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

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In summary, the Acousto-Optic effect in lasers and solids is affected by the different colors of light in a beam and the wavelength-dependence of the material. This is due to the strain-optic tensor and the Bragg angle. Further research is needed to fully understand the impact of dispersion on this effect.
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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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  • #3
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.
 
  • #4
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.
 
  • #5
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).
 

1. What is the Acousto-Optic Effect?

The Acousto-Optic Effect is a phenomenon in which the refractive index of a material is altered by an acoustic wave, resulting in the modulation of light passing through the material. This effect is achieved through the interaction of light and sound waves in a medium, and can be utilized in various applications such as optical communication, laser beam steering, and signal processing.

2. How is the Acousto-Optic Effect related to wavelength/colour?

The Acousto-Optic Effect is directly related to the wavelength or colour of light passing through a material. The strength of the effect increases with decreasing wavelength, meaning that shorter wavelength light (such as blue or violet) will experience a stronger modulation compared to longer wavelength light (such as red or infrared).

3. Is the Acousto-Optic Effect only observed in certain materials?

No, the Acousto-Optic Effect can be observed in a wide range of materials, including crystals, glasses, and semiconductors. However, the strength and efficiency of the effect may vary depending on the specific properties of the material, such as its acoustic and optical properties.

4. Can the Acousto-Optic Effect be used to manipulate light of any wavelength?

Yes, the Acousto-Optic Effect can be used to manipulate light of any wavelength as long as the material used is transparent to that wavelength. Different materials may have different ranges of transparency, so the appropriate material must be chosen for the desired wavelength of light.

5. Are there any real-world applications of the Acousto-Optic Effect?

Yes, the Acousto-Optic Effect has various practical applications in fields such as telecommunications, laser technology, and spectroscopy. It is commonly used in devices such as acousto-optic modulators, deflectors, and filters, which are used in optical communication systems, laser printers, and spectrometers, respectively.

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