Photovoltaic detectors have a spectral range of up to 3.5µ

Posted By : Alice Matthews
Photovoltaic detectors have a spectral range of up to 3.5µ

Manufacturer of photovoltaic Indium Arsenide detectors, LASER COMPONENTS, globally supplies these industrial grade quantum sensors. The semiconductor material absorbs incident IR photons generating electron hole pairs which are collected at external electrodes. Photovoltaic detectors are a suitable choice for many applications due to their high sensitivity, fast response, low noise and wide dynamic range.

The IA35 is a heterostructure photodiode on an InAs substrate with a relatively wide peak at 2.8µ.

The IA35 has a 0.5mm diameter chip and is designed specifically for uncooled operation and has a spectral range of up to 3.5µ, 20% cut off.

The curve of the spectral response can be seen in the image shown.

Compared to standard InAs products the IA35 offers double the shunt resistance with a quadrupled area.

The devices are manufactured in standard TO style packages and have long expected lifetimes making them suitable for fit and forget applications such as gas analysis, noncontact temperature measurement, laser monitoring and spectrophotometry.

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