Large-scale DCG transmission holographic gratings for astronomy

Pierre-Alexandre Blanche; Serge LM Habraken; Philippe C. Lemaire; Claude A. J. Jamar

doi:10.1117/12.456671

30 January 2003 Large-scale DCG transmission holographic gratings for astronomy

Pierre-Alexandre Blanche, Serge LM Habraken, Philippe C. Lemaire, Claude A. J. Jamar

Proceedings Volume 4842, Specialized Optical Developments in Astronomy; (2003) https://doi.org/10.1117/12.456671
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The recent interest of the astronomer community for volume phase holographic gratings is directly related to the enhancement of spectrograph throughput since this kind of grating can rise higher diffraction efficiency. Indeed, dichromated gelatine technology has demonstrated capability for 70-90% efficiency. From the heritage of several diffractive and holographic projects and applications, the Centre Spatial de Liege has recently decided to invest in the large-scale DCG grating technology. This paper will present the new facility which is now fully operational, its capability and first results obtained.

Citation Download Citation

Pierre-Alexandre Blanche, Serge LM Habraken, Philippe C. Lemaire, and Claude A. J. Jamar "Large-scale DCG transmission holographic gratings for astronomy", Proc. SPIE 4842, Specialized Optical Developments in Astronomy, (30 January 2003); https://doi.org/10.1117/12.456671

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