Cat No: PQSQS-LJX-0006 Datasheet
Product Name: ET-QS-0006 NIR Free-Running Single-Photon Detector
Quantities: - +
| Major breakthrough for single-photon detection in free-running operation at telecom wavelengths. Provides a cost-effective solution for applications in which asynchronous photon detection is essential, such as photon correlation or time of flight measurements. Especially suited for applications such as LiDAR, where compactness is a key requirement. Offers a gate input port connector designed to avoid saturation or undesired detections. Cooled InGaAs/InP avalanche photodiode and associated electronics designed for especially low dark count and afterpulsing rates. Available in free-space or fibre-coupled (MMF 62.5 μm FC/PC) versions. |
| Model | ET-QS-0006 |
| Brief Description | Compact & cost-effective module for synchronous and asynchronous single-photon detection from 900 nm to 1700 nm |
| Key Features | • Compact, cost-effective and dependable performance • Ultra-low noise (<200 cps at 10%) • Low jitter (<200 ps, typically <150 ps) • Fibre-coupled optical input • Broadband detection (900—1700 nm) • Intuitive GUI & Linux API |
| Wavelength Range | 900 nm to 1700 nm |
| Deadtime Range | 100 ns to 80 μs, in 100 ns steps |
| Output Pulse Format | LVTTL or NIM |
| Output Pulse Width | 10 ns |
| Optical Coupling | Free space or optical fibre (MMF62.5) |
| Efficiency Range Calibrated at λ = 1550 nm | 10%, 15%, 20%, 25% |
| Extended Efficiency Range | 30%, 35% |
| Timing Jitter @ 25% Efficiency Level | Maximum 200 ps (150 ps typical) |
| Noise Performance @ Efficiency Level | 10%, 15%, 20%, 25% LN model (Max. dark count rate): 0.5 kHz, 1 kHz, 1.5 kHz, 2 kHz ULN model (Max. dark count rate): 0.2 kHz, 0.5 kHz, 0.8 kHz, 1.2 kHz |
| Gate-in Max Frequency | 1 MHz |
| Gate-in Min Pulse Duration | 500 ns |
| Gate-in Voltage Range | -2 V to 3 V |
| Gate-in Coupling | 50 Ω DC |
| Gate-in Threshold Voltage Range | -2 V to 2 V, in 1 mV steps |
| Output Connector | SMA |
| Operating Temperature | +10°C to +35°C, max. 60% humidity |
| Dimensions (W x H x L) | 95 mm x 95 mm x 95 mm |
| Weight | 1 kg |
| Cooling Time @ Power-On | LN model: < 3 minutes / ULN model: < 5 minutes |
| Power Supply | 100-240 VAC ; 1.4 A ; 50-60 Hz |
| Storage Temperature | +5°C to +50°C, max. 60% humidity |
| Applications | • QKD and quantum communication • Quantum optics and computing • Single-photon source characterisation • Fluorescence lifetime imaging • Failure analysis of integrated circuits • VIS, NIR and MIR spectroscopy |
Eata Sensors is your strategic partner in precision sensing technology. We offer a full range of advanced sensor products, core components, and customized engineering services. We collaborate with global clients to jointly solve complex measurement challenges.
For industrial/research use only. Not for personal/medical use.
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