Investigation of spectral shifts in a white light interferometer with a single interference peak

Chunhui Xu; Yingyan Yi; Zhuo Shu; Min Li

doi:10.1117/1.OE.54.4.044105

22 April 2015 Investigation of spectral shifts in a white light interferometer with a single interference peak

Chunhui Xu, Yingyan Yi, Zhuo Shu, Min Li

Author Affiliations +

Optical Engineering, Vol. 54, Issue 4, 044105 (April 2015). https://doi.org/10.1117/1.OE.54.4.044105

Abstract

When the optical path difference between the two arms of an interferometer is so small that only one peak exists within the measurable interference spectrum, traditional white light interference demodulation techniques based on two adjacent interference peaks are not a suitable choice. We report an experimental approach to measure the peak wavelength shifts with only a single interference peak in a fiber white light interferometer. The temperature measurement experiments prove a linear relationship between the peak wavelength and the temperature. The temperature resolution is 0.1°C in theory.

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Chunhui Xu, Yingyan Yi, Zhuo Shu, and Min Li "Investigation of spectral shifts in a white light interferometer with a single interference peak," Optical Engineering 54(4), 044105 (22 April 2015). https://doi.org/10.1117/1.OE.54.4.044105

Published: 22 April 2015

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