Surendra Gupta

5 Questions 5 Answers 0 Followers

Questions related from Surendra Gupta

Why does the photocurrent density does not proportionally increase upon increasing the incident light intensity?

I have prepared a photocathode and carried out linear sweep voltammetry (LSV) measurements. When I increased the incident light intensity, the photocurrent has not increased proportionally. May...

01 January 2020 324 1 View

Analytical analysis to calculate diffraction efficiency for a rectangular grating structure on dielectric slab?

I need to solve the Maxwell's electromagnetic equations for the case of rectangular gratings on a dielectric slab and calculate the diffraction efficiency in each diffraction order at different...

03 March 2019 5,578 4 View

How to characterize the reflection spectrum of small structure samples?

I have fabricated a sample size of 40 micron x 40 micron using Electron beam lithography. I need to characterize the sample to obtain reflection and transmission spectrum of the fabricated...

08 August 2018 1,048 3 View

Why Lab* color model is used for evaluation of color difference but not RGB or HSV?

To calculate the difference between two colors, why it is required to use L*a*b* color model?

05 May 2018 3,457 0 View

What is the best method for deposition of thin copper films onto silicon with good adhesion?