The optical constants of liquid water in a broad spectral region
(1-106 µm) were determined by using four
independent methods: transmission, reflection, DTIR, and Kramers-
V. M. Zolotarev, B. A. Mikhilov, L. L. Alperovich, S. I. Popov,
"Dispersion and absorption of liquid water in the infrared and
radio regions of the spectrum," Optics and
Spectroscopy,27, 430-432 (1969).