Birefringence is an important optical parameter of anisotropic crystal, which is determined by multi factors, such as component structure growth condition and wavelength. There are many methods to measure birefringence, but they usually applicable for single wavelength and birefringence is obtained by primary refractive index, precision generally is 10^-4 . The accurate method is electro-optic modulation and interference,for which the spectral range is not only visible region, but also ultraviolet and infrared according to needs. Birefringence precision of 10^-5 can obtain without complex data processing. The construction is simple and technical index is easy to control.

Date Published: 20 May 2009
PDF: 6 pages
Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 728333 (20 May 2009); doi: 10.1117/12.828759

Published in SPIE Proceedings Vol. 7283:
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Yudong Zhang; James C. Wyant; Robert A. Smythe; Hexin Wang, Editor(s)