Instrumentation, Measurement, and Metrology

Time-resolved microscope system to image material response following localized laser energy deposition: exit surface damage in fused silica as a case example

[+] Author Affiliations
Rajesh N. Raman

Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550

Raluca A. Negres

Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550

Stavros G. Demos

Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550

Opt. Eng. 50(1), 013602 (January 20, 2011). doi:10.1117/1.3526689
History: Received September 29, 2010; Revised November 10, 2010; Accepted November 12, 2010; Published January 20, 2011; Online January 20, 2011
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The dynamics of material response following initial localized energy deposition by the laser pulse on the material's surface is still largely unknown. We describe a time-resolved microscope system that enables the study of the sequence of events and the individual processes involved during the entire timeline from the initial energy deposition to the final state of the material, typically associated with the formation of a crater on the surface. To best capture individual aspects of the damage timeline, this system can be configured to multiple imaging arrangements, such as multiview image acquisition at a single time point, multi-image acquisition at different time points of the same event, and tailored sensitivity to various aspects of the process. As a case example, we present results obtained with this system during laser-induced damage on the exit surface of fused silica.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Rajesh N. Raman ; Raluca A. Negres and Stavros G. Demos
"Time-resolved microscope system to image material response following localized laser energy deposition: exit surface damage in fused silica as a case example", Opt. Eng. 50(1), 013602 (January 20, 2011). ; http://dx.doi.org/10.1117/1.3526689


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