Title :
Dual-comb reciprocal temporal scanning for absolute distance measurement
Author :
Hongyuan Zhang ; Xuejian Wu ; Haoyun Wei ; Yan Li
Author_Institution :
Dept. of Precision Instrum., Tsinghua Univ., Beijing, China
Abstract :
Pulse trains from dual combs with different repetition rates are coupled and directed onto a target for simultaneous absolute distance measurement. Non-ambiguity range extension is immune to drift and accuracy is about 100 nm.
Keywords :
distance measurement; high-speed optical techniques; optical harmonic generation; absolute distance measurement; dual-comb reciprocal nonlinear asynchronous optical sampling; type II second harmonic generation; Accuracy; Distance measurement; Erbium-doped fiber amplifiers; Frequency conversion; Instruments; Optical interferometry; Time measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
