Measurement of the refractive index of a simple negative lens is presented. The technique is also useful for measuring the refractive index of a simple convex and zero power lens.
© 1990 Optical Society of America
R. P. Shukla, G. M. Perera, M. C. George, and P. Venkateswarlu, "Determination of refractive index of a simple negative, positive, or zero power lens using wedged plated interferometer," Appl. Opt. 29, 4541-4543 (1990)