Part NO. :	DCFBG-series
Datasheet :
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Characteristics
Low dark current.
High uniformity and symmetry.
High reliability.
Less blind area.
Applications
Laser aiming, tracking and searching.
High accuracy location, displacement monitoring 
Mechanism
The device works like reveIPe biased diode array, since the device is configured as quadrature, when the light form the tested object strike equally upon each quadrant, the light current from quadrants should be equal. When the tested object changed position, the output of each quadrant will change. So the direction of the target can determined.
Technical Parameter(TA=23℃)

10um series of optical fiber	10um series of optical fiber	10um series of optical fiber