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15 February 2012 Nonlinear wideband optical filters for laser protection applications
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With the development of more powerful lasers for applications, optical limiters and blockers are required for providing human eye and optical sensors protection. We report on passive optical power control devices based on a range of photonic nanostructures, including mainly nanostructures for spatial field localization to enhance optical nonlinearities. We present the two main optical power control mechanisms: blocking and limiting, as well as their corresponding nanoscale phenomena. We propose a dynamic protection to cameras, sensors and the human eye from laser threats.
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Ariela Donval, Karin Golding, Doron Nevo, Tali Fisher, Ofir Lipman, and Moshe Oron "Nonlinear wideband optical filters for laser protection applications", Proc. SPIE 8240, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI, 82401B (15 February 2012);

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