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Title: Fabrication of a glancing-angle-deposited distributed polarization rotator for ultraviolet applications

Abstract

Glancing-angle–deposited thin films are used to fabricate half-wave plates in a 1-D striped geometry, forming alternating regions of linearly polarized light on a single 100-mm-diam substrate. MgO is selected for fabricating the birefringent films for use in vacuum, based on its formation of isolated columns that avoid potential tensile-stress failure of the porous film. While large-area tests have shown high defect densities for fluences <10 J/cm2, small-spot laser-damage testing has shown resistance to fluences up to 30 J/cm2 (351-nm, 5-ns pulse). Here, an amorphous silica film is investigated to match the optical thickness in the intermediate regions in an effort to fabricate a polarization-control device to reduce focal-point modulation (“beam smoothing”) in high-intensity laser systems. Ongoing efforts to improve the laser-damage threshold and minimize optical losses caused by scatter are essential to realizing a practical device. Scalability of the process to meter-scale substrates is also explored.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1457134
Grant/Contract Number:  
NA0001944
Resource Type:
Accepted Manuscript
Journal Name:
Proceedings of SPIE - The International Society for Optical Engineering
Additional Journal Information:
Journal Volume: 10691; Conference: SPIE Advances in Optical Thin Films, Frankfurt (Germany), 14-17 May 2018; Journal ID: ISSN 0277-786X
Publisher:
SPIE
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; Glancing-angle deposition; GLAD; laser damage; thin film; scatter

Citation Formats

Oliver, James B., Smith, Chris, Spaulding, John, Foster, Justin, Hoffman, Brittany N., Papernov, Semyon, Kessler, Terry J., and MacNally, Sara. Fabrication of a glancing-angle-deposited distributed polarization rotator for ultraviolet applications. United States: N. p., 2018. Web. doi:10.1117/12.2312646.
Oliver, James B., Smith, Chris, Spaulding, John, Foster, Justin, Hoffman, Brittany N., Papernov, Semyon, Kessler, Terry J., & MacNally, Sara. Fabrication of a glancing-angle-deposited distributed polarization rotator for ultraviolet applications. United States. https://doi.org/10.1117/12.2312646
Oliver, James B., Smith, Chris, Spaulding, John, Foster, Justin, Hoffman, Brittany N., Papernov, Semyon, Kessler, Terry J., and MacNally, Sara. Tue . "Fabrication of a glancing-angle-deposited distributed polarization rotator for ultraviolet applications". United States. https://doi.org/10.1117/12.2312646. https://www.osti.gov/servlets/purl/1457134.
@article{osti_1457134,
title = {Fabrication of a glancing-angle-deposited distributed polarization rotator for ultraviolet applications},
author = {Oliver, James B. and Smith, Chris and Spaulding, John and Foster, Justin and Hoffman, Brittany N. and Papernov, Semyon and Kessler, Terry J. and MacNally, Sara},
abstractNote = {Glancing-angle–deposited thin films are used to fabricate half-wave plates in a 1-D striped geometry, forming alternating regions of linearly polarized light on a single 100-mm-diam substrate. MgO is selected for fabricating the birefringent films for use in vacuum, based on its formation of isolated columns that avoid potential tensile-stress failure of the porous film. While large-area tests have shown high defect densities for fluences <10 J/cm2, small-spot laser-damage testing has shown resistance to fluences up to 30 J/cm2 (351-nm, 5-ns pulse). Here, an amorphous silica film is investigated to match the optical thickness in the intermediate regions in an effort to fabricate a polarization-control device to reduce focal-point modulation (“beam smoothing”) in high-intensity laser systems. Ongoing efforts to improve the laser-damage threshold and minimize optical losses caused by scatter are essential to realizing a practical device. Scalability of the process to meter-scale substrates is also explored.},
doi = {10.1117/12.2312646},
journal = {Proceedings of SPIE - The International Society for Optical Engineering},
number = ,
volume = 10691,
place = {United States},
year = {Tue Jun 05 00:00:00 EDT 2018},
month = {Tue Jun 05 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 1 work
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Figures / Tables:

Figure 1 Figure 1: Large-aperture DPR, with alternating regions of half-wave retardance and no retardance, yielding orthogonal linear polarization regions.

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Works referenced in this record:

Stress compensation in hafnia/silica optical coatings by inclusion of alumina layers
journal, January 2012

  • Oliver, J. B.; Kupinski, P.; Rigatti, A. L.
  • Optics Express, Vol. 20, Issue 15
  • DOI: 10.1364/OE.20.016596

Glancing-angle–deposited magnesium oxide films for high-fluence applications
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  • Optical Materials Express, Vol. 6, Issue 7
  • DOI: 10.1364/OME.6.002291

Thin film retardation plate by oblique deposition
journal, January 1989


Structural and Chemical Characterization of Aligned Crystalline Nanoporous MgO Films Grown via Reactive Ballistic Deposition
journal, April 2002

  • Dohnálek, Z.; Kimmel, Greg A.; McCready, David E.
  • The Journal of Physical Chemistry B, Vol. 106, Issue 14
  • DOI: 10.1021/jp013801c

Electron-beam–deposited distributed polarization rotator for high-power laser applications
journal, January 2014

  • Oliver, J. B.; Kessler, T. J.; Smith, C.
  • Optics Express, Vol. 22, Issue 20
  • DOI: 10.1364/OE.22.023883

Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.