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PMT Detector
PTI offers a variety of NIR detectors for Steady State, offering the customer the choice of the best detector to meet their needs:
Steady State NIR PMTs
| Model |
SS1.4R |
SS1.4X |
SS1.7R |
SS1.7X |
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| Detector type |
NIR PMT |
NIR PMT |
NIR PMT |
NIR PMT |
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| Application |
Steady State |
Steady State |
Steady State |
Steady State |
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| Spectral range |
300–1400 nm |
950–1400 nm |
300–1700 nm |
950–1700 nm |
|
| Cooling method |
Liquid N2 |
TE |
Liquid N2 |
TE |
|
| Operation temperature |
-80 °C |
-60 °C |
-80 °C |
-60 °C |
|
| Minimal measurable
lifetime |
N/A |
N/A |
N/A |
N/A |
Liquid Nitrogen Cooled PMTs
PTI offers Liquid Nitrogen Cooled and Thermoelectrically cooled PMTs.
SS1.4R |
| Spectral Response |
300 to 1400 nm |
|
| Photocathode Material |
InP/InGaAsP |
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| Effective Area of PMT |
3 x 8 mm |
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| Operating Temperature |
-80°C |
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| Supply Voltage |
1750 V dc |
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| Storage Ambient Temperature |
-90 to +50°C |
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Cathode Sensitivity
Quantum Efficiency
Radiant |
0.48 % min.
5 mA/W min. |
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Anode Sensitivity
Radiant |
1000 A/W min. |
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| Gain |
2 x 10 5 min. 1 x 106 typ. |
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| Anode Dark Current |
5 typ. 10 max. |
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| Anode Dark Counts |
2 x 104 typ. |
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 |
Click image to enlarge |
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SS1.7R |
| Spectral Response |
300 to 1700 nm |
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| Photocathode Material |
InP/InGaAs |
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| Effective Area of PMT |
3 x 8 mm |
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| Operating Temperature |
-80°C |
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| Supply Voltage |
1750 V dc |
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| Storage Ambient Temperature |
-90 to +50°C |
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Cathode Sensitivity
Quantum Efficiency
Radiant |
0.29 % min.
3.5 mA/W min. |
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Anode Sensitivity
Radiant |
700 A/W min. |
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| Gain |
2 x 10 5 min. 1 x 106 typ. |
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| Anode Dark Current |
50 typ. 100 max. |
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| Anode Dark Counts |
2 x 105 typ. |
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Click image to enlarge |
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Thermoelectrically Cooled PMTs
SS1.4X |
| Spectral Response |
950 to 1400 nm |
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| Photocathode Material |
InP/InGaAsP |
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| Effective Area of PMT |
ø 1.6 mm |
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| Operating Temperature |
-60°C |
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| Supply Voltage |
-900 V |
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| Storage Ambient Temperature |
-20 to +50°C |
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Cathode Sensitivity
Quantum Efficiency
Radiant |
1 % min.
10 mA/W min. |
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Anode Sensitivity
Radiant |
5000 A/W min. |
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| Gain |
5 x 10 5 min. 1 x 106 typ. |
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| Anode Dark Current |
4 typ. 10 max. |
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| Anode Dark Counts |
2 x 104 typ. |
|
 |
Click image to enlarge |
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SS1.7X |
| Spectral Response |
950 to 1700 nm |
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| Photocathode Material |
InP/InGaAs |
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| Effective Area of PMT |
ø 1.6 mm |
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| Operating Temperature |
-60°C |
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| Supply Voltage |
-900 V |
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| Storage Ambient Temperature |
-20 to +50°C |
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Cathode Sensitivity
Quantum Efficiency
Radiant |
1 % min.
12 mA/W min. |
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Anode Sensitivity
Radiant |
6000 A/W min. |
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| Gain |
5 x 10 5 min. 1 x 106 typ. |
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| Anode Dark Current |
40 typ. 100 max. |
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| Anode Dark Counts |
2 x 105 typ. |
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Click image to enlarge |
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