A technique for the group refractive index dispersion measurement of transparent materials using a low-coherence tandem interferometer without knowledge of the sample thickness is proposed. The experimental result of BK7 show an accuracy of 10-5.
© 2006 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(260.0260) Physical optics : Physical optics
(260.2030) Physical optics : Dispersion
A. Hirai, K. Sasaki, and H. Matsumoto, "Group Refractive Index Dispersion Measurement Using Low-Coherence Tandem Interferometer," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CMII4.