Optimum design and experimental verification of glue bonding area and thickness for an eight-inch reflective mirror

Chia Yen Chan, Yi Cheng Chen, Ting Ming Huang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Effects of glue bonding area and bonding thickness on an eight-inch BOROFLOAT® reflective mirror have been studied numerically and experimentally. The comparison of optical aberrations under the self-weight loading and temperature difference has also been investigated. RTV566 has been selected to bond the mirror with on a ring support mount. The optimum glue bonding area and bonding thickness for isolating the temperature variation have been obtained through a design optimization process and then been used practically. A laser interferometer with a wavelength of 632.8 nm has been used to observe the optical path difference pattern and aberrations. The influence of ambient temperature on the mirror with the optimum glue bonding area and thickness has been carried out. It is concluded that the optimum design of the glue for isolating the temperature variation has been attained numerically and verified successfully with the experimental observations.

Original languageEnglish
Title of host publicationOptical Modeling and Performance Predictions VIII
EditorsMark A. Kahan, Marie B. Levine-West
PublisherSPIE
ISBN (Electronic)9781510602984
DOIs
StatePublished - 2016
EventOptical Modeling and Performance Predictions VIII - San Diego, United States
Duration: 31 Aug 20161 Sep 2016

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9953
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptical Modeling and Performance Predictions VIII
Country/TerritoryUnited States
CitySan Diego
Period31/08/161/09/16

Keywords

  • Finite element analysis
  • Glue bonding
  • Reflective mirror
  • Surface deformation
  • Zernike polynomial fitting

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