This paper describes design idea of a computerized photoelectric refractometer and its construction and discusses the sources of error. The refracti',ve indices _of optical glasses are measured with this instrument. The measuring uncertainties of 3x10 and 3x10 in the wavelength ranges of 300 to 2800 nm and 2800 to 12000 nm are obtained, respectively.
"A computerized photoelectric refractometer", Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 12301V (1 July 1990); doi: 10.1117/12.2294704; https://doi.org/10.1117/12.2294704