M. Reza Dousti

5 Questions 7 Answers 0 Followers

Questions related from M. Reza Dousti

How might I avoid excitation stray lines in the luminescence measurements?

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 4,484 2 View

What is the effect of using large slit widths in luminescence spectroscopy?

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 5,137 2 View

How can I correlate the laser capability of a rare earth doped system with the Judd-Ofelt intensity parameters?

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 5,810 7 View

How do I evaluate the space charge density distribution of glasses?

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 9,536 3 View

How do you predict the energy transfer among rare earth ions?

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 117 3 View