Title :
Coherent optical frequency domain reflectometry (OFDR) utilizing a fiber grating external cavity laser
Author :
Huang, Kao-Yang ; Carter, Gary M.
Author_Institution :
Dept. of Electr. Eng., Maryland Univ., Baltimore, MD, USA
fDate :
31 Oct-3 Nov 1994
Abstract :
Recently fiber gratings have been applied to numerous applications in lightwave technology. We demonstrate a coherent optical frequency domain reflectometry (OFDR) using a fiber grating external cavity laser and coherent heterodyne detection. The fiber grating external cavity laser, which serves as the source, is very robust, compact, and free of alignment problems. The laser has a long static coherence length (6 km in optical fiber) which is a major advantage
Keywords :
reflectometry; 6 km; OFDR; coherent heterodyne detection; coherent optical frequency domain reflectometry; fiber grating external cavity laser; lightwave technology; long static coherence length; optical fiber; Chirp modulation; Erbium-doped fiber lasers; Fiber gratings; Fiber lasers; Frequency domain analysis; Optical attenuators; Optical fibers; Optical interferometry; Optical mixing; Reflectometry;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1994. LEOS '94 Conference Proceedings. IEEE
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-1470-0
DOI :
10.1109/LEOS.1994.586365
