Ophthalmic optical coatings: The real world can be more aggressive than you think

Mark Mildebrath; Karl Klemm

doi:10.1117/12.695863

15 January 2007 Ophthalmic optical coatings: The real world can be more aggressive than you think

Mark Mildebrath, Karl Klemm

Proceedings Volume 6403, Laser-Induced Damage in Optical Materials: 2006; 64030W (2007) https://doi.org/10.1117/12.695863
Event: Boulder Damage Symposium XXXVIII: Annual Symposium on Optical Materials for High Power Lasers, 2006, Boulder, Colorado, United States

Abstract

Ophthalmic antireflection coatings are not normally considered to be in the same category as other traditional optical coatings with respect to environmental damage. However, as a group, eyeglass lens wearers tend to subject their optical-coated eyewear to a broader and more aggressive range of environmental aggressions than at first imagined. This paper presents the environmental aggressions and, in some detail, the resultant coating defects observed in coated ophthalmic optics. Further, development of test methods for defect replication, to enable product improvements will be discussed. Real-life environments combine thermal, chemical, and mechanical "aggressions" which spectacle lenses are subjected to. These aggressions generate optical coating defects and failure modes involving abrasion, corrosion, and loss of adhesion. In addition, market forces driven by retail customer perceptions lead to product liabilities not normally considered to be of any consequence in traditional optical coating applications.

Citation Download Citation

Mark Mildebrath and Karl Klemm "Ophthalmic optical coatings: The real world can be more aggressive than you think", Proc. SPIE 6403, Laser-Induced Damage in Optical Materials: 2006, 64030W (15 January 2007); https://doi.org/10.1117/12.695863

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