Pradeep kumar Vasudevan

6 Questions 2 Answers 0 Followers

Questions related from Pradeep kumar Vasudevan

Whether absorption cross section always follow the absorption coefficient?

in the case of two-photon and three-photon absorption, in most of the papers, the absorption cross-section values follow with absorption coeffcint. whether is there any exceptional case is there?...

21 June 2021 6,283 2 View

What is the effect of absorption of IR by water while laser ablation of a target?

I am preparing gold nano particles by laser ablation with water as medium. The wavelength of laser is IR range.But water absorb IR wavelength. So I like to know the effect of IR absorption by...

17 January 2018 6,165 4 View

Why Zinc oxide is naturally n type and nickel oxide is naturally p type semiconductors ?

why ZnO acquire n type behavior regardless the fabrication method similar to the p type behavior of NiO nano particles. I like to know about the physics behind it.

30 December 2017 690 14 View

Suggest good capping agent for the preparation of nickel oxide nanoparticles

currently i am working on preparation and characterization of nickel oxide nano particles. can anyone suggests good capping agent to enhance the optical properties of NiO nano particles

14 August 2017 9,192 3 View

How to measure the photoresponsivity of photodiode

I have a graph relating the applied wavelength of light and photo current. How can i find out the photoresponsivity.

05 June 2017 5,432 6 View

What is the impact of cation and anion of nano particle to the nonlinear absorption coefficient?.

what may the effect of nonlinear absorption coefficient with respect to the increase of cation vacancies in a material, in general. what can be the possibility of increasing nonlinear absorption...

01 January 1970 3,902 0 View