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Opto Diode offers semiconductor radiation sensors

Opto Diode

Semiconductor radiation sensors

Opto Diode now offers semiconductor radiation sensors for detecting photons and other particles, suitable for use by synchrotron scientists and by space scientists for solar spectrum studies.

The new product line includes the IRD AXUV 100GX absolute X-ray photodiode.

The X-ray detector possesses known active silicon thicknesses and 100 per cent internal quantum efficiency, enabling the absolute measurement of X-ray flux with energies of 100keV and beyond.

X-ray responsivity measurements performed at PTB Germany confirm that the responsivity of AXUV 100GX devices can be calculated from their known silicon thickness.

Opto Diode’s IRD line of AXUV 100GX photodiodes features a large (10 x 10mm square) active area with room-temperature operation and a small detector footprint.

Simple to use, the IRD X-ray detector requires no external voltage for operation.

The nitrided-oxide front window of the AXUV 100GX diode provides up to a Gigarad (SiO2) of radiation hardness, which is 10,000 times greater than standard PIN silicon photodiodes.

Photodiodes with directly deposited, thin metallic filters are available for reducing response to visible light by several orders of magnitude.

AXUV 100 GX X-ray photodetectors are manufactured domestically and are available now for shipping from Opto Diode’s southern California facility.

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