Title :
High-accuracy interferometer with a prism pair for measurement of the absolute refractive index of glass
Author :
Hori, Yasuaki ; Hirai, Akiko ; Minoshima, Kaoru ; Matsumoto, Hirokazu
Author_Institution :
Nat. Inst. of Adv. Ind. Sci. & Technol. (AIST), Tsukuba
Abstract :
Interferometer for precise refractive-index measurement of glass-prism without prior knowledge is developed using a direct comparison of optical-path-changes in glass and air. Preliminary result shows uncertainty of 4.4 x 10-5 agreeing with the manufacturerpsilas values.
Keywords :
light interferometry; measurement by laser beam; measurement uncertainty; optical glass; optical prisms; refractive index measurement; absolute refractive index measurement; glass-prism; high-accuracy interferometer; laser light source; measurement uncertainty; optical-path-changes; Geometrical optics; Glass; Length measurement; Measurement uncertainty; Optical devices; Optical interferometry; Optical refraction; Optical variables control; Refractive index; Thickness measurement; (120.3180) Interferometry; (120.4530) Optical constants; (160.4760) Optical properties;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
