurement pre-feedback self-mixing interference semiconductor laser

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[in Chinese], [in Chinese], [in Chinese]. A Self-Mixing Infterference Structure with Pre-Feedback Used for Measuring Displacement[J]. Acta Optica Sinica, 2002, 22(3): 308

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Dec. 26, 2000

Accepted: --

Published Online: Aug. 8, 2006

The Author Email: (yanguangyu@263.net)

DOI:

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology