Demodulator for interferometric sensors

Allen Cekorich

doi:10.1117/12.372982

9 December 1999 Demodulator for interferometric sensors

Allen Cekorich

Proceedings Volume 3860, Fiber Optic Sensor Technology and Applications; (1999) https://doi.org/10.1117/12.372982
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

A new type of demodulator is described which uses direct sampling of the optical power to measure the sine and the cosine of the signal phase in the presence of a sinusoid modulation. The modulation sinusoid is also held at the optimum modulation depth and sampling phase.

Citation Download Citation

Allen Cekorich "Demodulator for interferometric sensors", Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); https://doi.org/10.1117/12.372982

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