G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/34 (2006.01) G01J 3/28 (2006.01) G02B 7/00 (2006.01)
Patent
CA 2442528
The invention concerns an integrated optical spectrometer with high spectral resolution, in particular for high-speed telecommunications and metrology, and a method for making same. Said spectrometer comprises at least an elementary spectrometer which includes an optical phase grating including a set of micro-guides (12) and formed on a cleaved planar optical guide (14), reflecting means (24, 30, 32, 34) adapted to successively reflect radiation derived from the set of micro-guides, so as to propagate said radiation in folded form and in free space, means (26) for photodetection of said radiation thus reflected and means (28) for focusing radiation on said photodetection means.
Spectromètre optique intégré à haute résolution spectrale, notamment pour les télécommunications à haut débit et la métrologie, et procédé de fabrication. Ce spectromètre comprend au moins un spectromètre élémentaire qui comprend un réseau de phase optique comprenant un ensemble de micro-guides (12) et formé sur un guide optique planaire (14) clivé, des moyens de réflexion (24, 30, 32, 34) aptes réfléchir successivement des rayonnements issus de l'ensemble des microguides, en vue d'une propagation de ces rayonnements sous forme repliée et en espace libre, des moyens (26) de photodétection des rayonnements ainsi réfléchis et des moyens (28) de focalisation des rayonnements sur ces moyens de photodétection.
Bugaud Michel
Grand Gilles
Magne Sylvain
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