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Photonics Spectra
Apr 2004
ALPHALAS GmbHRequest Info
Alphalas GmbH has extended its UPD series ultrafast photodetectors to cover the spectral range from 190 to 1800 nm. They can be powered by a battery or an external power supply and are suitable for light-pulse-form and pulse-duration measurements, and for precise synchronization. Rise time for the UPD-40 IR2 is below 40 ps, with 90% quantum efficiency and a sensitive area of 0.003 mm2. The company says that the PIN photodiodes are compact and offer sensitivity that is two orders of magnitude larger in the near-IR than that of vacuum photodiodes.


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