Register to reply

Light Transfer (Light Transmittance)

by hannalee
Tags: absorption, light, transmittance
Share this thread:
Oct4-10, 07:41 AM
P: 2
Can anyone please direct me to the formulation for calculating the amount of light transferred through a glass?
Or the amount of light absorbed.

Thank you
Phys.Org News Partner Physics news on
Researchers demonstrate ultra low-field nuclear magnetic resonance using Earth's magnetic field
Bubbling down: Discovery suggests surprising uses for common bubbles
New non-metallic metamaterial enables team to 'compress' and contain light
Oct5-10, 08:46 AM
P: 600
May be you are searching for Lambert-Beer law.
Oct11-10, 07:46 AM
P: 2
I had a look at the Lambert-Beer Law, but the text states that: The Lambert-Beer Law is valid only for diluted solutions.
I don't think glass lies in this category.
Any idea?

Oct11-10, 07:50 AM
P: 600
Light Transfer (Light Transmittance)

No, Lambert-Beer (LM) law is valid.
For example: one can apply to absorption of gamma rays in lead (for shielding calculations)
And in X-ray absorption spectroscopy LM is often used.
Also for finding attenuation of light in sun glasses, LM is used.
Hope this helps.

Register to reply

Related Discussions
Limits of information transfer through light and sound General Physics 12
Light Transmittance Introductory Physics Homework 3
Information Transfer and the speed of light Special & General Relativity 2
Questions abouut:Special Relativity, Time Dilation, Light Clock, Velocity of light. Special & General Relativity 31
Speed of light Schmeed of light: things can travel faster Special & General Relativity 13