Design and testing of AR coatings for MEGARA optics

We present the antireflection coatings of the optical elements of MEGARA, the new integral field and multi-object spectrograph for the Gran Telescopio Canarias. We describe the methodology for optimizing the solutions. We also present the results of the final deposited coatings. The main optics requ...

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Detalles Bibliográficos
Autores: Gil De Paz, Armando, Gallego Maestro, Jesús
Tipo de recurso: artículo
Fecha de publicación:2016
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/23226
Acceso en línea:https://hdl.handle.net/20.500.14352/23226
Access Level:acceso abierto
Palabra clave:52
Antireflection coatings
Optical design
Thin films
Optical testing
Broadband coatings
MEGARA
GTC
Astrofísica
Astronomía (Física)
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spelling Design and testing of AR coatings for MEGARA opticsGil De Paz, ArmandoGallego Maestro, Jesús52Antireflection coatingsOptical designThin filmsOptical testingBroadband coatingsMEGARAGTCAstrofísicaAstronomía (Física)We present the antireflection coatings of the optical elements of MEGARA, the new integral field and multi-object spectrograph for the Gran Telescopio Canarias. We describe the methodology for optimizing the solutions. We also present the results of the final deposited coatings. The main optics require broadband coatings in the range from 370 nm to 980 nm for different materials with a mean R<1.3% at specific angles of incidence in each surface. For each material a specific arrangement of thicknesses of the same eight layers were produced and tested. For the spectrograph pupil elements four layer coatings were designed and produced R<0.3%. The design of main optics and pupil elements coatings have been shared between INAOE and CIO. The coating depositions have been performed at CIO in the Integrity 39 Denton Vacuum Deposition System. The main optics final coatings fulfill MEGARA requirements.SPIE-Int Soc Optical EngineeringUniversidad Complutense de Madrid20162016-01-0120162016-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/23226reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/232262026-06-02T12:44:21Z
dc.title.none.fl_str_mv Design and testing of AR coatings for MEGARA optics
title Design and testing of AR coatings for MEGARA optics
spellingShingle Design and testing of AR coatings for MEGARA optics
Gil De Paz, Armando
52
Antireflection coatings
Optical design
Thin films
Optical testing
Broadband coatings
MEGARA
GTC
Astrofísica
Astronomía (Física)
title_short Design and testing of AR coatings for MEGARA optics
title_full Design and testing of AR coatings for MEGARA optics
title_fullStr Design and testing of AR coatings for MEGARA optics
title_full_unstemmed Design and testing of AR coatings for MEGARA optics
title_sort Design and testing of AR coatings for MEGARA optics
dc.creator.none.fl_str_mv Gil De Paz, Armando
Gallego Maestro, Jesús
author Gil De Paz, Armando
author_facet Gil De Paz, Armando
Gallego Maestro, Jesús
author_role author
author2 Gallego Maestro, Jesús
author2_role author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 52
Antireflection coatings
Optical design
Thin films
Optical testing
Broadband coatings
MEGARA
GTC
Astrofísica
Astronomía (Física)
topic 52
Antireflection coatings
Optical design
Thin films
Optical testing
Broadband coatings
MEGARA
GTC
Astrofísica
Astronomía (Física)
description We present the antireflection coatings of the optical elements of MEGARA, the new integral field and multi-object spectrograph for the Gran Telescopio Canarias. We describe the methodology for optimizing the solutions. We also present the results of the final deposited coatings. The main optics require broadband coatings in the range from 370 nm to 980 nm for different materials with a mean R<1.3% at specific angles of incidence in each surface. For each material a specific arrangement of thicknesses of the same eight layers were produced and tested. For the spectrograph pupil elements four layer coatings were designed and produced R<0.3%. The design of main optics and pupil elements coatings have been shared between INAOE and CIO. The coating depositions have been performed at CIO in the Integrity 39 Denton Vacuum Deposition System. The main optics final coatings fulfill MEGARA requirements.
publishDate 2016
dc.date.none.fl_str_mv 2016
2016-01-01
2016
2016-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/23226
url https://hdl.handle.net/20.500.14352/23226
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv SPIE-Int Soc Optical Engineering
publisher.none.fl_str_mv SPIE-Int Soc Optical Engineering
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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