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  • Title: A simple sub-nanosecond ultraviolet light pulse generator with high repetition rate and peak power.
    Author: Binh PH, Trong VD, Renucci P, Marie X.
    Journal: Rev Sci Instrum; 2013 Aug; 84(8):083102. PubMed ID: 24007048.
    Abstract:
    We present a simple ultraviolet sub-nanosecond pulse generator using commercial ultraviolet light-emitting diodes with peak emission wavelengths of 290 nm, 318 nm, 338 nm, and 405 nm. The generator is based on step recovery diode, short-circuited transmission line, and current-shaping circuit. The narrowest pulses achieved have 630 ps full width at half maximum at repetition rate of 80 MHz. Optical pulse power in the range of several hundreds of microwatts depends on the applied bias voltage. The bias voltage dependences of the output optical pulse width and peak power are analysed and discussed. Compared to commercial UV sub-nanosecond generators, the proposed generator can produce much higher pulse repetition rate and peak power.
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