What Causes Scattering in Optics and How Does it Apply to X-rays?

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SUMMARY

The discussion centers on the optical principles of scattering, specifically in relation to visual light and X-rays. It establishes that diffusers, such as paper in front of a light source, scatter light by making it radiate in all directions. The conversation highlights that while refraction is the dominant optical property for visible light scattering, X-ray scattering requires specific materials, such as small crystals, to effectively influence the higher-energy optics. The discussion concludes that the size and thickness of diffusers would differ significantly between visual light and X-rays.

PREREQUISITES
  • Understanding of optical properties: Diffraction and Refraction
  • Knowledge of light scattering principles
  • Familiarity with X-ray optics and materials
  • Basic concepts of LCD technology and backlighting
NEXT STEPS
  • Research the role of diffraction in optical scattering
  • Explore materials suitable for X-ray scattering, focusing on small crystals
  • Investigate the design and function of diffusers in LCD screens
  • Study the differences in optical properties between visible light and X-rays
USEFUL FOR

This discussion is beneficial for physicists, optical engineers, and anyone involved in the fields of imaging technology and materials science, particularly those interested in the applications of scattering in both visible light and X-ray optics.

compro21
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You can put a diffuser in front of a visual light source (i.e. lightbulb) that will scatter light in all directions. In effect, the diffuser acts as an analog lightsource by making light go in all directions (some of the enegry will be absorbed). LCD screens use diffusers to spread out their backlight and give a more even lighting appearance. (The simplest example is a piece of paper in front of a lightbulb).

Anyway, I was wondering a few things: what optical property causes the scattering? is it Diffraction or Refraction? Does this same principle apply to higher-energy optics, such as x-rays? Would the same size diffusers work, or would they have to be thicker?
 
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I would expect that refraction dominates for most setups.
For x-rays, you need materials which influence x-rays significantly. Many small crystals could work.
 

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