| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Time-Grating for the Generation of STUD Pulse Trains |
| ZHENG Jun, WANG Shi-Wei, XU Jian-Qiu** |
Key Laboratory for Laser Plasmas (Ministry of Education) and Department of Physics, Shanghai Jiao Tong University, Shanghai 200240
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| Cite this article: |
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ZHENG Jun, WANG Shi-Wei, XU Jian-Qiu 2013 Chin. Phys. Lett. 30 044204 |
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Abstract Spike train of uneven duration or delay (STUD) pulses hold potential for laser-plasma interaction (LPI) control in laser fusion. The technique based on time grating is applied to generate an STUD pulse train. Time grating, a temporal analogy of the diffraction grating, can control the pulse width, shape, and repetition rate easily through the use of electro-optical devices. The pulse width and repetition rate are given by the modulation frequency and depth of the phase modulation function in theory and numerical calculation. The zero-chirped phase modulation is good for the compression effect of the time grating. A principle experiment of two pulses interfering is shown to verify the time grating function.
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Received: 10 October 2012
Published: 28 April 2013
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