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Questions related from Hari Krishna
Considering a Hermite-Gaussian (HG) Beam as a perfectly plane wave and ignoring the phase due to curvature(exp(ik(x^2+y^2/2R)), the phase of lobes is pi phase shifted from its neighbor. When we...
05 May 2017 405 6 View
if a full image is cropped to some extent, leaving the unwanted area, does the pixel color value change? does it remain same before and after cropping or any changes takes place in pixel value? If...
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In an image I have to set colormap as gray, and I need the min color to be white and max color to be gray. by default min color is black and max color is white. How can I customize this using a...
03 March 2015 2,072 7 View
What is the major difference between optical band gap and photonic band gap? Optical band gap has the same units as that of energy band gap while photonic band gap is the range of forbidden...
03 March 2015 3,796 10 View
I came across the soft and hard sources in FDTD formulation. What is the difference between them and which one is more helpful? While writing a code if I use these sources, it is a two way source....
02 February 2015 9,357 4 View
in order to implement 1D FDTD without error we should consider Perfect magnetic conductor(PMC) at the beginning of the grid and perfect electric conductor (PEC) at the end of the grid.but...
12 December 2014 4,776 4 View
TE modes have no electric field in the direction of propagation and the TM mode has no magnetic field in the direction of propagation. Generally, the field should be perpendicular to the direction...
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