The radiometry tag has no wiki summary.
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Implementing a black-body using Planck's Law in a 3D ray tracer
1_ In one of my software projects, I need to implement Planck's Law in terms of wavelength. I can't be sure if it's right because I've seen different variations of it, and all the implementations ...
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Radiance equation
I am trying to understand the equation of the radiance, but there is one thing
i don't understand:
$L_r = \frac{d^2\Phi}{d\omega \space dA\cos{\theta}}$
Why is that second exponent there in the ...
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1answer
69 views
Photosensitivity of Photodiodes, lower wavelength -> lower sensitivity?
I saw a diagram of the photosensitivity (Current per Power) of a photodiode.
So there is this diagonal stating the 100% quantum efficiency.
I wondered why the sensitivity for bluer light lower ...
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2answers
795 views
How reliable is Radiometric dating? Are there limitations? [closed]
Young earth creationists dismiss radiometric dating as unreliable, whats the truth?
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Leaching of radiometric material, is it possible?
I've been doing some reading about radiometric dating and I've come across an interesting find. If anybody has any additional information on this, that would be great.
First my question:
In regards ...
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2answers
227 views
Visibility of moon-based laser from Earth
If someone (or some robot) on the moon were to point a laser at the Earth, how many watts would the laser need, to be easily seen with the un-aided eye from Earth?
Obviously this depends on a number ...
