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4 August 2009The application of high-speed photo-detector for calibrating oscilloscope
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, 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);