Nabarun Saha

5 Questions 7 Answers 0 Followers

Questions related from Nabarun Saha

Is it possible to achieve sub nano-meter thickness control in sputtering deposition of silica ?

If I want to deposit silica or GeO2 doped silica by sputtering deposition technique how much thickness control I can achieve ? Is it possible to achieve sub nano-meter thickness control in...

21 February 2018 7,799 2 View

How the photo-sensitivity of P2O5 doped silica and GeO2 doped silica depends on the concentration of P2O5 and GeO2 respectively ?

It is known that silica (SiO2) becomes photosensitive when it is co-doped with GeO2 or P2O5. How the photo-sensitivity depends on the concentration of P2O5 or GeO2 ? If I keep the exposed time of...

31 October 2017 165 2 View

Out of Gold and Silver which one shows a better adhesion to silicon dioxide substrate?

I want to coat a silicon dioxide (SiO2) layer by gold or silver. Can someone please let me know which one would be better one in terms of adhesion to the SiO2 surface?

30 July 2017 6,611 7 View

What is the difference between EH and HE mode of an optical step index fiber ?

There are basically two types of hybrid modes in a step-index fiber, denoted as EH and HE. In both cases all the six field components (three E-field components and three H-field components) are...

16 June 2017 8,471 1 View

Using COMSOL is it possible to calculate the modal overlap between two different modes in the core of a ridge waveguide?

Using COMSOL I am trying to find out modal overlap between TE00 and TE20 mode, only in the core area of a ridge geometry. It will be helpful if someone can provide me any hint to solve it out...

21 May 2017 7,057 2 View