Preparation of dielectrics HR mirrors from colloidal oxide suspensions containing organic polymer binders

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Colloidal suspensions of oxides have been used to prepare dielectric HR (high reflective) mirrors, specifically for high power fusion case applications, on substrates up to 38 cm square using a meniscus coater. These coatings consist of porous quarterwave layers of alternating high and low refractive index oxides. Silica was used as the low index oxide and AlOOH, ZrO{sub 2}, or HfO{sub 2} as the high index material. Coatings were weak because of low particle-to-particle adhesion. Use of organic polymer binders in the high index component was found to increase strength, thereby improving the laser damage threshold and also reducing the ... continued below

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6 p.

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Thomas, I.M. July 19, 1994.

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Colloidal suspensions of oxides have been used to prepare dielectric HR (high reflective) mirrors, specifically for high power fusion case applications, on substrates up to 38 cm square using a meniscus coater. These coatings consist of porous quarterwave layers of alternating high and low refractive index oxides. Silica was used as the low index oxide and AlOOH, ZrO{sub 2}, or HfO{sub 2} as the high index material. Coatings were weak because of low particle-to-particle adhesion. Use of organic polymer binders in the high index component was found to increase strength, thereby improving the laser damage threshold and also reducing the number of layers required for 99% reflection due to increased refractive index.

Physical Description

6 p.

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INIS; OSTI as DE96050347

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  • Annual meeting of the Society of Photo-Optical Instrumentation Engineers, San Diego, CA (United States), 24-29 Jul 1994

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  • Other: DE96050347
  • Report No.: UCRL-JC--115940
  • Report No.: CONF-940723--46
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 369647
  • Archival Resource Key: ark:/67531/metadc683031

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  • July 19, 1994

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 17, 2016, 3:36 p.m.

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Thomas, I.M. Preparation of dielectrics HR mirrors from colloidal oxide suspensions containing organic polymer binders, article, July 19, 1994; California. (digital.library.unt.edu/ark:/67531/metadc683031/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.