8 September 2011 Temporal shaping of the femtosecond pulse by micro-gratings array
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A temporal femtosecond pulse shaping device, based on all-diffractive method, is designed for arbitrary waveform generation. The key components of the device are micro-gratings arranged in line. By changing the period and phase pattern of each grating, the diffraction angle, phase and amplitude of the first order diffraction light can be modulated. Experimental results are consistent well with simulation results, which indicate that arbitrary temporal waveforms can be gained by using micro-gratings array. Additionally, the configuration of the device allows for multiple outputs and can operate over a large wavelength range from ultraviolet to infrared pulse.
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Yongming Nie, Xiujian Li, Wenhua Hu, Jankun Yang, Shishang Luo, "Temporal shaping of the femtosecond pulse by micro-gratings array", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81910J (8 September 2011); doi: 10.1117/12.899375; https://doi.org/10.1117/12.899375

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