Stretching and compression of laser pulses by means of high...

Optical waveguides – With optical coupler – Input/output coupler

Reexamination Certificate

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C372S005000, C372S025000, C372S030000, C430S001000, C430S002000, C359S001000, C359S025000

Reexamination Certificate

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07424185

ABSTRACT:
High efficiency reflective volume Bragg gratings with chirped gratings recorded in photo-thermo-refractive glass having an absolute diffraction efficiency exceeding 95% in transmitting and reflecting modes are used to stretch and/or compress ultrashort laser pulses with high efficiency. Robustness, compactness, thermal and laser stability along with placement of multiple elements in the same space provides femtosecond laser system with high efficiency of stretching and re-compression of femtosecond pulses.

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