Iparts

https://www.physicsforums.com › threads › power-spectral-density-of-a-laser…
I guess the longer fibre gives a longer time delay between samples so the frequency resolution will be improved

https://www.physicsforums.com › threads › why-optical-density-differs-from-ph…
So a medium has a higher optical density if either it absorbs more light per length of material or the speed of light is

https://physics.stackexchange.com › questions › how-does-a-photon-lose-inte…
A beam of light loses intensity as it travels and spreads A photon does not Instead when dealing with light as

https://physics.stackexchange.com › ... › what-exactly-is-dense-in-optical-den…
It then proceeds to give an example that kerosene oil being less dense than water has higher optical density than

https://www.physicsforums.com › threads › so-the-question-is-what-is-the-opti…
The problem how to determine the optical density of a diluted sample Hi i work on algae and bioenergy and i have a

https://physics.stackexchange.com › questions › why-does-optical-media-have...
Optical density is a measure of the refracting power of a medium In other words the higher the optical density the more the light will

https://www.physicsforums.com › threads › what-is-the-relationship-between-p…
No Optical Density is not related to mass density Think of OD as a measure of a materials ability to pass light The

https://physics.stackexchange.com › questions
It should be noted that the refractive index does not depend on the velocity of light It is a multiplicative constant upon

https://physics.stackexchange.com › questions
The index of refraction at constant density is only approximately independent of temperature as long you have no