Photopolymers for Astronomy: the Case of Volume Phase Holographic Gratings

Andrea Bianco, Michele Frangiamore, Andrea Vanella,Luca Oggioni, Giorgio Pariani, Paola Moretti, Chiara Bertarelli

Optica Digital Holography and Three-Dimensional Imaging 2024 (DH)（2024）

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摘要

Modern astronomical spectrographs required high performance dispersing elements such as Volume Phase Holographic Gratings (VPHGs). We develop holographic photopolymers for the manufacturing of large size VPHGs from the UV to the NIR. More than 10 telescopes around the world use our devices and the requests are increasing.

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