Title :
UV written integrated optical beam combiner for near infrared astronomical interferometry
Author :
Svalgaard, Mikael ; Olivero, Massimo ; Jocou, Laurent ; Berger, Jean-Philippe
Author_Institution :
Res. Center COM, Tech. Univ. of Denmark, Lyngby
Abstract :
A near infrared integrated optical beam combiner for astronomical interferometry is demonstrated for the first time by direct UV writing. High fringe contrast >95%, low total loss (0.7 dB), low crosstalk and broadband performance is demonstrated.
Keywords :
astronomical techniques; infrared imaging; integrated optics; light interferometry; optical crosstalk; optical fabrication; optical losses; astronomical interferometry; broadband performance; crosstalk; direct ultraviolet writing; fringe contrast; integrated optical beam combiner; loss 0.7 dB; near infrared optical beam combiner; optical loss; Extraterrestrial measurements; Integrated optics; Optical beams; Optical crosstalk; Optical fiber polarization; Optical interferometry; Optical waveguides; Photometry; Telescopes; Writing; (120.3180) Interferometry; (130.3120) Integrated optics devices; (160.5320) Photorefractive materials; (230.1360) Beam splitters; (250.5300) Photonic integrated circuits; (260.7190) Ultraviolet; (350.1260) Astronomical optics;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627849
