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Title: “Metallic burn paper” used for in situ characterization of laser beam properties

Abstract

In situ ablation of thin metal films on fused silica substrates by picosecond class lasers was investigated in this paper as a method of characterizing the beam at the sample plane. The technique involved plotting the areas enclosed by constant fluence contours identified in optical microscope images of the ablation sites versus the logs of the pulse energies. Inconel films on commercially available neutral density filters as well as magnetron sputtered gold films were used. It was also shown that this technique could be used to calibrate real-time beam profile diagnostics against the beam at the sample plane. Finally, the contours were shown to correspond to the boundary where part or all of the film was ablated.

Authors:
 [1];  [1];  [1];  [1];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE; LLNL Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1438651
Alternate Identifier(s):
OSTI ID: 1246473
Report Number(s):
LLNL-JRNL-680511
Journal ID: ISSN 1559-128X
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Applied Optics
Additional Journal Information:
Journal Volume: 55; Journal Issue: 12; Journal ID: ISSN 1559-128X
Publisher:
Optical Society of America
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; laser damage; laser materials processing; laser beam characterization; metallic, opaque, and absorbing coatings

Citation Formats

Bass, Isaac L., Negres, Raluca A., Stanion, Ken, Guss, Gabe, and Bude, Jeff. “Metallic burn paper” used for in situ characterization of laser beam properties. United States: N. p., 2016. Web. doi:10.1364/AO.55.003131.
Bass, Isaac L., Negres, Raluca A., Stanion, Ken, Guss, Gabe, & Bude, Jeff. “Metallic burn paper” used for in situ characterization of laser beam properties. United States. doi:10.1364/AO.55.003131.
Bass, Isaac L., Negres, Raluca A., Stanion, Ken, Guss, Gabe, and Bude, Jeff. Tue . "“Metallic burn paper” used for in situ characterization of laser beam properties". United States. doi:10.1364/AO.55.003131. https://www.osti.gov/servlets/purl/1438651.
@article{osti_1438651,
title = {“Metallic burn paper” used for in situ characterization of laser beam properties},
author = {Bass, Isaac L. and Negres, Raluca A. and Stanion, Ken and Guss, Gabe and Bude, Jeff},
abstractNote = {In situ ablation of thin metal films on fused silica substrates by picosecond class lasers was investigated in this paper as a method of characterizing the beam at the sample plane. The technique involved plotting the areas enclosed by constant fluence contours identified in optical microscope images of the ablation sites versus the logs of the pulse energies. Inconel films on commercially available neutral density filters as well as magnetron sputtered gold films were used. It was also shown that this technique could be used to calibrate real-time beam profile diagnostics against the beam at the sample plane. Finally, the contours were shown to correspond to the boundary where part or all of the film was ablated.},
doi = {10.1364/AO.55.003131},
journal = {Applied Optics},
number = 12,
volume = 55,
place = {United States},
year = {2016},
month = {4}
}

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Cited by: 5 works
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