Title :
Phase shifting low-coherence interferometry by grating based axial-phase-shifter
Author :
Yasuno, Yoshiaki ; Tashiro, Yoshiydu ; Endo, Takashi ; Itoh, Masahide ; Yatagai, Toyohiko
Author_Institution :
Inst. of Appl. Phys., Tsukuba Univ., Ibaraki, Japan
Abstract :
A chromatic axial-phase-shifter for low-coherence phase-shifting interferometry is proposed. By employing this system, the envelope of low-coherence interferograms is successfully extracted.
Keywords :
diffraction gratings; optical images; optical phase shifters; optical testing; phase shifting interferometry; axial-phase-shifter; grating; low-coherence interferograms; low-coherence interferometry; phase shifting interferometry; Algorithm design and analysis; Biomedical optical imaging; Diffraction gratings; Optical diffraction; Optical interferometry; Optical modulation; Optimized production technology; Phase shifting interferometry; Physics; Propulsion;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1277011
