Frequency conversion efficiency

Details Frequency conversion efficiency Frequency conversion efficiency

2006-04-25

2006-04-25

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C359S328000

Reexamination Certificate

active

07035298

ABSTRACT:
Improved multipass second harmonic generation (SHG) is provided by the use of an inverting, self-imaging telescope which ensures parallelism of all passes of all beams within the nonlinear medium. Improved multipass SHG is also provided by the use of a wedged phasor which provides a simple adjustment of the relative phase of the pump beam and second harmonic beam between passes. Improved multipass SHG is provided by the use of an inverting self-imaging telescope in combination with a wedged phasor which provides a simple adjustment of the relative phase of the pump beam and second harmonic beam between passes, ensures parallelism of all passes of all beams within the nonlinear medium. A further embodiment includes an OPO and at least one phasor and preferably first and second telescope assemblies.

REFERENCES:
patent: 3950103 (1976-04-01), Schmidt-Weinmar
patent: 5289491 (1994-02-01), Dixon
patent: 5321718 (1994-06-01), Waarts et al.
patent: 5450429 (1995-09-01), Klemer et al.
patent: 5648866 (1997-07-01), Trebino et al.
Parametric Interaction of Focused Gaussian Light Beams Boyd et.al., Jnl. Applied Physics vol. 39, No. 8, Jul. 1968.

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