Wavelength-based sensor for the measurement of small angles

Marc Depoortere; Jean P. L. Ebbeni

doi:10.1117/12.46993

1 September 1991 Wavelength-based sensor for the measurement of small angles

Marc Depoortere, Jean P. L. Ebbeni

Proceedings Volume 1504, Fiber-Optic Metrology and Standards; (1991) https://doi.org/10.1117/12.46993
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

A very simple sensor for the measurement of rotation angles is presented. The sensor is based on the wavelength variation observed in the focal plane of a system conceived with a diffraction grating and a lens. White light is launched in the input fiber. If the grating undergoes a rotation, the wavelength received by the output fiber is altered.

Citation Download Citation

Marc Depoortere and Jean P. L. Ebbeni "Wavelength-based sensor for the measurement of small angles", Proc. SPIE 1504, Fiber-Optic Metrology and Standards, (1 September 1991); https://doi.org/10.1117/12.46993

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