Segmented InGaAs Photodiodes: FCI-InGaAs-QXXX Series


OSI Optoelectronics offers the FCI-InGaAs-QXXX series of large active area InGaAs quadrant photodiodes segmented into four separate active areas. The series features high response uniformity and a low cross talk between the elements, making them ideal for accurate nulling or centering applications as well as beam profiling applications.

The InGaAs photodiodes come in 1mm and 3mm active area diameters, exhibit excellent responsivity from 1100 nm to 1620 nm, and are stable over time and temperature, and fast response times necessary for high speed or pulse operation. They are packaged in isolated TO-5 or TO-8 cans with a broadband double-sided AR coated flat window, and also can be mounted on ceramic substrate per request.

For additional features and specifications on this series of InGaAs quadrant photodiodes, download the available datasheet.

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