Title :
Quadrature detection and cancellation of absolute wavelength in a prism-pair interferometer for high-accuracy refractive index measurements of glasses
Author :
Hori, Yasuaki ; Hirai, Akiko ; Minoshima, Kaoru
Author_Institution :
Nat. Inst. of Adv. Ind. Sci. & Technol. (AIST), Tsukuba, Japan
Abstract :
Uncertainty of refractive-index measurements of optical-glasses are further reduced in a prism-pair interferometer by a quadrature-detection and a shared light-source. Uncertainty of 1.50 times 10-6 is confirmed by an interlaboratory comparison based on other methods.
Keywords :
light interferometers; light sources; optical glass; optical prisms; refractive index measurement; absolute wavelength cancellation; optical glasses; prism-pair interferometer; quadrature detection; refractive index measurements; shared light source; Glass; Light sources; Measurement uncertainty; Optical interferometry; Optical refraction; Optical surface waves; Optical variables control; Phase measurement; Refractive index; Wavelength measurement; (120.3180) Interferometry; (120.4530) Optical constants; (160.4760) Optical properties;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
