Title :
Profilometry based on comb interval frequency sweeping of two supercontinua with different center wavelengths
Author :
Kojima, Shuto ; Kasuya, Yosuke ; Kashiwagi, Ken ; Choi, Samuel ; Kurokawa, Takashi
Author_Institution :
Grad. Sch. of Eng., Tokyo Univ. of Agric. & Technol., Koganei, Japan
Abstract :
We propose a new technique for stable interferometric measurement by calculating interferograms from obtained signals using two supercontinua whose center wavelengths are slightly different. We successfully obtained a thickness profile of a glass plate.
Keywords :
light interferometry; supercontinuum generation; calculating interferograms; center wavelengths; comb interval frequency sweeping; glass plate; obtained signals; profilometry; stable interferometric measurement; supercontinua; thickness profile;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2012 17th
Conference_Location :
Busan
Print_ISBN :
978-1-4673-0976-9
Electronic_ISBN :
2166-8884
DOI :
10.1109/OECC.2012.6276664
