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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 4 — Feb. 1, 2014
  • pp: A229–A236

Athermal compensation of the stress-induced surface deflection of optical coatings using iso-admittance layers

Frédéric Lemarquis  »View Author Affiliations

Applied Optics, Vol. 53, Issue 4, pp. A229-A236 (2014)

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Mechanical stress in optical thin films can induce surface deflection of optical coatings. In the case of a substrate coated on both sides, a method is proposed which can provide perfect cancellation of this deflection, independently of the deposition process or any other external parameter, such as the temperature sensitivity of the mechanical stress. It is straightforward to implement this method, based on iso-admittance layers, since the thickness of such layers can be used to freely compensate for deflection effects only, without having any influence on the film’s optical properties. This method is illustrated by two possible solutions for the design problem B from the Optical Interference Coatings (OIC) 2013 meeting.

© 2014 Optical Society of America

OCIS Codes
(310.1620) Thin films : Interference coatings
(310.6870) Thin films : Thin films, other properties
(310.4165) Thin films : Multilayer design
(310.4925) Thin films : Other properties (stress, chemical, etc.)
(310.5696) Thin films : Refinement and synthesis methods
(310.6805) Thin films : Theory and design

Original Manuscript: September 20, 2013
Manuscript Accepted: November 15, 2013
Published: January 3, 2014

Frédéric Lemarquis, "Athermal compensation of the stress-induced surface deflection of optical coatings using iso-admittance layers," Appl. Opt. 53, A229-A236 (2014)

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