Laser processing of sol-gel coatings for infrared applications

Guanming Li; Larry W. Burggraf

doi:10.1117/12.279164

2 October 1997 Laser processing of sol-gel coatings for infrared applications

Guanming Li, Larry W. Burggraf

Proceedings Volume 3136, Sol-Gel Optics IV; (1997) https://doi.org/10.1117/12.279164
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A new laser processing technique was proposed and demonstrated for producing high-temperature sol-gel coatings on substrates like ZnSe or chalcogenide infrared fibers which cannot be exposed to relatively high temperatures involved in most sol- gel processes. Our approach is similar to the 'indirect writing' technique except that an air gap is inserted between the sol-gel coating and the light absorber so as not to affect the optical coating. Our processing technique integrates optical sol-gel coatings having tailored properties of porosity, surface area, and surface affinity with substrate materials used for integrated and fiber optic infrared technologies such as optical sensors.

Citation Download Citation

Guanming Li and Larry W. Burggraf "Laser processing of sol-gel coatings for infrared applications", Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); https://doi.org/10.1117/12.279164

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