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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 841-844 |
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Ghasempur ardakani A, Rafieipour P. Fabrication of a random laser based on a tape and rhodamine 6G solution. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :841-844
URL: http://opsi.ir/article-1-1671-en.html
URL: http://opsi.ir/article-1-1671-en.html
1- Department of Physics, College of Science, Shiraz University, Shiraz, Iran
Abstract: (1579 Views)
In this paper, a random laser is fabricated based on a tape as the scattering medium and rhodamine 6G solution as the gain medium. We experimentally investigate the random lasing emission from this sample. Low cost and availability of the tape causes this material to be a good candidate for fabrication of random lasers. Up to our knowledge, the fabrication of a random laser based on the tape is reported in this paper, for the first time. Holes and bumps which are existed on the surface of the tape lead to the multi-scattering of light and provide the essential optical feedback for random lasing emission. Here, optical gain is provided by rhodamine 6G solution via stimulated emission process. Experimental results demonstrate the random lasing emission from the sample. Also, we measure its threshold pump energy. In addition, the emitted wavelength is red shifted by increasing the pump energy. This effect can be applied for tuning the random lasing emission.
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