Proposed device showcases wavelength selective Bragg reflection in cholesteric liquid crystals, indicating potential for dispersion control.
We propose a transmissive diffractive optical element based on cholesteric liquid crystals. The proposed device shows wavelength selective stemming from the Bragg reflection of cholesteric liquid crystals and is in sharp contrast to conventional liquid crystal diffractive optical elements based on the Pancharatnam‐Berry phase. Since the Bragg diffraction is wavelength selective, the device is potentially attractive for the dispersion control of transmissive diffractive optical elements.
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Yoda et al. (2025) studied this question.
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