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

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

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

Type

conf

Filename

5224326