Are opthalmic Hydrophobic coatings useful for astronomical optics?

Christian Schwab*, Andrew C. Phillips

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

1 Citation (Scopus)

Abstract

Astronomical optics are often exposed to moisture and dust in observatory environments, which frequently compromises their high-performance coatings. Suitable protective layers to resist dust and moisture accumulation would be extremely advantageous, but have received scant attention thus far. Hydrophobic and scratch-resistant coatings, developed primarily for opthalmic use, exhibit several attractive properties for astronomical optics. We examine the properties of one such coating and its applicability to astronomical mirrors and lenses. This includes efficiency of dust removal, abrasion resistance, moisture resistance, ease of stripping, and transmission across a wide wavelength range.

Original languageEnglish
Title of host publicationModern Technologies in Space- and Ground-Based Telescopes and Instrumentation
EditorsEli AtadEttedgui, Dietrich Lemke
Place of PublicationWashington, DC
PublisherSPIE
Pages1-8
Number of pages8
Volume7739
ISBN (Print)9780819482297
DOIs
Publication statusPublished - 2010
Externally publishedYes
EventModern Technologies in Space- and Ground-Based Telescopes and Instrumentation - San Diego, CA, United States
Duration: 27 Jun 20102 Jul 2010

Other

OtherModern Technologies in Space- and Ground-Based Telescopes and Instrumentation
CountryUnited States
CitySan Diego, CA
Period27/06/102/07/10

Keywords

  • Mirror cleaning
  • Mirror coatings
  • Mirror protection
  • Optical coatings
  • Sol-Gel

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