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Preliminary CCD tests

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CCD Test report


EEV 44-82
CCD name : Jasmin
Serial number : 8131-18-1
Type : Backside, Single layer AR Pixel size 15x15 µm
Number of photosensitive pixels 2048 x 4102 [HxV]
Number of outputs : 2
Overall rating : --

Tested on January 2000

 

Quantum Efficiency, PRNU


      

Conversion factor = 1.7849e-/ADU  ±0.006332     for 24770.8ADU
RMS noise         = 3.9595e-      ±0.2839                                                                                       

Left readout port 
Readout speed: 350kp/s

CCD temperature : -140Cº
Window area is : X1= 59 X2= 1071 Y1= 9 Y2= 508
Bandwidth 6nm

Long.      PRNU rms%       QE%                                                                                                                             
320        3.3995          41.010   ±1.1109                                                                                                                
330        2.8613          45.275   ±1.2576                                                                                                                
340        2.5618          47.892   ±0.89849                                                                                                               
350        2.3927          48.469   ±0.4565                                                                                                                
360        2.2232          50.347   ±0.47931                                                                                                               
370        1.8861          53.223   ±0.50485                                                                                                               
380        1.4186          61.069   ±0.60343                                                                                                               
390        1.1596          63.37    ±0.69192                                                                                                               
400        1.0463          76.289   ±0.74216                                                                                                               
440        0.96908         82.722   ±0.79684                                                                                                               
460        0.94979         82.606   ±0.7999                                                                                                                
500        0.93546         81.888   ±0.7495                                                                                                                
540        0.92241         81.242   ±0.78625                                                                                                               
560        0.92732         80.004   ±0.7685                                                                                                                
600        0.93798         78.466   ±0.74785                                                                                                               
640        0.96298         76.428   ±0.71936                                                                                                               
660        0.98316         73.397   ±0.69643                                                                                                               
700        1.0484          68.99    ±0.62598                                                                                                               
740        1.1449          63.21    ±0.55622                                                                                                               
760        1.1978          59.563   ±0.51844                                                                                                               
800        1.4038          50.239   ±0.42566                                                                                                               
840        1.442           42.746   ±0.34444                                                                                                               
900        1.6423          26.818   ±0.2068                                                                                                                
940        1.7097          16.201   ±0.11861                                                                                                               
1000       2.6025          4.8735   ±0.032837                                                                                                              
1040       5.0149          0.75077  ±0.00559                                                                                                               
1100       17.83           0.086777 ±0.00064289                                                                                                            



Cosmetic defects

 

flat field

350nm (UV)

 

600 nm

900 nm

Type of defect Location (x,y) Number of pixels affected
trap(x2) 2 neighboring columns

Here find a more accurate description of the defects location .....

Bias



 Table not available
Type of defect Location Number of pixels affected
   

Image not available !

Long exposure dark image





Type of defect Location Number of pixels affected
 

Readout noise/Conversion factor

 


Readout speed: 350kp/s
Left readout port
Convertion factor = 1.7847e-/ADU  ±0.006252     for 26793.3ADU
RMS noise         = 4.1479e-      ±0.3288                                                                                       

Readout speed: 350kp/s
Right readout port
Convertion factor = 1.7741e-/ADU  ±0.0062       for 26895.6ADU
RMS noise         = 4.2195e-      ±0.3300

Readout speed: 166kp/s
Left readout port
Conversion factor = 1.6526e-/ADU  ±0.005366     for 26936.1ADU
RMS noise         = 3.755e-       ±0.2476                                                                                                                                                                    

Readout speed: 166kp/s
Right readout port
Conversion factor = 1.6293e-/ADU  ±0.005301     for 27074.5ADU
RMS noise         = 3.9424e-      ±0.2506                                                                                       


 
 

Linearity (TDI method)


 Not available



Dark current

  

 Not available
  
  

 

Charge Transfer Efficiency (CTE)

 


Left readout port
Readout speed: 166kp/s
Horizontal CTE = 0.99999901
Vertical CTE   = 0.99999942



   

 

©   C. Cavadore
Send comments to   <odt@eso.org>
Last update: Mar 16, 2004
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