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A green printed circuit board labeled "G&H Compact PDR Driver" with various electronic components, connectors, and a centrally mounted gold-colored G&H PDR module (serial number 02672795). Two fiber optic cables are connected to the module's labeled ports "R" and "S", and multiple gold SMA connectors are visible along the edge of the PCB. The entire assembly rests on a black grooved surface.

Polarization Diverse Receiver (PDR) Mounted on Balanced Detector Interface PCB

The G&H PDR is housed in a compact, hermetically sealed package, mounted on to a balanced detector PDB for ease of integration or evaluation.

Full Product Description

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Product description

G&H specialize in providing optical components for high performance measurement and instrumentation systems.

G&H’s Polarisation Diverse Receiver (PDR) mixes an incoming signal with a reference (local oscillator), thereby shifting any phase and amplitude fluctuations on the optical carrier to a carrier at an electronic frequency. The S and P states of polarisation of the mixed signal are analysed with a pair of balanced detectors.

Balanced detector interface PCB for PDR - The circuit design is a dual-balanced receiver circuit, giving a balanced output signal for two pairs of photodiodes.

Applications

  • Optical Coherence Tomography (OCT)
  • Fiber sensing
  • Lidar
  • Instrumentation

Key features

  • Polarization-dependent balanced detection
  • Supports 1060 nm, 1310 nm and 1550 nm PDR variants
  • Noise filtering for maximum image quality
  • High common mode rejection
  • Easily connected to facilitate evaluation and use

PDR presentation