Hybrid sol-gel planar optics for astronomy

被引：5

作者：

Ghasempour, A. ^{[1
,2
,3
,4
,5
]}

Leite, A. M. P. ^{[3
]}

Reynaud, F. ^{[5
]}

Marques, P. V. S. ^{[1
,3
]}

Garcia, P. J. V. ^{[2
,7
]}

Alexandre, D. ^{[1
,3
,6
]}

Moreira, P. J. ^{[1
,2
]}

机构：

[1] INESC, Unidade Optoelect & Sistemas Elect, Oporto, Portugal

[2] Univ Porto, Ctr Astrofis, Oporto, Portugal

[3] Univ Porto, Fac Ciencias, Dept Fis, Oporto, Portugal

[4] Univ Porto, Fac Ciencias, Dept Matemat Aplicada, Oporto, Portugal

[5] CNRS, UMR 6172, XLIM, Dept Photon, F-75700 Paris, France

[6] Univ Tras Montes & Alto Douro, Dept Fis, Monte De Caparica, Portugal

[7] Univ Porto, Fac Engn, Dep Eng Fis, Oporto, Portugal

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 03期

关键词：

INTEGRATED-OPTICS; BEAM COMBINER; K-BAND; INTERFEROMETRY; LIGHT; VLTI;

D O I：

10.1364/OE.17.001970

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Hybrid sol-gel planar optics devices for astronomy are produced for the first time. This material system can operate from the visible (0.5 mu m) up to the edge of astronomical J-band (1.4 mu m). The design, fabrication and characterization results of a coaxial three beam combiner are given as an example. Fringe contrasts above 94% are obtained with a source with spectral bandwidth of 50 nm. These results demonstrate that hybrid sol-gel technology can produce devices with high quality, opening the possibility of rapid prototyping of new designs and concepts for astronomical applications. (C) 2009 Optical Society of America

引用

页码：1970 / 1975

页数：6

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