APD20 series APD photodetector module, can detect near infrared light in the region of 400-1700nm with fiber coupling input, bandwidth from 10M to 400M. suitable for detecting nW level of optical power.
they are widely used in coherent detection applications for distributed fiber optic sensing, and in scenarios such as wind measurement radar.
One photodetector module with 4/8/16 channels, compact size, easy integration, customized parameters
The DET30 bias photodetector is a compact, unamplified, fiber-optic input, battery-powered detector with very low noise, and can be used to detect optical signals with ps-level pulse widths.