Efficient second to ninth harmonic generation using megawatt peak power microchip laser.
Opt Express
; 21(23): 28849-55, 2013 Nov 18.
Article
em En
| MEDLINE
| ID: mdl-24514398
ABSTRACT
We report the design and use of a megawatt peak power NdYAG/Cr4+YAG microchip laser for efficient second to ninth harmonic generation. We show that the sub-nanosecond pulse width region, between 100 ps and 1 ns, is ideally suited for efficient wavelength conversion. Using this feature, we report 85% second harmonic generation efficiency using lithium triborate (LBO), 60% fourth harmonic generation efficiency usingß-barium borate, and 44% IR to UV third harmonic generation efficiency using Type I and Type II LBO. Finally, we report the first demonstration of 118 nm VUV generation in xenon gas using a microchip laser.
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MEDLINE
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En
Ano de publicação:
2013
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Article