QUCAM1 Data

Device Identification

Chip name QUCAM1
Year of manufacture 2005
Serial number
First light on La Palma May 2005
Description E2V CCD97 Thinned midband AR coated. L3 electron multiplying CCD. Camera Picture


Operational Characteristics

Speed  Fast
 Slow
Bias(ADU) 780
 7630
Gain(e/ADU) 0.05
 1.5
Noise(e) <0.1
 20
Linear to(ADU) 
15000  (approx 600 e)
 30000

Windowed readout times as follows: 

Window size
 Fast
 Slow
Full frame
 0.7
 1.5
[200:300,1:520] 400ms
 550ms
[200:250,1:520] 350ms
 380ms
[200:250,100:300] 140ms
 170ms
[200:250,200:250] 60ms
 80ms


Windowing : one window only

Binning : No


Physical Characteristics

X Pixel size 16 microns
Y Pixel size 16 microns
X size in pixels of digitised area 560
Y size in pixels of digitised area 540
X size of useful imaging area 510
Y size of useful imaging area 512
X start of useful imaging area 22
 Ystart of useful imaging area 10

Operational Parameters


Operating temperature
 173K  (requires 3 hour cool down to stabilise at operational temp, important for gain stability)
Preferred Amplifier
 Right

Measured characteristics

Predicted QE


Dark Current
  10 electrons/pixel/hour                                             


Some papers describing the use of L3 CCDs see this link

Last updated : 9th May 2005