Coherent light generators – Particular beam control device – Nonlinear device
Reexamination Certificate
2006-01-03
2006-01-03
Harvey, Minsun Oh (Department: 2828)
Coherent light generators
Particular beam control device
Nonlinear device
C359S328000
Reexamination Certificate
active
06982999
ABSTRACT:
According to an embodiment of the invention, improved multipass second harmonic generation (SHG) is provided by the use of an inverting, self-imaging telescope. This embodiment ensures parallelism of all passes of all beams within the nonlinear medium. According to another embodiment of the invention, improved multipass SHG is provided by the use of a wedged phasor. This arrangement provides a simple adjustment of the relative phase of the pump beam and second harmonic beam between passes. According to a further embodiment of the invention, improved multipass SHG is provided by the use of an inverting self-imaging telescope in combination with a wedged phasor. This arrangement provides a simple adjustment of the relative phase of the pump beam and second harmonic beam between passes, and ensures parallelism of all passes of all beams within the nonlinear medium. This arrangement also allows corresponding passes of the pump beam and second harmonic beam to be made collinear within the nonlinear medium by design.
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.
Jnl. Appl. Phys. vol. 39, No. 8, p. 3597-3609 Jul. 1968.
Rella Chris W.
Richman Bruce
Vodopyanov Konstantin
Harvey Minsun Oh
Lumen Intellectual Property Services Inc.
Menefee James
Picarro,Inc.
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