9 Questions 17 Answers 0 Followers
Questions related from Himamaheswara Rao Mahesh
Glasses with certain composition of different chemical compounds forms in a specific range only. Beyond the range it will be difficult to form the glass in normal melt quenching. is there any...
11 November 2014 9,729 4 View
I am getting negative absorbance for my glass samples in UV- Vis spectrum. How it is possible to get negative absorbance. Is there any meaning to get negative absorbance? Otherwise is it system...
10 October 2014 3,161 19 View
It is difficult to find the exact absorption edge for my UV-Vis spectrum as it is having wide hump in the UV region. Then how to estimate the absorption edge?
08 August 2014 3,302 4 View
The velocity of light of particular wavelength may vary as it is going deep in the nonlinear optical materials. If it is like that what is the reason for that?
07 July 2014 3,648 10 View
Calculation of energy band gap or optical obsorption from UV-Vis spectrum is possible. Is there any relation between these parameters with refractive index for glass samples? My glass samples are...
07 July 2014 7,839 6 View
Recently some papers reported with I-scan to evaluate the nonlinearity of the materials. What are the advancements through the I-scan technique?
05 May 2014 8,500 2 View
During synthesis of glasses I get samples with opaque structure. I need to measure the refractive index of that samples in visible or infrared region. What is the method that can be used to...
04 April 2014 1,947 9 View
What is the phenomena for the glasses to possess both direct and indirect band gaps?
04 April 2014 1,035 4 View
We have a variable angle ellipsometer from Holmarc in our lab and need to measure the refractive index of glass samples. But we are in confusion to align primary adjustments. Please help us by...
04 April 2014 8,123 1 View