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mohajeri nav S, Mohajerani E, Sharifimehr M R, Kouhkan M. Fabrication of Long Period Grating on Azo Dye-doped Polymer Waveguide Using Photobleaching Method. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :1325-1328
URL: http://opsi.ir/article-1-767-en.html
URL: http://opsi.ir/article-1-767-en.html
Abstract: (4008 Views)
In this article, for grating fabrication, the waveguide core refractive index is modulated using diode laser with 473 nm wavelength and the photobleach phenomenon, using this method, grating with pitch size in order of 100 micrometers was fabricated using point-by-point writing method. In order to fabrication of waveguide core and cladding, PMMA-DR1 guest-host system and PVA polymer is used, respectively. After fabrication of grating on waveguide, light is coupled into the waveguide using a prism and transmission spectrum of the fabricated grating was investigated using a spectrometer.The advantages of this experimental work is inexpensive and easy to build.
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