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CPS1 controller
The DH-InGaAs detectors are the first choice for most applications covering the 900nm to 1700nm range. They can be used in both dc and ac (lock-in amplifier) modes of operation.
For systems requiring frequent change of detectors, a quick-change (type '-QC') housing is available.
Thermo-electrically cooled detectors are offered for use in hostile ambient temperature conditions and for extended wavelength range devices (to 1900nm).
| Specification | ||||||||
Detector Type |
Active area |
Coating |
Peak sensitivity lp, µm |
Rec. range µm |
Peak photo-sensitivity A/W |
Shunt resistance MW |
D* at lp cm.Hz1/2/W |
Housing options |
| DH-InGaAs(2) | 2mm |
None |
1.55 |
0.9 - 1.7 |
0.95 |
25 |
5x1012 |
Standard & QC |
| DH-InGaAs(3) | 3mm |
None |
1.55 |
0.9 - 1.7 |
0.95 |
10 |
5x1012 |
Standard & QC |
| DH-InGaAs(3)-Te | 3mm |
Te(1) |
1.55 |
0.9 - 1.65 |
0.95 |
200 |
3x1013 |
Te housing |
| DH-InGaAs(5)-Te | 5mm |
Te(1) |
1.55 |
0.9 - 1.65 |
0.95 |
60 |
3x1013 |
Te housing |
| DH-InGaAs-Ex-Te | 1mm |
Te(1) |
1.75 |
0.9 - 1.65 |
1.1 |
10 |
2.5x1012 |
Te housing |
(1) Requires CPS1 or CPS1M cooler controller |
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Quick-change housing
Ordering information
DH-InGaAs(2)
DH-InGaAs(3)
DH-InGaAs(2)-QC
DH-InGaAs(3)-QC
DH-InGaAs(3)-Te
DH-InGaAs(5)-Te
DH-InGaAs-Ex-Te
CPS1
CPS1M
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