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6 terms
Photonics Dictionary: P
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x-ray crystals x
P x
photoelectron holography
A technique proposed for studying the atomic structure of crystals by measuring the interference pattern generated when the crystal is illuminated by a burst of finely tuned x-rays. The resulting...
pleochroism
The property exhibited by certain birefringent crystals in which the degree with which they transmit polarized light is different, depending on whether the ray is ordinary or extraordinary. An...
positive crystal
A uniaxial, birefringent crystal having an ordinary ray with a higher velocity than the extraordinary ray.
powder radiography
A technique used in radiography to determine a crystal's structure by obtaining radiographs of it in powder form, normally by the use of a powder camera that forms an image of the crystal's x-ray...
principal section
A plane passing through a crystal that has the optic axis of the crystal and the light ray under consideration.
prolate crystal
->
positive crystal
A uniaxial, birefringent crystal having an ordinary ray with a higher velocity than the extraordinary ray.
Photonics Dictionary
P
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