NDLI: Nanostructured polymeric optical limiter materials

Content Provider	IEEE Xplore Digital Library
Author	Flom, S.R. Carlo, S.R. Shirk, J.S. Pong, R.G.S. Hiltner, A. Baer, E.
Copyright Year	2002
Description	Author affiliation: Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA (Flom, S.R.; Carlo, S.R.; Shirk, J.S.; Pong, R.G.S.)
Abstract	Summary form only given. A new type of nonlinear nano-layered polymeric optical limiter material is described. The specific materials described here comprise 4096 alternating polymer layers with an average layer thickness of about 90 nm and another with an average layer thickness near 31 nm. A nonlinear response is introduced by including an appropriate dye in alternate polymer layers. The nonlinear nano-layered materials possess a modulation in the nonlinear refractive index in the direction normal to the surface. When the layer thickness is approximately a quarter wavelength, the new materials correspond to a dielectric stack where the refractive index difference between the layers is intensity dependent. Such materials have several uses including particular optical limiting. Several nano-layered materials using optical limiter dyes in alternate layers were fabricated. The response time for the reflectivity change in a 91 nm nanolayered polymer dyed with PbPc(CP)/sub 4/ was of the order of 1 picosecond.
Sponsorship	IEEE/Lasers & Electro-Opt. Soc. OSA-Opt. Soc. America Quantum Electron. Div. Eur. Phys. Soc. Opt. Soc. Japanese Quantum Electron. Joint Group
Starting Page	570
Ending Page	571
File Size	252797
Page Count	2
File Format	PDF
ISBN	1557527067
DOI	10.1109/CLEO.2002.1034337
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Optical Soc. of America
Subject Keyword	Dielectric materials Refractive index Optical variables control Optical materials Optical refraction Optical modulation Nanostructured materials Nonlinear optics Optical polymers Optical surface waves
Content Type	Text
Resource Type	Article

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