Ankit Singh

4 Questions 7 Answers 0 Followers

Questions related from Ankit Singh

What are properties of a random ensemble preserved after a fourier transform (or in general a linear transform)?

Is there any property related to a random ensemble (such as gaussian or circular ensembles) which are preserved even after a Fourier transformation? tag :- Random matrix theory

26 October 2018 5,983 0 View

How is a surface plasmon(SP) resonance different from Surface plasmon Polariton(SPP)?

I know that SP is an electrostatic case and an asymptotic limit of SPP in which K=0 i.e modes turn out to be longitudinal. But still the geometric picture for it is not clear to me. Also why can't...

25 June 2015 2,814 7 View

Why can't a plane wave excite the modes of "whispering gallery" in micro dielectrics spheres??

I have gone through some of the articles on whispering gallery modes which talks about exciting the modes through prism coupling, taper fiber and others.. But i could not find any article on...

20 June 2015 1,296 5 View

How can one model focused beam in comsol?

I am trying to model scattering of focused light beam(not gaussian) by particles in COMSOL using a wave optics module if someone could provide a help.

17 May 2015 3,868 1 View