Fiber self-mixing interferometer with orthogonally polarized light compensation | Zendy

Shaohui Zhang | Zendy; Shulian Zhang | Zendy; Liqun Sun | Zendy; Y. X. Tan | Zendy

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Fiber self-mixing interferometer with orthogonally polarized light compensation

Author(s) -

Shaohui Zhang,

Shulian Zhang,

Liqun Sun,

Y. X. Tan

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.026558

Subject(s) - optics , interferometry , polarization (electrochemistry) , polarization maintaining optical fiber , metrology , heterodyne detection , sensitivity (control systems) , optical fiber , laser , optical path , physics , compensation (psychology) , materials science , fiber optic sensor , psychology , chemistry , electronic engineering , psychoanalysis , engineering

A fiber heterodyne self-mixing interferometer with orthogonally polarized light compensation is achieved. This system can adapt to various complex scenes while still keeping ultra-high sensitivity and anti-disturbance capability. Ultra-high sensitivity microchip laser is used as the laser source and polarization maintaining(PM) fiber makes the light path easy to accommodate to complex spaces, such as remote or narrow and small space. Besides, orthogonally polarized light inside PM fiber can eliminate the measurement error on account of environment disturbance. At present, the displacement resolution could be less than 10nm, which shows a great potential in nano-metrology.

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