Title :
A novel 3-D measurement technique using a frequency chirped laser
Author :
Ndiaye, Cheikh ; Hara, Takefumi ; Hamada, Norihito ; Ito, Hiromasa
Author_Institution :
Tohoku University, Research Institute of Electrical Communication, Japan galas@riec.tohoku.ac.jp
Abstract :
A novel 3-D measurement technique based on optical frequency-domain reflectometry which uses a frequency-shifted feedback laser as chirped light source is reported. Measurement ranges of 1m, accuracies better than 50μm and speed of 1000points/s have been demonstrated.
Keywords :
Biomedical optical imaging; Chirp; Distance measurement; Frequency; Laser feedback; Measurement techniques; Optical feedback; Optical interferometry; Reflectometry; State feedback;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569825
