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:
-
- 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}
}
Web of Science
Figures / Tables:
Works referenced in this record:
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Figures / Tables found in this record: