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ICOP & ICPET 2014, 20 - : 305-308 Back to browse issues page
Identification of precious natural crystals using laser induced fluorescence technique
Parviz Parvin Professor * 1, Mahdieh Masoodirad Mrs2, Ali Bavali Mr1, Vajiheh Daneshafrooz Mrs1, Parvaneh Aghaei Mrs1
1- Amirkabir university of technology
2- Science Department, Islamic Azad University, Central Branch, Tehran, Iran
Abstract:   (9387 Views)
In this study, using laser induced fluorescence technique, the fluorescence spectrum of crystalline natural stones such as emeralds, rubies and Amethyst has been investigated. Third harmonic of Nd: YAG laser at the wavelength of 532 nm and 405 nm blue diode is used to excite the stones. Our results indicate that the fluorescence spectra of different crystals are distinguishable from each other as well as natural crystals from the artificial ones.
Keywords: Precious crystals, Laser Induced Fluorescene
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Type of Study: Research | Subject: Special
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Parvin P, Masoodirad M, Bavali A, Daneshafrooz V, Aghaei P. Identification of precious natural crystals using laser induced fluorescence technique. ICOP & ICPET. 2014; 20 :305-308
URL: http://opsi.ir/article-1-165-en.html

Volume 20 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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