Laser pulse format for penetrating an absorbing fluid

Details Laser pulse format for penetrating an absorbing fluid Laser pulse format for penetrating an absorbing fluid

1993-05-04

1994-06-14

Scott, Jr., Leon

Coherent light generators

Particular pumping means

372 70, 372 51, 372 6, 372 25, 372 39, 128633, H01S 309

Patent

active

053217152

ABSTRACT:
A pulse format for a laser system is disclosed for maximizing the energy delivered to a target immersed in an absorbing liquid. A first pulse is generated having an energy sufficient to initiate the formation of a vapor bubble in the liquid medium adjacent the end of the delivery device. A second, high energy pulse is generated after the vapor bubble initiated by the first pulse has expanded an amount sufficient to displace the liquid between the delivery device and the target. In this manner, the second pulse is delivered directly to the target and little energy is lost to the liquid medium.

REFERENCES:
patent: 4875214 (1989-10-01), Denne

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