A passive method to compensate nonlinearity in a homodyne interferometer
This study presents an analysis of the nonlinearity resulting from polarization crosstalk at a polarizing beam splitter (PBS) and a wave plate (WP) in a homodyne interferometer. From a theoretical approach, a new compensation method involving a realignment of the axes of WPs to some specific angles according to the characteristics of the PBS is introduced. This method suppresses the nonlinearity in a homodyne interferometer to 0.36 nm, which would be 3.75 nm with conventional alignment methods of WPs. (C) 2009 Optical Society of America
- Publisher
- OPTICAL SOC AMER
- Issue Date
- 2009-12
- Language
- English
- Article Type
- Article
- Citation
OPTICS EXPRESS, v.17, no.25, pp.23299 - 23308
- ISSN
- 1094-4087
- Appears in Collection
- ME-Journal Papers(저널논문)
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