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Conference Paper
Self-interference Incoherent Digital Holography using Quarter-waveplate condition Geometric Phase Lens and Cholesteric Liquid Crystal cell
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- Authors
- Jae-Yeol Cha, Hye-Won Jang, Hyeon-Su Jeong, Jae-Won Lee, Hak-Rin Kim
- Issue Date
- 2023-08
- Citation
- Optics and Photonics Congress 2023, pp.1-1
- Publisher
- Optical Society of Korea
- Language
- English
- Type
- Conference Paper
- Abstract
- ― Recently, there have been several attempts to implement the quarter waveplate condition geometric phase lens (QWP-GPL) in the self-interference incoherent digital holography (SIDH) system to reduce the three-wavefront interference noise that occur during the wavefront modulating process of half-waveplate (HWP) condition GPL based SIDH system. However, the operation of QWP-GPL requires precise circularly polarized beam which is difficult to produced using conventional QWP in the visible wavelength. In this work, we implemented a cholesteric liquid crystal (CLC) as a circular polarizer and demonstrates the experimental results validating the circular polarization filtering mechanism of the CLC.
- KSP Keywords
- Circularly polarized beam, Liquid crystals(LCs), Self-interference, Visible wavelength, cholesteric liquid crystal, circular polarizations(CPs), circular polarizers, geometric phase, incoherent digital holography, quarter-waveplate