Near-Infrared Single-Photon Detector SPD4
The SPD4 near-infrared single-photon detector is an ultrasensitive instrument based on an InGaAs avalanche diode. Langyan Optoelectronics' advanced spike-noise suppression and weak-signal conditioning technologies provide dark counts as low as 1 x 10e-6/pulse and an operating frequency of 200 MHz. A 0.01 ns delay adjustment resolution and automatic scanning make it a powerful tool for ultrasensitive photon detection.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Wavelength | 900-1700 nm |
| Fiber type | Single-mode or Multimode |
| Detection efficiency | 10%-30% |
| Dark count （@10%） [@10%；@10%）] | 1×10⁻⁶-3×10⁻⁵ /pulse |
| Time Jitter （@10%） [@10%；@10%）] | <300 ps |
| Time Jitter （@20%） [@20%；@20%）] | <200 ps |
| DC bias | 40-65 V |
| Max External trigger Frequency | 200 MHz |
| Door width | 1 ns |
| Adjustable range | 0-10 ns |
| Delay step size | 0.01 ns |
| Adjustable dead time | 0-99.9 μs |
| Internal trigger frequency | 0.1-100 MHz |
| Clock timing jitter | 80 ps |
| Trigger level | LVTTL |
| Clock output | LVTTL |
| Data Output | LVTTL |
| Max Input Optical power | 1 nW |
| Operating temperature | 25 ℃ |
| Dimensions | 360×255×96 mm³ |
| Fiber interface | FC/APC |
| Electrical signal interface | BNC |
Applications
Key Features
Datasheet
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Supplier Information
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