Sensor and method utilizing multiple optical interferometers

Details Sensor and method utilizing multiple optical interferometers Sensor and method utilizing multiple optical interferometers

2011-08-02

2011-08-02

Lyons, Michael A (Department: 2877)

Optics: measuring and testing

By light interference

Reexamination Certificate

active

07990539

ABSTRACT:
Disclosed is a low-cost high-resolution compact accelerometer which utilizes multiple self-mixing optical interferometers. The device is also a micro-opto-electro-mechanical systems (MOEMS) sensor. The interferometers are used to detect acceleration as well as monitor the wavelength, temperature, and refractive index and perform differential measurements. In addition, photodetectors are employed to monitor the input optical power.

REFERENCES:
patent: 5420688 (1995-05-01), Farah
patent: 5891747 (1999-04-01), Farah
patent: 2006/0192974 (2006-08-01), Li
patent: 2007/0103697 (2007-05-01), Degertekin
patent: 2008/0024763 (2008-01-01), Li

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