Title :
Absolute distance measurement by adjustable synthetic wavelength dual-comb interferometry
Author :
Seongheum Han ; Joohyung Lee ; Keunwoo Lee ; Seungman Kim ; Seung-Woo Kim ; Young-Jim Kim
Author_Institution :
Dept. of Mech. Eng., Ultrafast Opt. for Ultraprecision Group, Korea Adv. Inst. of Sci. & Technol. (KAIST), Daejeon, South Korea
Abstract :
We demonstrate a dead-zone-free dual-comb interferometer for absolute long distance measurements. The non-ambiguity range is extended without dead zones to ~1.2 km by adjusting the synthetic wavelength for long target distances.
Keywords :
laser ranging; light interferometry; absolute long distance measurements; adjustable synthetic wavelength dual-comb interferometry; Distance measurement; Laser stability; Measurement by laser beam; Optical interferometry; Optical variables measurement; Stability criteria; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
