Interference imaging profilometry using optical frequency comb and compressive sensing

Author

Quang Duc Pham ; Hayasaki, Yoshio

Author_Institution

Center for Opt. Res. & Educ. (CORE), Utsunomiya Univ., Utsunomiya, Japan

fYear

2013

fDate

June 30 2013-July 4 2013

Firstpage

1

Lastpage

2

Abstract

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 2π 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.

Keywords

compressed sensing; high-speed optical techniques; laser mode locking; laser stability; measurement by laser beam; optical images; optical receivers; surface topography measurement; compressive sensing; high dynamic range profilometry; interference imaging profilometry; object surface profile; single pixel fast photoreceivers; ultra-stable mode-locked frequency comb femtosecond laser; Frequency measurement; Laser mode locking; Measurement by laser beam; Optical interferometry; Optical sensors; Optical variables measurement; Ultrafast optics;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on

Conference_Location

Kyoto

Type

conf

DOI

10.1109/CLEOPR.2013.6600041

Filename

6600041