Cat No: PQSQS-LJX-0005 Datasheet
Product Name: ET-QS-0005 NIR Gated Single-Photon Detector
Quantities: - +
| Fast-gated single photon detector optimized for telecom wavelengths. Delivers precise and reliable single-photon detection, with high quantum efficiency, low timing jitter and low detector noise. Provides a cost-effective solution for applications in which synchronous photon detection is essential, such as quantum communication and Quantum Key Distribution. Also well suited to applications such as LiDAR where compactness is a key requirement. Offers a gate input designed to avoid saturation or undesired detections and can also be operated in free-running mode. Cooled InGaAs/InP avalanche photodiode and associated electronics designed for especially low dark count and afterpulsing rates, even up to 100 MHz gated operations. Available in free space or fibre-coupled (MMF 62.5 μm FC/PC) versions. |
| Model | ET-QS-0005 |
| 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 • Fast gated (up to 100 MHz) • 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% |
| STD Model (Max. Dark Count Rate) | 1.2 kHz, 3 kHz, 6 kHz, 10 kHz |
| LN Model (Max. Dark Count Rate) | 0.8 kHz, 1.5 kHz, 3 kHz, 6 kHz |
| Gate-in Max Frequency | 100 MHz |
| Gate-in Min Pulse Duration | 3 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 | < 3 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 |
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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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