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Published March 23, 2000 | Published
Book Section - Chapter Open

Multicrystal harmonic generator compensates for thermally induced phase mismatch

Abstract

We use computer simulation to illustrate how thermally induced phase mismatch affect deep UV harmonic generation. A multicrystal harmonic generator that compensates for thermally include phase mismatch is then presented. We have tested this multicrystal design with a Nd:YAG lasers 4th harmonic generator based on two pieces of β-BaB_2O_4 crystals, and our results demonstrate that it compensates for the thermally include phase mismatch, effectively increasing the interaction length of nonlinear optical crystals during harmonic generation under high loading.

Additional Information

© 2000 Society of Photo-Optical Instrumentation Engineers (SPIE). Funding from NSF MRI program (grant ATM-9724500, sponsored by Atmospheric Chemistry), which provided the pump laser used in these experiments, is gratefully acknowledged.

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