Reputation
2,893
Top tag
Next privilege 3,000 Rep.
Cast close & reopen votes
Badges
14 26
Impact
~208k people reached

Feb
27
comment Why are optical parametric oscillator so big?
Q also plays a role (because more round trips and so more loss) but I meant something much more basic: it's more difficult to physically twiddle the knobs that control the cavity length to get the pulses to overlap! Since, for example, if N = 4, then a small adjustment will have a 4x higher effect, and it's harder to hit your target exactly.
Feb
26
answered Why are optical parametric oscillator so big?
Feb
16
comment Can radio waves be formed into a pencil beam?
Please ask a new question; you'll get better answers, because nobody will find your question here as an addendum to this topic!
Jan
15
comment How to sketch transmission of ht eMZI in frequency domain?
I think "ht eMZI" is a typo for "the MZI" (i.e. MZI = Mach-Zehnder interferometer).
Dec
1
comment what is the theoretical reason behind the new paper, Highly tunable hybrid metamaterials employing split-ring resonators built using graphene?
Sorry, I don't; just a passing edit, hoping that an easier-to-read question would get you more attention.
Dec
1
revised what is the theoretical reason behind the new paper, Highly tunable hybrid metamaterials employing split-ring resonators built using graphene?
readability
Nov
27
awarded  Nice Question
Nov
2
awarded  Yearling
Oct
31
answered Which coefficients are needed to numerically obtain transmission spectrum?
Aug
28
revised How is the virtual image reconstructed from a hologram?
texify
Aug
13
answered Blazed phase profile to generate laguerre gaussian beam
Aug
11
comment Can someone please explain extraordinary optical transmission (EOT)?
That paper is also behind a paywall. But my thoughts on the matter are that diffraction and surface plasmons are the same thing, in the end. Diffraction at the edges causes some light to enter a surface plasmon mode.
Aug
10
comment Transmission of light, sub-wavelength apertures, and cut-off frequencies
I don't know of any free waveguide resource, but Wikipedia is always a good place to start. If you have another question then it's best to open a new question so that others can discover it as well. However, the short answer is that the propagation constant depends on the metal, the aperture medium, and the geometry of the aperture.
Aug
9
answered Laser: Looking for name for optical component
Aug
9
answered Transmission of light, sub-wavelength apertures, and cut-off frequencies
Aug
9
answered Can someone please explain extraordinary optical transmission (EOT)?
Aug
9
comment Blazed phase profile to generate laguerre gaussian beam
Mathematically? Or literally, how to manufacture it?
Jul
14
awarded  Notable Question
Jun
13
comment Momentum change of a photon upon diffraction at a grating
That would be explained in the answer that I originally thought was a duplicate of this one. The wave vector is modified when the light is diffracted by the grating.
Jun
13
answered Momentum change of a photon upon diffraction at a grating