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Reflection occurs when light impinges on an interface between two distinct media. Suppression of the reflection is of paramount significance to practical applications in information transfer and conversion. While technologies such as the Brewster effect and material coatings are widely adopted to eliminate the wave reflection from purely spatial or temporal interfaces, how to eliminate the reflection...
A method to realize UV lasers at 374 nm and 280 nm is demonstrated. A pump laser for the SHG and SFG processes is a Nd:YAG laser at 1123 nm. The laser uses a Cr:YAG crystal as a passive Q-switch. To the best of our knowledge, this laser has not earlier been used to produce UV wavelengths. The laser is frequency doubled using a KTA crystal. Frequency conversions to 374 nm and 280 nm light were realized...
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