Is the Acousto-Optic Effect correlated to wavelength/colour?

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Discussion Overview

The discussion centers on the Acousto-Optic effect and its potential correlation with different wavelengths or colors of light. Participants explore whether the effect varies for different colors within a white beam and the implications of material properties on this phenomenon, specifically focusing on lasers and solids.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants question whether the Acousto-Optic effect would differ for various colors of light or if all wavelengths in a white beam would be treated uniformly.
  • There is a suggestion that significant energy is required to produce measurable effects, which may influence the discussion on wavelength dependence.
  • One participant notes that most research appears to address light as a whole rather than its individual frequency components, indicating a gap in the literature regarding color-specific effects.
  • Another participant raises the possibility that dispersion could play a role, as the index of refraction changes with strain, potentially affecting the Acousto-Optic effect.
  • References to specific texts, such as Salen and Teich's "Fundamentals of Photonics" and Korpel's "Acousto-Optics," are made to support claims about wavelength dependence and the underlying principles of the effect.

Areas of Agreement / Disagreement

Participants express differing views on whether the Acousto-Optic effect is wavelength-dependent, with some suggesting it is while others remain uncertain. The discussion does not reach a consensus on the matter.

Contextual Notes

There are limitations regarding the assumptions made about material properties, such as whether they are dispersive, and the scope is restricted to lasers and solids, excluding liquids. The discussion also highlights a lack of accessible research on the topic.

ThunderLight
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Would the Acousto-Optic effect be different for different colours of light or rainbow? Or it would treat all wavelengths of light in a white beam the same? Would one colour witness a greater acousto-optic effect than the other? Please explain. Thank you.
 
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ThunderLight said:
Would one colour witness a greater acousto-optic effect than the other? Please explain. Thank you.

what research have you done on this so far ?, considering this post is closely tied to your previous one
in which is was reasonably well established that significant energy was required to cause any measurable effect
 
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davenn said:
what research have you done on this so far ?, considering this post is closely tied to your previous one
in which is was reasonably well established that significant energy was required to cause any measurable effect

This question is speaking purely of the Acousto optic effect in lasers and solids. Not liquids.

I see most research deals with the light as a whole and not the subsequent frequency components (separate colors) of light.
 
ThunderLight said:
I see most research deals with the light as a whole and not the subsequent frequency components (separate colors) of light.

Would you mind linking to a few of your sources so we can look at them? I doubt many people are familiar with this topic and it would help if we were able to see some of this information for ourselves. Just looking at the wikipedia article, I'd think that dispersion would play a factor since the index of refraction changes with strain, but I know next to nothing about the topic or about how the devices are set up.
 
Drakkith said:
Would you mind linking to a few of your sources so we can look at them? I doubt many people are familiar with this topic and it would help if we were able to see some of this information for ourselves. Just looking at the wikipedia article, I'd think that dispersion would play a factor since the index of refraction changes with strain, but I know next to nothing about the topic or about how the devices are set up.

I mainly get text from research repositories related to university, that's why it may not be accessible if I link to papers in journals like I previously did. There are general papers available on google though. I will try to gather some links and post them. They are mainly around Crystals and Light/Sound Acoustic-Optic Effect, Seeing Sound with light and also, looking into carrying sound signal with light, using their interaction.
 
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ThunderLight said:
Would the Acousto-Optic effect be different for different colours of light or rainbow? Or it would treat all wavelengths of light in a white beam the same? Would one colour witness a greater acousto-optic effect than the other? Please explain. Thank you.

If the material is dispersive, there is definitely a wavelength-dependence on the effect, both from the strain-optic tensor and from the Bragg angle. Salen and Teich's "Fundamentals of Photonics" has a very readable chapter on acousto-optics, Korpel's "Acousto-Optics" is much more complete (and advanced).
 

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