Absolute X-ray Photodiodes target solar spectrum studies.

Press Release Summary:

Featuring 10 x 10 mm active area, IRD AXUV 100GX Absolute X-ray Photodiode possesses known active silicon thicknesses and 100% internal quantum efficiency, allowing absolute measurement of X-ray flux with energies of 100 keV and beyond. Unit requires no external voltage for operation, operates at room temperature, and provides up to 1 Gigarad of radiation hardness. Photodiodes with directly-deposited, thin-metallic filters are available for reducing response to visible light.

Original Press Release:

Opto Diode Introduces Absolute X-ray Photodiodes for Solar Spectrum Studies

Newbury Park, CA - Opto Diode (www.optodiode.com), a division of ITW, and a member of the ITW Photonics Group, now offers semiconductor radiation sensors for detecting photons and other particles. The new product line includes the IRD AXUV 100GX Absolute X-ray Photodiode. The X-ray detector possesses known active silicon thicknesses and 100 percent internal quantum efficiency, making possible absolute measurement of X-ray flux with energies 100 keV and beyond. X-ray responsivity measurements performed at PTB Germany confirm the responsivity of AXUV 100GX devices can be calculated from their known silicon thickness.

Opto Diode's unique IRD line of AXUV 100GX photodiodes features a large (10 mm x 10 mm square) active area with room-temperature operation and a small detector footprint. Simple to use and, unlike any other X-ray detectors on the market, 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.

The advanced sensors are used internationally by synchrotron scientists and by space scientists for the solar spectrum studies. AXUV 100 GX X-ray photodetectors are manufactured domestically and available for shipping now from Opto Diode's Southern California facility.

Opto Diode Corporation (www.optodiode.com) based in Newbury Park, California, is a division of ITW, delivering high-performance, standard and custom photodetectors, and reliable, high quality, standard and custom infrared and visible LEDs. The company, with the recent acquisition of International Radiation Detectors, also designs and manufactures semiconductor radiation devices that detect photons in the UV range, X-rays, and other high energy particles. The domestic U. S. manufacturing plant includes a wafer fab and ensures delivery of volume quantities at competitive prices with short lead times. Opto Diode's rigorous quality control standards meet their customer's strictest requirements in a variety of industries, including test & measurement, biotechnology, medical, entertainment, military/defense, industrial, aerospace, automotive, R&D and more.

About ITW Photonics Group: The ITW Photonics Group was created to bring together and build on the technical expertise of individual companies that specialize in photonics technology and span the full spectrum of wavelengths. The group consists of: Lumex - LED and LCD technology; Cal Sensors - IR Detector and Emitter technology; and, Opto Diode Corp - LED, Silicon Photodiodes and Electro-Optical Assembly technology.
The synergy of these three industry front-runners provides an unsurpassed range of photonic capabilities within a broad spectrum of markets, including medical, military and industrial controls. The ITW Photonics Group provides integrated solutions that encompass the technology and experience from all three business units, offering design engineers higher performance with greater feature enhancements.

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