We investigate the feasibility of a full-silica transmission grating acting as a quarter-wave plate at the wavelength of 351 nm as an alternative to an anisotropic crystal. We report on the design, manufacturing process and optical characterization carried out. We evidence the possibility to obtain a full-silica component exhibiting at 351 nm a high damage threshold and a phase retardance of /4 associated with a diffraction efficiency above 98%.
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Néauport et al. (2024) studied this question.
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