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ACQUBIT
Saaz Designs And Offers Single Photon Avalanche Detectors (Spad) In The Swir Wavelengths. The Devices Are Backside Illuminated And Packaged In Te Cooled To-can Packages.
Acqubit is a 3-stage TE-cooled InGaAs SPAD detector packaged in a T08 package with integrated heatsink. The InGaAs detector is a backside illuminated device.
FEATURES
- Single Photon Sensitivity
- Back-illuminated mesa design device
- Packaged in a TO08 6 pin header on a TO-66 flange
- 3-stage TE-cooled package
- 1550 nm AR coated window cap
APPLICATIONS
- Quantum Cryptography
- Methane Detection
- Range Detection
- Laser Communication
VERSATALITY
- Test Board option
- Compact Module Option
Specifications
Active Diameter:
| Parameter | Conditions | 20 μm Min | Typ. | Max | Units |
|---|---|---|---|---|---|
| Linear Mode Parameters (295K, all voltages and currents are reverse biased) | |||||
| Breakdown voltage, Vb | 295K, Id = 1 μA | 60 | 75 | 85 | V |
| Temperature dependence of Vb | Between 295K and 240K, linear approximation | 0.13 | V/K | ||
| Capacitance, C | Vb – 3, 1 MHz | 40 | 100 | fF | |
| Total Dark Current, Id | 295K, Vb – 3 | 20 | nA | ||
| Quantum Efficiency, QE | 1064nm, M=1 (Linear Mode) | 85 | % | ||
| Geiger Mode Parameters (All voltages and currents are reverse biased) | |||||
| Dark Count Rate, DCR | at 240K at 4V OB | 15 | 50 | kHz | |
| Photon Detection Efficiency, PDE | at 240K at 4V OB | 25 | % | ||
| PIN | Assignment |
|---|---|
| 1 | TEC(−) |
| 2 | TEC(+) |
| 3 | APD (Anode) |
| 4 | Thermistor (2.2kΩ) |
| 5 | Thermistor (2.2kΩ) |
| 6 | APD (Cathode) |
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