In the current study, i am studying about the grating layers made of semiconductor materials in the template of multi-layer thin films. I am enthusiastic to know whether a grating layer can be impressive in the filtering properties of incident light towards the studied specimen?. If yes, "how a grating layer can lead to the filtering properties"?.
With regards, Naser
Dear Naser
The distributed bragg reflector (DBR)theory governs the filtering properties of grating layer.
Best regards,
M.K.Omrani
Hi Naser, I don't quite understand what you are after and what your specimen is: a periodic multilayer like an optical diffraction grating? In this case the theory would be relatively straight forward and can be found in most standard textbooks on optics. Basically, you only need to understand Fourier transforms and a bit of dielectric theory. If the layers are nor perfectly periodic, eg. as in quantum cascade lasers, then things start to become a little more interesting (and complicated).
Thanks for your prompt reply Mr. Walther
Unfortunately i am not in a position to disclose the exact characteristics of this specific specimen. However, as you mentioned, it can be interpreted as an optical diffraction grating. Accordingly, i would be grateful if you recommend any related articles or textbooks that might be helpful to clarify its impression on the filtering properties a bit experimental without considering the complicated theory of it.
with regards,
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