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The Bragg curve of 5.49 MeV alphas in air has its peak to the right and is skewed to the left, unlike the x-ray beam below.. The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter.
Bragg curve of 5.49 MeV alpha particles in air. The force usually increases toward the end of range and reaches a maximum, the Bragg peak, shortly before the energy drops to zero. The curve that describes the force as function of the material depth is called the Bragg curve. This is of great practical importance for radiation therapy.
In order to achieve diffraction conditions, the sample under study must be precisely aligned. The contrast observed strongly depends on the exact position of the angular working point on the rocking curve of the sample, i.e. on the angular distance between the actual sample rotation position and the theoretical position of the Bragg peak.
For a Bragg peak (), the observed integrated intensity, , as determined from numerical integration is = = (), where is the total number of data points in the range of the Bragg peak. The integrated intensity depends on multiple factors, and can be expressed as the following product:
This equation, Bragg's law, describes the condition on θ for constructive interference. [12] A map of the intensities of the scattered waves as a function of their angle is called a diffraction pattern. Strong intensities known as Bragg peaks are obtained in the diffraction pattern when the scattering angles satisfy Bragg condition.
A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by creating a periodic variation in the refractive index of the fiber core, which generates a wavelength-specific dielectric mirror .
The Bragg Peak description of radiotherapy depth dose curves really only applies to light ions (Protons up to Neon). I believe the Bragg Peak description is correct (I just tweaked it a bit). Andybuckle 14:04, 16 May 2006 (UTC) Does this image illustrate a bragg peak of air ionization? --Deglr6328 23:47, 31 August 2006 (UTC) No.Jellytussle 10: ...
Bragg Box, a type of traveling museum exhibit invented by Laura Bragg; Bragg House (disambiguation), various houses on the National Register of Historic Places; Fort Bragg, North Carolina, a major US Army base; Fort Bragg, California, a city in coastal Mendocino County; Camp Bragg (Arkansas), a Confederate encampment during the American Civil War