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.

引用

页数：2

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