Help with array detector terminology.

[Iyer, Venkat]

Posted to CCD-world:
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CCD array - uses a CCD for light detection
Photodiode array - uses a diode for light detection
CCD photodiode array - uses a diode for light detection and an adjacent
CCD structure to read 				it out
Pinned photodiode - Fixes the potential of the diode with reference to
the surface to have 	better control of the potential well of the
diode.  This helps with image lag. I

Hope this helps.

Venkat Iyer (Sr. Design Engineer)
EG&G Optoelectronics
345 Potrero Ave
Sunnyvale, CA-94086
(408)38-4266 x263      fax:(408)738-3832



QUESTION of the day:

Could someone explain (or point me to pertinent literature) 
the difference between a pinned photodiode array, a charge
coupled photodiode array, and a CCD array?  I thought I had
this worked out (somewhat), but now I am not so sure.

Any help would be appreciated.

Dr. Scott Sutherland
Senior Scientist
GAMMA-METRICS
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