Title :
Dual-comb absolute ranging using balanced optical cross-correlator as time-of-flight detector
Author :
Haosen Shi ; Youjian Song ; Fei Liang ; Liming Xu ; Minglie Hu ; Chingyue Wang
Author_Institution :
Sch. of Precision Instrum. & Opto-Electron. Eng., Tianjin Univ., Tianjin, China
Abstract :
We demonstrate dual-comb absolute ranging using balanced optical cross correlator as high resolution pulse time-of-flight detector. Actual test performed at ~3 meters target distance proves a 200 nm ranging precision at 50 ms acquisition time.
Keywords :
erbium; fibre lasers; high-speed optical techniques; laser ranging; optical correlation; optical frequency combs; optical testing; acquisition time; balanced optical cross-correlator; distance 200 nm; dual-comb absolute ranging; femtosecond pulses; high resolution pulse time-of-flight detector; mode-locked Er-doped fiber lasers; ranging precision; time 50 ms; Detectors; Distance measurement; Optical distortion; Optical pulses; Timing; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
