| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Measurement of Long-Pulse Fine Structure by Time-Spectrum Coding |
| LIU Ji-Gang, XIE Guo-Qiang**, QIAN Lie-Jia**, YUAN Peng |
Department of Physics, Key Laboratory for Laser Plasmas (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240
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| Cite this article: |
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LIU Ji-Gang, XIE Guo-Qiang, QIAN Lie-Jia et al 2013 Chin. Phys. Lett. 30 054204 |
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Abstract We propose and numerically simulate a time-spectrum coding method to measure the fine structure of long pulses. By a difference-frequency (DF) interaction between the pending-measured long pulse and a linearly chirped pulse, the spectrum of the generated DF pulse contains the intensity information of the pending-measured pulse and the frequency information of the linearly chirped pulse. The numerical simulation results show that the fine structure of the pending-measured pulse can be derived from the spectra of the DF pulse and the linearly chirped pulse.
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Received: 23 January 2013
Published: 31 May 2013
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| PACS: |
42.65.Yj
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(Optical parametric oscillators and amplifiers)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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