Reflecting and limiting sphere in diffraction

In summary, the reflecting and limiting sphere in diffraction is a specialized tool used for accurately measuring the scattering properties of a sample. It works by using a highly reflective coating and a small opening to control the direction and intensity of scattered light. However, it has limitations such as limiting the size of the sample and only measuring forward scattering. This type of sphere is commonly used for measuring particles in liquids and solid materials. While there are alternative techniques, the reflecting and limiting sphere is a widely used and reliable method for controlled measurements.
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asdf1
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What is the purpose of the reflecting and limiting sphere in diffraction?
 
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asdf1 said:
What is the purpose of the reflecting and limiting sphere in diffraction?
This may not be crystal clear, but maybe with what you already know it will get you going in the right direction. Obviously, you need to have a basic understanding of reciprocal space for this to make any sense at all.

http://www.eng.uc.edu/~gbeaucag/Classes/XRD/ReciprocalRoadMap.html

http://commons.wikimedia.org/wiki/Diffraction
 
  • #3
Understanding a little better, but it's still hard to picture things~
 

Related to Reflecting and limiting sphere in diffraction

What is the purpose of a reflecting and limiting sphere in diffraction?

The reflecting and limiting sphere in diffraction is used to accurately measure the scattering properties of a sample. It is specifically designed to control the direction and intensity of the scattered light, allowing for precise measurements to be taken.

How does a reflecting and limiting sphere work?

The sphere is coated with a highly reflective material, such as barium sulfate, and has a small opening for the light to enter. The light is then scattered within the sphere and measured by a detector, providing information about the sample's scattering properties.

What are the limitations of using a reflecting and limiting sphere in diffraction?

One limitation is that the size of the sphere limits the size of the sample that can be measured. Another limitation is that the sphere only measures forward scattering, so information about the sample's backscattering properties cannot be obtained.

What types of samples can be measured using a reflecting and limiting sphere?

This type of sphere is commonly used to measure the scattering properties of particles suspended in a liquid, such as in pharmaceuticals or environmental samples. It can also be used to measure the scattering of solid materials, such as powders or thin films.

Are there any alternatives to using a reflecting and limiting sphere in diffraction?

Yes, there are other techniques that can be used to measure scattering properties, such as small angle X-ray scattering or dynamic light scattering. However, the reflecting and limiting sphere is a widely used and reliable method for measuring scattering in a controlled environment.

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