Novel dispersive elements for LIRIS

Ana B. Fragoso-López; José A. Acosta-Pulido; Elvio Hernández; María Barreto; Antonio Manescau; Arturo Manchado

doi:10.1117/12.786920

9 July 2008 Novel dispersive elements for LIRIS

Ana B. Fragoso-López, José A. Acosta-Pulido, Elvio Hernández, María Barreto, Antonio Manescau, Arturo Manchado

Proceedings Volume 7014, Ground-based and Airborne Instrumentation for Astronomy II; 701468 (2008) https://doi.org/10.1117/12.786920
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

New dispersive elements providing relative high resolution (R=2200) have been recently incorporated in the near infrared spectrograph LIRIS. These elements are founded on a rather novel design based on a diffractive pattern engraved in fused silica, which is placed between two prisms. These new components are pushing forward the scientific capabilities of the instrument by enhancing the medium resolution spectroscopic mode of operation. Details on the design, specifications and measured performances, as well as aspects related to the integration and astronomical tests in the instrument are presented.

Citation Download Citation

Ana B. Fragoso-López, José A. Acosta-Pulido, Elvio Hernández, María Barreto, Antonio Manescau, and Arturo Manchado "Novel dispersive elements for LIRIS", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 701468 (9 July 2008); https://doi.org/10.1117/12.786920

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