Tagged Questions
3
votes
2answers
27 views
Concerning Scattering Intensity and Particle Concentration
I am trying to determine what governs my sensor output. I have an optical sensor that emits infrared radiation on a sample volume and gives me a voltage output from the scattering of (1 to 10 micron) ...
0
votes
0answers
60 views
Are EM waves scattered the most when the wavelength and the obstacle have a similar size?
I heard that when the wavelength and obstacle are similar in size, the scattering is the greatest. Is this true?
2
votes
2answers
953 views
If blue light has a higher energy than red light, why does it scatter more?
As $E=hf=\frac{hc}{\lambda}$, blue light - with a smaller wavelength - should have a higher energy. However, it is the case that blue light scatters the most. Why is it that higher energy rays scatter ...
2
votes
1answer
180 views
What is deep Fresnel region?
If I understand correctly, it has something to do with autocorrelation function, but can someone give me a definition or exact explanation?
In case of scattering, if you wish to analyze pattern with ...
6
votes
1answer
473 views
What does the Rayleigh Phase Function tell us
I am working on some radiative transfer equations, and struggling as I'm fairly new to this field. I have read about the Rayleigh Phase Function which is:
$P(\theta) = \frac{3}{4}(1 + cos^2 \theta)$
...
1
vote
2answers
790 views
How do you calculate the intensity of light around the focal point from a focused collimated beam of light?
Problem/Purpose of me asking this question to you people who know more than me:
So I'm doing a science project where I'm collimating a beam of light to a focus point in a light medium (water vapor or ...
6
votes
4answers
426 views
Far-field intensity from scattering of small particles
Howdy, I'm building a simulation for looking at the light field underwater. In order to verify my simulation, I'm looking for some data showing the far-field intensity that comes from single ...
21
votes
4answers
990 views
Why does the sky change color?
Why the sky is blue during the day, red during sunrise/set and black during the night?
