Jisha, C. P. ; Kishore, V. C. ; John, Beena Mary ; Kuriakose, V. C. ; Porsezian, K. ; Kartha, C. Sudha (2008) Self-written waveguide in methylene blue sensitized poly(vinyl alcohol)/acrylamide photopolymer material Applied Optics, 47 (35). pp. 6502-6507. ISSN 0003-6935
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Official URL: http://www.opticsinfobase.org/ao/abstract.cfm?uri=...
Related URL: http://dx.doi.org/10.1364/AO.47.006502
Abstract
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Optical Society of America. |
| ID Code: | 97655 |
| Deposited On: | 13 May 2013 10:54 |
| Last Modified: | 13 May 2013 10:54 |
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