Self-written waveguide in methylene blue sensitized poly(vinyl alcohol)/acrylamide photopolymer material

Self-written waveguide in methylene blue sensitized poly(vinyl alcohol)/acrylamide photopolymer material

We report the observation of a self-written waveguide inside a bulk methylene blue sensitized poly/vinyl alcohol)/acrylamide photopolymer material. Light from a low power He-Ne laser is focused into the material, and the evolution of the beam is monitored. The refractive index of the material is mod...

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Veröffentlicht in:Applied Optics 2008-12, Vol.47 (35), p.6502-6507
Hauptverfasser: Jisha, C P, Kishore, V C, John, Beena Mary, Kuriakose, V C, Porsezian, K, Kartha, C Sudha
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container_end_page 6507
container_issue 35
container_start_page 6502
container_title Applied Optics
container_volume 47
creator Jisha, C P
Kishore, V C
John, Beena Mary
Kuriakose, V C
Porsezian, K
Kartha, C Sudha
description We report the observation of a self-written waveguide inside a bulk methylene blue sensitized poly/vinyl alcohol)/acrylamide photopolymer material. Light from a low power He-Ne laser is focused into the material, and the evolution of the beam is monitored. The refractive index of the material is modulated in the region of high intensity due to photobleaching and photopolymerization effects occurring in the material. As a result, the beam propagates through the medium without any diffraction effects.
doi_str_mv 10.1364/AO.47.006502
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title Self-written waveguide in methylene blue sensitized poly(vinyl alcohol)/acrylamide photopolymer material
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