An experimental arrangement is described for determining refractive indices of absorbing liquids and solids over a wide spectral range. Reflection and transmission measurements are carried out. Refractive indices of rhodamine 6G–methanol solutions around the S1 absorption band are presented.
© 1984 Optical Society of America
Original Manuscript: January 7, 1984
Published: May 15, 1984
W. Leupacher and A. Penzkofer, "Refractive-index measurement of absorbing condensed media," Appl. Opt. 23, 1554-1558 (1984)