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Research could improve laser-manufacturing technique
Date:12/19/2011

asers because it partially blocks the laser beam," Shin said. "The early plasma changes the optical properties of air, but the mechanism is still largely unknown."

The researchers studied the early plasma by tracking the movement of millions of individual atoms in the plasma; observing how the laser beam travels in space and interacts with plasma; and using a "laser pump probe shadowgraph," a technique in which one laser ablates a material, producing the early plasma, and a second laser fired perpendicular to the first is used to study the cloud. A series of optical elements and mirrors is used in the shadowgraph technique.


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Contact: Emil Venere
venere@purdjue.edu
765-494-4709
Purdue University
Source:Eurekalert

Page: 1 2

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