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4 August 2009 The application of high-speed photo-detector for calibrating oscilloscope
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After presenting all kinds of calibrating methods to calibrate the magnitude response and risetime of the digital oscilloscope, this paper describes the method that by using femto-second laser pulse to illuminate high-speed photo-detector ultra-fast electrical pulses with only 10ps risetime which are supposed to calibrate the oscilloscope can be generated. In experiment the 12GHz real-time digital oscilloscope has been calibrated successfully. This method has some advantages such as simple structure, convenience in using and great application potential.
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Peng-wei Gong, Chun-tao Yang, Hong-mei Ma, and Ming-ren Deng "The application of high-speed photo-detector for calibrating oscilloscope", Proc. SPIE 7385, International Symposium on Photoelectronic Detection and Imaging 2009: Terahertz and High Energy Radiation Detection Technologies and Applications, 73852C (4 August 2009);

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