Available MCP scans |
(available FP scans) |
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● HV at
-2.4kV, threshold at 100mV, red laser used unless otherwise noted. |
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● Reference scans for any PMT are highlighted in red. |
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PMT
Model |
Serial No. |
SLAC ID |
Scan folder |
Xmin |
Xmax |
deltaX |
Ymin |
Ymax |
deltaY |
Triggers |
Comments |
Burle MCP |
02010410 |
16 |
20040603 |
6 |
66 |
0.1 |
-12 |
42 |
1 |
20000 |
blue laser |
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16 |
20040602 |
6 |
10 |
0.2 |
34.5 |
44.5 |
0.2 |
20000 |
fine scan
of central region with ADC readout of pad 24 and neighbors |
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16 |
20040528 |
5 |
22 |
0.1 |
33 |
52 |
0.1 |
20000 |
fine scan
of central region with ADC readout of pad 24 and neighbors |
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16 |
20040525 |
6 |
66 |
0.1 |
-12 |
42 |
1 |
20000 |
High peak
efficiency, significant non-uniformity, efifciency drops to zero on all edge
pads. All scans of this MCP at -2.66kV |
Burle MCP |
12110302 |
15 |
20040607 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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15 |
20040522 |
6 |
62 |
0.1 |
-12 |
42 |
1 |
20000 |
Reasonable
uniformity, average peak efficiency. MCP shifted, few mm missing from scan on
right side. |
Burle MCP |
12110303 |
14 |
20040608 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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14 |
20040519 |
6 |
62 |
0.1 |
-12 |
42 |
1 |
20000 |
Reasonable
uniformity, average peak efficiency. |
Burle MCP |
04290302 |
13 |
20040309 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Two dead
pads, very poor uniformity, high peak efficiency. Returned
and replaced. |
Burle
MCP |
05070305 |
12 |
20040306 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Repeat identical scan, 100%
noise on pad 64 before interference at y=35mm. Returned
and replaced. |
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12 |
20040303 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Poor
uniformity, low overall efficiency. 100% noise on pad 64. |
Burle MCP |
09130301 |
11 |
20040615 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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11 |
20040301 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Low effi
overall, good uniformity. |
Burle MCP |
12040301 |
10 |
20040614 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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10 |
20040227 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Low effi
overall, reasonable uniformity. |
Burle MCP |
04290301 |
9 |
20040224 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
High peak
efficiency, very significant non-uniformity. Returned
and replaced. |
Burle
MCP |
09130303 |
8 |
20040616 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser, coarse scan |
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8 |
20040217 |
6 |
62 |
0.2 |
-12 |
42 |
0.2 |
20000 |
Fine scan of entire PMT. |
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8 |
20040215 |
40 |
50 |
0.1 |
6 |
16 |
0.1 |
20000 |
Fine scan of pad 23. |
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8 |
20040213 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Low effi
overall, uniformity OK. Performed detailed scans. |
Burle MCP |
08220302 |
7 |
20040620 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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7 |
20040210 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Large
uniformity variation, slightly lower peak effi. |
Burle MCP |
09050302 |
6 |
20040720 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan for cross-check |
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6 |
20040719 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
red laser,
coarse scan for cross-check |
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6 |
20040623 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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6 |
20040206 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Low effi
overall, significant non-uniformity. |
Burle
MCP |
07030301 |
5 |
20040613 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser, coarse scan |
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5 |
20040412 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
HV=-2.6.kV |
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5 |
20040409 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
HV=-2.5.kV |
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5 |
20040201 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
Low effi
overall, some noise in channel 64, significant non-uniformity. |
Burle MCP |
09130305 |
4 |
20040611 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser,
coarse scan |
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4 |
20040418 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
HV back at
-2.4kV, rescanned y>=20, noise at large y. |
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4 |
20040415 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
HV=-2.5kV |
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4 |
20040128 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
Low effi
overall, uniformity OK except for edge pads; some noise in channel 64. |
Burle
MCP |
05220304 |
3 |
20040609 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser, coarse scan |
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3 |
20040514 |
6 |
62 |
0.1 |
-12 |
42 |
1 |
20000 |
blue laser - very large
laser intensity variations, cannot be compensated by calib PMT - very large
time jitter, 32nsec delay line added. |
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3 |
20040429 |
6 |
62 |
0.1 |
-12 |
42 |
1 |
20000 |
HV=-2.4kV |
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3 |
20040427 |
47 |
58 |
0.1 |
12 |
23 |
0.1 |
20000 |
detailed scan pad 10 |
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3 |
20040424 |
8 |
18 |
0.1 |
18.5 |
29.5 |
0.1 |
20000 |
detailed scan pad 60 |
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3 |
20040422 |
6 |
62 |
0.1 |
-12 |
42 |
1 |
20000 |
HV=-2.4kV, efficiency still
high |
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3 |
20040401 |
6 |
62 |
0.2 |
-13 |
42 |
0.2 |
20000 |
Fine scan of entire PMT,
some noise at large y |
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3 |
20040329 |
6 |
62 |
0.1 |
-13 |
43 |
1 |
20000 |
Efficiency 30-40% higher
than in 20040113 scan! |
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3 |
20040123 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.2.kV |
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3 |
20040119 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.3kV |
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3 |
20040113 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
New electronics and cables
since Jan 2004. |
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3 |
20030913 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
Much noise in edge channels. |
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3 |
20030807 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
thresh=50mV |
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3 |
20030801 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
thresh=65mV |
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3 |
20030728 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.1kV, thresh=85mV |
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3 |
20030724 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.2kV, thresh=85mV |
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3 |
20030720 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.3kV, thresh=85mV |
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3 |
20030712 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
HV=-2.4kV,
thresh=85mV |
Burle
MCP |
01150302 |
2 |
20040610 |
6 |
66 |
0.5 |
-12 |
42 |
1 |
20000 |
blue laser, coarse scan |
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2 |
20030708 |
7 |
64 |
0.1 |
-11 |
24 |
1 |
40000 |
redid electronics before
start, scanned only region with dead channels in previous run |
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2 |
20030623 |
7 |
64 |
0.1 |
-11 |
41 |
1 |
40000 |
redid electronics before
start |
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2 |
20030530 |
7 |
64 |
0.1 |
1 |
4.7 |
0.1 |
40000 |
detailed scan |
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2 |
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26.8 |
35.3 |
0.1 |
4.8 |
9.5 |
0.1 |
40000 |
detailed scan |
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2 |
20030521 |
7 |
64 |
0.1 |
-12 |
42 |
1 |
40000 |
4 dead pads: 18, 21, 26, 53 |
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2 |
20030513 |
7 |
64 |
0.1 |
-12 |
42 |
1 |
40000 |
3 dead pads: 18, 21, 26 |
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2 |
20030430 |
7 |
64 |
0.1 |
-12 |
42 |
1 |
40000 |
lots of noise, many inter
files 10 times bigger |
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2 |
20030425 |
7 |
64 |
0.1 |
-12 |
42 |
1 |
40000 |
lost one line at y=36mm, add
line from previous scan. Used for IEEE 2003 and Elba NIM paper. |
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2 |
20030418 |
7 |
60 |
0.1 |
-8 |
41 |
1 |
40000 |
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2 |
20030218 |
8 |
61 |
0.1 |
-10 |
41 |
1 |
40000 |
pads 1-8 dead |
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2 |
20030213 |
8 |
61 |
0.1 |
-10 |
41 |
1 |
40000 |
low effi at first row, low
effi in pads 1-8 |
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2 |
20030212 |
5 |
65 |
2 |
-25 |
39 |
2 |
40000 |
coarse scan |
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Other
scans |
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20040429 |
-84 |
-78 |
0.01 |
44 |
45 |
0.01 |
20000 |
Scan of
Photonis close to calib point to check stability. |
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Last updated: |
7/21/2004 |
Joe |
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