G12181-003A Infrared Photoelectric Sensor (InGaAs PIN photodiode) For Optical Communication Systems

G12181-003A Infrared Photoelectric Sensor (InGaAs PIN photodiode) For Optical Communication Systems

Application Areas:

• Optical Communication Systems: Detects high-speed NIR signals (1.3/1.55 μm bands) in fiber optic transceivers, supporting reliable data transmission in telecom networks.
• Precision Optical Power Meters: Serves as a core sensing component for measuring NIR optical power in laboratory testing, fiber optic maintenance, and laser calibration.
• Laser Monitoring & Testing: Enables real-time monitoring of laser output intensity (e.g., in industrial lasers, medical lasers) and life-cycle testing of laser diodes.
• Near-Infrared Photometry: Used in biochemical analysis, material science, and environmental monitoring to measure NIR light absorption, transmission, or reflection.
• Aerospace & Defense: Suitable for NIR-based target detection, remote sensing, and optical guidance systems (thanks to wide temperature range and low noise).

Key Features:

• Broad NIR Coverage: 0.9–1.7 μm spectral range aligns with key wavelengths for communication, laser, and photometry applications.
• Ultra-Low Dark Current: Max. 0.3 nA dark current minimizes background noise, ensuring high signal-to-noise ratio (SNR) for low-light detection.
• High-Speed Response: 800 MHz cut-off frequency supports fast signal detection, ideal for high-bandwidth optical communication or pulsed laser monitoring.
• Compact & Durable Package: TO-18 metal package offers mechanical stability, easy integration into circuits, and compatibility with standard optical mounts.
• Consistent Sensitivity: Low temperature coefficient of sensitivity ensures reliable performance across varying ambient temperatures.

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