Reflexion and transmission in case of heating

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    Heating Transmission
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Discussion Overview

The discussion centers around the behavior of a laser beam polarized as it transitions from vacuum into a medium, specifically focusing on the effects of heating on reflection and transmission powers. Participants explore the implications of temperature changes on reflection coefficients and the resulting intensities of reflected and transmitted light.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the reflection and transmission powers of a laser beam as it enters a medium, considering the effects of heating.
  • Another participant seeks clarification on what is meant by "heating," questioning whether it pertains to the dependence of reflection coefficients on temperature.
  • A participant confirms that the heating of the medium will alter the reflected and transmitted intensities.
  • There is a suggestion that the heating may damage or change the quality of the surface, which could also affect the amount of light reflected.
  • A participant specifies the medium in question, providing an example of air transitioning to glass, and expresses interest in calculating the absorbed power due to heating.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the specifics of how heating affects reflection and transmission, and multiple viewpoints regarding the implications of heating and surface quality are presented.

Contextual Notes

There are limitations regarding the definitions of terms such as "heating" and "medium," as well as the assumptions about the conditions under which the reflection and transmission powers are analyzed.

jk22
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Suppose a laser beam polarized arriving from vacuum to a medium. What are the reflexion and transmission powers taking into account heating. What equations could be used to solve this ?
 
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It is unclear what are you asking here. Heating what?
You mean to ask how (or if) the reflection coefficients depend on temperature?
 
Yes, the beam heats the medium up and this will modify the reflected and transmitted intensities.
 
It may be just that the beam damages (changes) the quality of the surface and by this changes the amount of light reflected.
What is this medium?
 
From air to glass for example. I was wondering how to compute the absorbed power due to heating.
 

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