OCT and sensor systems require high-performance balanced photodetectors to increase system signal-to-noise ratio (SNR). General Photonics’ BPD-002 balanced photodetector module is specially designed for use in research and development, with ease of use and high performance as the primary design goals.
The BPD-002 device is fully enclosed in a compact, sturdy aluminium box with two optical input ports, a balanced RF output port, two 1 MHz monitor ports and a power supply port. With a bandwidth up to 200 MHz, a transimpedance gain larger than 30K and a saturation power larger than 130 µW, the BPD-002 balanced photodetector is ideal for integration into laboratory or commercial OCT, fiber sensor, and high-performance optical measurement systems.
Low Noise and High Common Mode Rejection Ratio (CMRR)
High Conversion Gain
Wide RF Output Bandwidth (3dB): DC to 200, 100, 50, 10 or 5 MHz
Wavelength Range: 1060, 1310 or 1550 nm ±50 nm
Compact Size: 97 x 61 x 19 mm
Photodetector Type: InGaAs
Photodetector Responsivity: 0.7 mA/mW @1310 nm
Transimpedance Gain: 3×104 V/A
CW Balanced Saturation Power: >130 μW @ 1310 nm
PD Input Power (linear range): 0 to 1 mW @ 1310 nm
PD Power Damage Threshold: 20 mW
Common Mode Rejection Ratio: >25 dB
RF Output Voltage Range (at 50 Ω): ±1.8 V
Applications: Optical Coherence Tomography; Fiber Sensing Interrogator; Instrumentation; Research and Development
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