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Questions related from M. Reza Dousti
I have faced similar problem in different spectrometers and hear a lot also about it from various researchers. Now I am wondering if any option can lit!
09 July 2015 4,645 2 View
I could clearly observe that opening the slit widths (any of excitation or emission slits) can intensify the luminescence line. However, I am not sure if it causes also other effects such as...
03 July 2015 5,175 2 View
In particular, we have a x=(Omega4)/(Omega6) called as quality factor. In Nd3+ and Er3+ doped glasses, crystals etc, how one can evaluate its laser capability by calculating these Judd-Ofelt...
03 April 2015 5,848 7 View
A reviewer mentioned that: ". For such class of the glasses (tungsten-phosphate glass) principal role begin to play the space charge density distribution. Please evaluate its space distribution."
03 March 2015 9,572 3 View
In this paper, he predicts the energy transfer from Dy3+ ions to Tb3+ ions in a non-resonance excitation of Tb-Dy co-doped system. Why did he not attribute any excitation to the Tb3+ ions in the...
22 September 2013 152 3 View
The laser beam can heat the sample if your experiment takes longer time! Since the PL intensity highly depends on the sample temperature, there should be further nonradiative decays, and losses...
15 August 2013 5,437 3 View
References: 1) N.F. Mott, E.A. Davis, Philos. Mag. 28 (1970) 903. 2) F. Urbach, Phys. Rev. 92 (1953) 1324.
03 April 2013 4,097 1 View