A 10λ wide Gaussian beam is incident at 30 degrees from air onto a lossless medium with dielectric constant 9.0. What is the angle of reflection?
Do the bands of a photonic crystal (or semiconductor) ever cross? If not, why not? If so, is there any special physical phenomenon that occurs at the crossing? And...if two bands cross, how do...
01 February 2018 8,465 4 View
07 August 2017 5,179 13 View
04 May 2017 7,743 5 View
01 February 2017 10,043 2 View
I am working with a team to explore some new concepts for integrated optical waveguides that may significantly improve bend loss and coupling into and out of the waveguides. We are looking most...
11 December 2015 2,836 4 View
31 December 2014 7,347 5 View
Almost any electromagnetics textbook will have a chapter on waveguides, usually starting with rectangular metal waveguides. The concept of TE and TM modes are presented where certain field...
05 June 2014 6,778 11 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...
02 March 2021 4,910 3 View
(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...
02 March 2021 3,309 2 View
I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...
28 February 2021 298 3 View
The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...
27 February 2021 947 7 View
Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...
24 February 2021 8,856 3 View
No streamlines present means whether the flow is getting obstructed there and the velocity inside the region is zero? Or else, the fluid is trapped inside that region with a nonzero velocity?...
22 February 2021 5,249 10 View
Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...
21 February 2021 7,260 4 View
When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...
21 February 2021 3,198 2 View
I am trying to simulate a simplified version of a beam resting on 10 points using Abaqus. The solutions I want to obtain are the Reaction Forces in each resting point or area when applying a...
21 February 2021 3,075 2 View