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Title: The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research

Abstract

The DCS laser is a 100-J UV Nd:glass system designed and built by the Laboratory for Laser Energetics for experimental research at the Dynamic Compression Sector located at the Advanced Photon Source (Argonne National Laboratory). Its aim is to serve as a shock driver to study materials under extreme dynamic pressures. It was designed to deposit energy within a uniformly illuminated 500-um spot on target, with additional optics provided to implement spot sizes of 250 and 1000 um. Designed after larger-scale glass lasers such as OMEGA and the National Ignition Facility, the laser consists of a fiber front end with interferometer-based pulse shaping, a Nd:glass regenerative amplifier, a four-pass rod amplifier, and a 15 cm glass disk amplifier, through which six passes are made in a bowtie geometry. The output is frequency tripled from 1053 to 351 nm by using a pair of type-II phase-matched KDP crystals, with a third to increase conversion bandwidth. The super-Gaussian spot in the far field is achieved with a distributed phase plate and a 1-m aspheric focusing lens. Beam smoothing is attained by using smoothing by spectral dispersion and polarization smoothing, resulting in a root-mean-square variation in intensity on target of ± 8.7%.

Authors:
 [1];  [1]; ORCiD logo [1];  [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [2];  [2];  [1];  [3]; ORCiD logo [1]
  1. Univ. of Rochester, NY (United States)
  2. Washington State Univ., Argonne, IL (United States)
  3. Logos Technologies, Fairfax, VA (United States); Triangulum Technology, Diablo, CA (United States)
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States); Washington State Univ., Pullman, WA (United States). Inst. for Shock Physics
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP) (NA-10)
OSTI Identifier:
1513817
Alternate Identifier(s):
OSTI ID: 1511888; OSTI ID: 1545771
Report Number(s):
2018-275, 1496
Journal ID: ISSN 0034-6748; 2018-275, 1496, 2456
Grant/Contract Number:  
NA0003856; NA0002442
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 90; Journal Issue: 5; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Broege, D., Fochs, S., Brent, G., Bromage, J., Dorrer, C., Earley, R. F., Guardalben, M. J., Marozas, J. A., Roides, R. G., Sethian, J., Wang, X., Weiner, D., Zweiback, J., and Zuegel, J. D. The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research. United States: N. p., 2019. Web. doi:10.1063/1.5088049.
Broege, D., Fochs, S., Brent, G., Bromage, J., Dorrer, C., Earley, R. F., Guardalben, M. J., Marozas, J. A., Roides, R. G., Sethian, J., Wang, X., Weiner, D., Zweiback, J., & Zuegel, J. D. The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research. United States. doi:10.1063/1.5088049.
Broege, D., Fochs, S., Brent, G., Bromage, J., Dorrer, C., Earley, R. F., Guardalben, M. J., Marozas, J. A., Roides, R. G., Sethian, J., Wang, X., Weiner, D., Zweiback, J., and Zuegel, J. D. Fri . "The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research". United States. doi:10.1063/1.5088049.
@article{osti_1513817,
title = {The Dynamic Compression Sector laser: A 100-J UV laser for dynamic compression research},
author = {Broege, D. and Fochs, S. and Brent, G. and Bromage, J. and Dorrer, C. and Earley, R. F. and Guardalben, M. J. and Marozas, J. A. and Roides, R. G. and Sethian, J. and Wang, X. and Weiner, D. and Zweiback, J. and Zuegel, J. D.},
abstractNote = {The DCS laser is a 100-J UV Nd:glass system designed and built by the Laboratory for Laser Energetics for experimental research at the Dynamic Compression Sector located at the Advanced Photon Source (Argonne National Laboratory). Its aim is to serve as a shock driver to study materials under extreme dynamic pressures. It was designed to deposit energy within a uniformly illuminated 500-um spot on target, with additional optics provided to implement spot sizes of 250 and 1000 um. Designed after larger-scale glass lasers such as OMEGA and the National Ignition Facility, the laser consists of a fiber front end with interferometer-based pulse shaping, a Nd:glass regenerative amplifier, a four-pass rod amplifier, and a 15 cm glass disk amplifier, through which six passes are made in a bowtie geometry. The output is frequency tripled from 1053 to 351 nm by using a pair of type-II phase-matched KDP crystals, with a third to increase conversion bandwidth. The super-Gaussian spot in the far field is achieved with a distributed phase plate and a 1-m aspheric focusing lens. Beam smoothing is attained by using smoothing by spectral dispersion and polarization smoothing, resulting in a root-mean-square variation in intensity on target of ± 8.7%.},
doi = {10.1063/1.5088049},
journal = {Review of Scientific Instruments},
number = 5,
volume = 90,
place = {United States},
year = {2019},
month = {5}
}

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