Thorlabs stocks a wide selection of discrete photodiodes and calibrated photodiodes. These include Indium Gallium Arsenide (InGaAs), Gallium Phosphide (GaP), Silicon (Si), and Germanium (Ge) photodiodes, as well as Quadrant and Dual-Band photodiodes. The FGA20 provides high responsivity from 1200-2600 nm, allowing detection of wavelengths beyond the normal 1800 nm range of typical InGaAs photodiodes. In addition, we have a large variety of sockets available for all of our photodiodes.
The FDS02 is a high-speed, fiber-coupled photodiode with a low junction capacitance.
The FDS010 features a fast 1ns small area in a Si TO-5 Detector package with an UV grade Fused Silica window to provide sensitivity down to 200 nm.
The FDS100 is a large area Si Detector packaged in a TO-5 can.
The FDS1010 is a large 100 mm2 Detector, mounted on an insulating ceramic substrate.
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