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6 terms
Photonics Dictionary: S
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Secondary Speckle Pattern
A self-interference effect that generates random patterns; secondary speckle pattern (SSP) typically occurs in diffuse reflections of a laser on paper, white paint or rough surfaces. By tracking both...
solar array
A group of solar cells that are electrically contacted and physically arranged so that they may be oriented in the direction of the sun simultaneously.
stripe laser
In rudimentary form, this technology consists of diffusion of a PN junction through a mask of silica, over which a contact is applied.
stylus indicator alignment
A method used in surface quality testing for accurate positioning and rotation of metal spheres about an axis or fixed point in space that involves a sliding contact between the indicator and tip and...
stylus profilometer
A measuring instrument used for surface profiling and quantifying the roughness of a material. The stylus is placed on the surface of the material at a given contact force, then is moved laterally...
sunlight recorder
An instrument consisting essentially of a photoelectric cell filtered to respond to a specified wavelength region, an amplifier of sufficient gain to provide power enough to control movement of a...
Photonics Dictionary
S
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