Interference imaging profilometry using optical frequency comb and compressive sensing

被引：0
|
作者：
Quang Duc Pham [1 ]
Hayasaki, Yoshio [1 ]
机构：
[1] Utsunomiya Univ, CORE, Utsunomiya, Tochigi 3218585, Japan
来源：
2013 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR) | 2013年
关键词：
ABSOLUTE DISTANCE MEASUREMENT; LASER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We describe a new optical system using an ultra-stable mode-locked frequency comb femtosecond laser and the compressive sensing to measure an object surface profile. The highly-stabilized frequency comb laser is used to measure an object with a large depth very precisely without any 2 pi phase ambiguity. The compressive sensing is able to perform profilometry with two single pixel fast photo-receivers and few measurements. We demonstrate high dynamic range profilometry for a large depth object.
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页数：2
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