Title :
A folded low-coherence interferometer for high-accuracy measurement of group refractive index
Author :
Hirai, A. ; Sasaki, K. ; Matsumoto, H.
Author_Institution :
Nat. Inst. of Adv. Industrial Sci. & Technolgy, Nat. Metrology Inst. of Japan, Ibaraki, Japan
Abstract :
A new low-coherence interferometer for measurement of group refractive index without knowledge of the geometrical thickness of the sample is developed. The interferometer is a folded-type so that one interferometer behaves like two interferometers.
Keywords :
light coherence; light interferometry; optical glass; refractive index; refractive index measurement; folded low-coherence interferometer; group refractive index;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
