Wide-spectral-range laser refractometer.
We present refractometric measurements made in the 266-1064-nm spectral region with a pulsed Nd:YAG laser, and the second, third, and fourth harmonics of the laser's fundamental wavelength. The critical angle is determined by the disappearance of the diffraction orders from a metal grating, forming a microcuvette with the prism's reflecting wall. A fused-silica measuring prism is used in the experiments.
Sainov
Simeon
S
Central Laboratory of Optical Storage and Processing of Information, Bulgarian Academy of Sciences, 101 Akad. G. Bonchev Str. P.O. Box 95, Sofia 1113, Bulgaria.
Sarov
Yanko
Y
Kurtev
Stoyan
S