UV Generation By Frequency Conversion In BBO
- 8 March 1989
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 1017, 150-154
- https://doi.org/10.1117/12.949969
Abstract
By frequency-doubling of a pulsed dye laser iii beta-bariumborate, ultraviolet radiation down to 205 nm can be generated with high efficiency. A simple method of sum frequency generation (ω + 2ω + 3ω) extends the wavelength range close to 197 nm, in a cooled crystal even to 195 nm. The most interesting excimer laser wavelength 193 nm can be obtained by sum frequency generation using an infrared dye laser and an excimer laser operating at 248 nm. The lowest wavelength obtained in this way is 189 nm.Keywords
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