Photonics Dictionary: B

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bistable display

A matrix-controlled display that has information storage at the display surface, and requires that an element be addressed only once to assure that it is on or off.

B-scope

A cathode-ray display where information is represented visually as spots. Each spot's location is represented by a horizontal coordinate showing its bearing angle, and a vertical coordinate showing...

backlit

Refers to a display or screen that is illuminated from behind; the light is transmitted as opposed to reflected.

backreflection -> narcissus

A defect in infrared systems that appears as a dark circular area on a displayed image, caused by radiation reflecting into a detector. It can be reduced by low-reflective coatings or by altering the...

beam position

In computer graphics, the point on the display screen where the electron beam is located before the display instruction is executed. On directed beam display points, vectors and other graphic...

bend -> deformation constant

Any of the constants that relate the tendency of the director to remain parallel to restoring torques throughout the media. The three constants of importance in liquid crystal displays are: splay --...

BIRDIE

battery integration and radar display equipment

bit boundary block transfer

A data transfer function that moves a rectangular group of pixels between bit maps. Often used in displaying cursors and pop-up windows.

bit mapping

In computer graphics, the assignment of each pixel on a display screen to its own switch in the computer memory.

blinking

Intentionally alternating the intensity of a display element in a graphic display device.

blue diode laser

A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic spectrum, typically between 400 and 500 nanometers. Diode lasers are compact,...

Photonics DictionaryB

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