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Dye-doped sol-gel coatings for near-infrared laser protection

Published online by Cambridge University Press:  31 January 2011

T. Kololuoma ,
J. A. I. Oksanen ,
P. Raerinne  and
J. T. Rantala
T. Kololuoma
Affiliation:
VTT/Electronics, P.O. Box 1100, Fin-90570 Oulu, Finland
J. A. I. Oksanen
Affiliation:
Defence Forces Research Institute of Technology, Weapons Technology Section, P.O. Box 5, Fin-34111 Lakiala, Finland
P. Raerinne
Affiliation:
Defence Forces Research Institute of Technology, Weapons Technology Section, P.O. Box 5, Fin-34111 Lakiala, Finland
J. T. Rantala
Affiliation:
VTT/Electronics, P.O. Box 1100, Fin-90570 Oulu, Finland
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Abstract

Sol-gel technology was used to fabricate two types of near-infrared absorbing dye-doped polyceram coatings for eye protection purposes against laser radiation. Tolerance of polycarbonate visors against mechanical and chemical stresses may be enhanced by using these coatings. The visible light transmission maxima of high-quality 35 and 25 μm-thick spray-coated polyceram coatings were 70% and 90% for methacrylic and propyl functionalities, respectively. Optical densities at 1064 nm were 4 and 2.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 16 , Issue 8 , August 2001 , pp. 2186 - 2188
Copyright
Copyright © Materials Research Society 2001

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References

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