Cat No: PQSQS-LJX-0001 Datasheet
Product Name: ET-QS-0001 NIR Single-Photon Detector
Quantities: - +
| Compact and cost-effective solution delivering precise and reliable single photon detection, with high detection efficiency, precise timing jitter and low detector noise. As a free-running telecom SPAD, it is especially adapted for applications in which asynchronous photon detection is essential, such as photon correlation or time of flight measurements. It features a dedicated gate input port connector to avoid saturation or undesired detections. The cooled InGaAs/InP avalanche photodiode and associated electronics have been designed to achieve especially low afterpulsing and the lowest dark-count rate for its class of single-photon detectors. |
| Model | ET-QS-0001 |
| Brief Description | Compact and cost effective NIR single photon detection at telecom wavelengths |
| Key Features | • Compact, cost-effective and dependable performance • Free-running with gated mode up to 1 MHz • Ultra-low noise (<200 cps at 10%) • Low jitter (<200 ps, typically <150 ps) • Fibre-coupled optical input • Broadband detection (900—1700 nm) |
| 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 | 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%: < 200 Hz 15%: < 500 Hz 20%: < 800 Hz 25%: < 1200 Hz |
| 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) | 133 mm x 95 mm x 95 mm |
| Weight | 1 kg |
| Cooling Time @ Power-On | < 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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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.
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