PD1650 1654nm Gas Detection Photodetector

Product Overview

PD1650 is a professional high-performance InGaAs photodetector engineered for 1654nm gas detection and a wide range of precision optical detection applications. Boasting a broad spectral response range of 900-1750nm, this detector is optimized for the 1654nm waveband with an outstanding responsivity of 1.0A/W at this critical wavelength, ensuring ultra-sensitive detection for gas sensing scenarios. Integrated with advanced low-noise circuitry and a high-speed amplification module, it delivers a DC-20MHz bandwidth and fast 18ns rise time, enabling accurate capture of both weak light signals and high-speed laser pulses. With a compact and robust design, standard SMA female output, and 50Ω impedance matching, the PD1650 offers seamless integration into various optical systems, scientific experimental setups and analytical instruments, providing stable and reliable photodetection performance for industrial and research applications.

Key Features

• InGaAs core material with 900-1750nm broad spectral response
• Optimized for 1654nm gas detection, 1.0A/W high responsivity @1654nm
• High-speed performance: DC-20MHz bandwidth, 18ns rise time (50Ω load)
• Low noise design with 8.1pW/√Hz noise equivalent power for weak light detection
• 1mm photosensitive area for precise light signal capture
• Flexible bandwidth options from kHz to MHz for diverse application needs
• Standard SMA female output connector with 50Ω output impedance
• Wide operating voltage range (9-12V) and low power consumption (<200mA)
• Stable performance across -20~65℃ operating temperature range
• Robust design suitable for scientific experiments and industrial detectionApplications：
• 1654nm specific gas detection and analysis systems
• Ultra-weak optical signal detection and measurement
• High-speed laser pulse detection and capture
• Academic and industrial scientific research experiments
• Precision optical analytical instruments and testing equipment
• Industrial gas sensing and environmental monitoring systems
• Near-infrared optical detection and measurement applicationsSpecifications：

Specifications

Model-Specific Parameters (PD1650C-20M)

Common Parameters (All PD1650 Models)

 Response Curve