The internal quantum efficiency in the soft X-ray to UV region is nearly 100%.
OPTO DIODE (formerly IRD) has developed a Si photodiode with an internal quantum efficiency of nearly 100% in the soft X-ray to UV range in collaboration with research institutions such as NIST and LLNL. This compact and easy-to-handle Si photodiode is expected to be useful not only in high-energy light research but also in the fields of electrons and ions.
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★Features★ - Supported wavelength sensitivity range*: 0.04nm to 1100nm (Energy range: 1.12eV to 30KeV) * Please note that the supported range varies by model. - 100% internal quantum efficiency (Q.E.), radiation resistance, high dynamic range - Calibratable: NIST (USA), PTB (Germany), (National Institute of Advanced Industrial Science and Technology**) ** May not be supported for certain wavelengths. ★Series★ - AXUV Series: SiO2 layer 6−8nm, 100% Q.E. Photon detection range (0.04nm to 1100nm) Low energy electrons and ions - UVG Series: SiO2 layer 40−150nm, 100% Q.E. Photon detection range (130nm to 1100nm) - SXUV Series: metal silicide layer For high flux photons and UV/EUV pulsed light sources, High energy density >0.1μJ/cm2 for pulse detection
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Applications/Examples of results
- X-ray plasma, X-ray to UV laser, X-ray astronomy, X-ray spectroscopy - Synchrotron X-ray beamline The company's IRD Si photodiodes are used in synchrotron facilities in Japan and abroad. Examples: RACE - Ring Accelerator Experiment at Lawrence Livermore National Laboratory - Space missions EU: SOHO, Coronas-Photon USA: SNOE, SORCE, TIMED, EOS
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RAD Device: The name of RAD Device Co., Ltd. is derived from "radiation" and key devices related to it. In physics, "radiation" refers to the process of energy emission such as electromagnetic waves and particles, and the research fields are diverse. Currently, the region of soft X-rays to UV with high energy and short wavelengths is a leading area of cutting-edge technology related to various applications, from astronomical observations to measurement and manufacturing (nanotechnology), where the devices used (such as detection and wavelength selection) play an important role. However, many existing products still face challenges in terms of performance, operability, and environmental resistance, indicating that this is a field where future advancements are expected. RAD Device was established with the aim of contributing to society by timely delivering key devices and related technical information to the research and development sites associated with radiation.
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