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Title: Cooler for optics transmitting high intensity light

Abstract

A system and an apparatus having an optic and a cooling system for cooling the optic. In one example an optically addressed light valve forms the optic. The cooling system includes first and second windows on opposing surfaces of the optically addressed light valve which constrain a cooling fluid to flow over the opposing surfaces. The fluid pressure outside the optically addressed light valve is low enough that it does not compress a liquid crystal gap of the optically addressed light valve. The cooling fluid is also transparent to a high powered light beam which is projected through the first and second windows, and also through the optically addressed light valve, during an additive manufacturing operation.

Inventors:
; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1735165
Patent Number(s):
10,747,033
Application Number:
15/010,188
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 01/29/2016
Country of Publication:
United States
Language:
English

Citation Formats

Demuth, James A., Duoss, Eric B., Kuntz, Joshua D., Rosso, Paul A., and Spadaccini, Christopher M. Cooler for optics transmitting high intensity light. United States: N. p., 2020. Web.
Demuth, James A., Duoss, Eric B., Kuntz, Joshua D., Rosso, Paul A., & Spadaccini, Christopher M. Cooler for optics transmitting high intensity light. United States.
Demuth, James A., Duoss, Eric B., Kuntz, Joshua D., Rosso, Paul A., and Spadaccini, Christopher M. 2020. "Cooler for optics transmitting high intensity light". United States. https://www.osti.gov/servlets/purl/1735165.
@article{osti_1735165,
title = {Cooler for optics transmitting high intensity light},
author = {Demuth, James A. and Duoss, Eric B. and Kuntz, Joshua D. and Rosso, Paul A. and Spadaccini, Christopher M.},
abstractNote = {A system and an apparatus having an optic and a cooling system for cooling the optic. In one example an optically addressed light valve forms the optic. The cooling system includes first and second windows on opposing surfaces of the optically addressed light valve which constrain a cooling fluid to flow over the opposing surfaces. The fluid pressure outside the optically addressed light valve is low enough that it does not compress a liquid crystal gap of the optically addressed light valve. The cooling fluid is also transparent to a high powered light beam which is projected through the first and second windows, and also through the optically addressed light valve, during an additive manufacturing operation.},
doi = {},
url = {https://www.osti.gov/biblio/1735165}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {8}
}

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Image recording apparatus using the grating light valve
patent, October 2004


Laser-directed fabrication of full-density metal articles using hot isostatic processing
patent, June 1997


Cooling and air flow exhaust for image projection apparatus
patent, November 2012


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System and method for high power diode based additive manufacturing
patent, April 2016


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patent, April 2001


Methods and system for controlled laser-driven explosive bonding
patent, November 2015


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patent, March 2009


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patent, November 1998


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patent, July 1990


Split-flow laser cooling cavity
patent, August 1999


Multiple material systems for selective beam sintering
patent, January 1995


Laser system chiller
patent, June 2016


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patent, January 1981


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patent, August 2001


System and method for high power diode based additive manufacturing
patent, January 2018


Liquid crystal display for projection systems
patent, October 1993