Monoblock laser with reflective substrate

Details Monoblock laser with reflective substrate Monoblock laser with reflective substrate

2006-01-26

2010-06-01

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular beam control device

Q-switch

C372S021000, C372S050100

Reexamination Certificate

active

07729392

ABSTRACT:
In an internal OPO, a substrate comprising a thin film lies along an axis and a first mirror reflects first wavelength light. A gain medium lases and polarizes light entering therein and a Q-switch attenuates and transmits first wavelength light. An HR/HT mirror passes first wavelength light and reflects a second wavelength light, and an OPO rod converts a portion of the first wavelength light into second wavelength light. An output coupler (OC) reflects first wavelength light and passes a portion of second wavelength light, the first wavelength reflecting between the first mirror, the OC and through the gain medium and the Q-switch. The second wavelength light reflects between the HR/HT mirror and OC and through the OPO rod. The invention applies to external OPO as well.The thin film reflects the light towards the gain medium, permitting a lower power lightsource and increasing the efficiency of the gain medium.

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