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Title: Development of high damage threshold laser-machined apodizers and gain filters for laser applications

We have developed high damage threshold filters to modify the spatial profile of a high energy laser beam. The filters are formed by laser ablation of a transmissive window. The ablation sites constitute scattering centers which can be filtered in a subsequent spatial filter. Finally, by creating the filters in dielectric materials, we see an increased laser-induced damage threshold from previous filters created using ‘metal on glass’ lithography.
Authors:
 [1] ;  [1] ;  [1] ;  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Report Number(s):
SAND2016-4106J
Journal ID: ISSN 2095-4719; PII: S2095471916000335
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
High Power Laser Science and Engineering
Additional Journal Information:
Journal Volume: 4; Journal ID: ISSN 2095-4719
Publisher:
Cambridge University Press
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; apodization; laser beam shaping; saptial filtering; laser micromachining
OSTI Identifier:
1340245

Rambo, Patrick, Schwarz, Jens, Kimmel, Mark, and Porter, John L. Development of high damage threshold laser-machined apodizers and gain filters for laser applications. United States: N. p., Web. doi:10.1017/hpl.2016.33.
Rambo, Patrick, Schwarz, Jens, Kimmel, Mark, & Porter, John L. Development of high damage threshold laser-machined apodizers and gain filters for laser applications. United States. doi:10.1017/hpl.2016.33.
Rambo, Patrick, Schwarz, Jens, Kimmel, Mark, and Porter, John L. 2016. "Development of high damage threshold laser-machined apodizers and gain filters for laser applications". United States. doi:10.1017/hpl.2016.33. https://www.osti.gov/servlets/purl/1340245.
@article{osti_1340245,
title = {Development of high damage threshold laser-machined apodizers and gain filters for laser applications},
author = {Rambo, Patrick and Schwarz, Jens and Kimmel, Mark and Porter, John L.},
abstractNote = {We have developed high damage threshold filters to modify the spatial profile of a high energy laser beam. The filters are formed by laser ablation of a transmissive window. The ablation sites constitute scattering centers which can be filtered in a subsequent spatial filter. Finally, by creating the filters in dielectric materials, we see an increased laser-induced damage threshold from previous filters created using ‘metal on glass’ lithography.},
doi = {10.1017/hpl.2016.33},
journal = {High Power Laser Science and Engineering},
number = ,
volume = 4,
place = {United States},
year = {2016},
month = {9}
}