High-precision and large-dynamic-range three-dimensional surface profilometry by comb-based time-of-flight detection
- Resource Type
- Conference
- Authors
- Na, Yongjin; Ahn, Changmin; Jeon, Chan-Gi; Kim, Jungwon
- Source
- 2021 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2021 Conference on. :1-2 May, 2021
- Subject
- Photonics and Electrooptics
Fluctuations
Laser noise
Laser mode locking
Surface emitting lasers
Imaging
Lasers and electrooptics
Optical harmonic generation
(280.3400) Laser range finder
(270.2500) Fluctuations, relaxations, and noise
(140.4050) Mode-locked lasers
- Language
We demonstrate high-precision (~10-nm repeatability) and large-dynamic-range (120 dB dynamic-range with ~9-mm ambiguity range) three-dimensional surface profile imaging technique by combining an optical frequency comb, an electro-optic-sampling-based timing detector, and a fast beam scanner.