Harish Sasikumar

3 Questions 9 Answers 0 Followers

Questions related from Harish Sasikumar

Is coherent laser source mandatory for optical spectroscopy?

Is there any problem in using a tunable filter & a broad band LED ? Low power spectral density of LED might be a problem. But what if I am allowing a broader bandwidth for the filter and...

03 March 2014 1,949 12 View

Why is radiation pressure independent of frequency, when the momentum of a photon is proportional to its frequency?

The momentum of a photon is proportional to its frequency. But the radiation pressure is independent of frequency (for a monochromatic plane wave, average of poynting vector is, = 1/2 epsilon c...

07 July 2013 1,769 4 View

How to conclusively get the reflection spectra from transmission characteristics of a Bragg Grating on a waveguide?

It would be a great help, if someone can help me out in this topic: I have a Bragg grating structure fabricated on a waveguide. In the transmission spectrum, a notch was obtained. How can I get...

07 July 2013 5,001 2 View