33 Questions 42 Answers 0 Followers
Questions related from Sumit Mishra
how is mvapack package more suitable for metabolites ?
07 July 2016 9,339 0 View
by seeing naked eye can we think, what is the behavior of laser beam ?
12 December 2015 1,013 12 View
by using Green function , the problems become easier or complicated ? what are the applications to use this Green function ?
10 October 2015 541 4 View
I want to ask about random lasers in which there is no cavity, so how we can achieve population inversion for lasing action ?
09 September 2015 4,735 12 View
how we can correlate them ?
09 September 2015 7,925 8 View
is it possible to make a laser which have lasing transition in between 4 to 3 level or 5 to 4 level ?
08 August 2015 9,192 1 View
which principle / technique is used in this laser ? why they have more advantages ? in which research filed we can use them ?
07 July 2015 3,144 2 View
When we shine a laser beam to the both side of the mirror (silver coated and uncoated), I am not getting fringes. How can we recognise both the surfaces? Is there any problem with my technique ?
05 May 2015 7,092 18 View
As the atomic selection rules says that s to s transitions are not allowed i.e. there must be a change of the angular momentum ?
05 May 2015 6,433 5 View
We have two electrodes in a vacuum chamber and we applied a d.c. voltage . plasma formation is possible or not ? what will be the effect if we apply an a.c. voltage source ? what should be the...
04 April 2015 1,559 27 View
what are their (femto, pico second pulses ) advantages over nano pulses.
04 April 2015 2,133 6 View
I want to learn about different time zone laser ablation. what are the applications corresponds to these individually ?
04 April 2015 3,279 6 View
is it possible to generate attosecond pulses by using femtosecond set-up ? can you give me an experimental idea about this technique ?
04 April 2015 2,053 4 View
please give the principle and different techniques ? thanks
03 March 2015 9,918 8 View
the role of femtosecond and attosecond laser pulses in research ?
01 January 2015 4,278 3 View
is there any influence in band gap of glasses for the presence of intermediate or doping materials.
10 October 2014 9,850 3 View
What is the role of phonon energy in different glasses? What is the significance of low and high phonon energy in the different glassy system?
10 October 2014 6,525 8 View
Like borate ; phosphate ; tellurite ; chalcogenide ; vanadate glasses Is it phonon energy from theoretical or experimental point of view?
10 October 2014 7,806 5 View
In the Tauc relation: (hνα)1/n = A(hν - Eg) How does n vary for the glass system? Do the direct or indirect band gaps give the same value or different? What would be the choice of n?
10 October 2014 8,782 3 View
What is the significance of optical band gap in rare-earth-doped glasses?
10 October 2014 8,353 16 View
which is easy and best technique for glasses. either powder form or only glass form
09 September 2014 1,343 3 View
What is the meaning of diffuse and specular reflectance in the case of UV VIS when we are recording in the form of powders (glasses)?
09 September 2014 9,439 4 View
Which mode is prefered absorbance or reflectance mode and why? Can we also take the spectra in glass form by uv vis spectrophotometry ?
09 September 2014 3,259 1 View
In which form we take absorption spectra ? either in powder form or glass form ? by UV/VIS or any other techniques ?
09 September 2014 4,746 2 View
i want to know the experimental techniques and form of samples...powder form or solution form or glass form ...?
08 August 2014 5,687 8 View
rare earth doped glasses sample were polished by which material ?
08 August 2014 1,487 1 View
If we take uv/vis/nir of our samples then there are many peaks, from this data how we obtain the excitation wavelength ?
08 August 2014 669 9 View
Does ytterbium give emission in glasses when co-doping does not exist? If we doped only ytterbium in our samples what would be the excitation wavelength?
08 August 2014 5,225 5 View
Please give me the papers or links related to the fluorescence method / technique to rare earth doped glasses?
05 May 2014 3,987 6 View
If it is possible then what will be excitation wavelength for this system?
04 April 2014 6,764 3 View
Please tell me about these parameters.
04 April 2014 4,811 5 View
I have data for reflectance vs wavelength by uv vis nir. I want to calculate R∞ for our sample and after that I want to calculate K-M (Kubelka-Munk) function (f(R∞)).
04 April 2014 9,069 3 View
I found many research papers for different composition doped glasses. as binary, tertiary and so on. So I am confused in selecting a new composition for doped glasses.
04 April 2013 1,236 3 View
