21 December 2013 Analysis of the spatial chirp in the ultrashort pulsed finite beam diffraction by the volume Bragg grating
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Proceedings Volume 9047, 2013 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication; 90470H (2013) https://doi.org/10.1117/12.2037837
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China
Abstract
Two-dimensional coupled wave theory is used to calculate spatial dispersion of the diffraction pulse through volume Bragg grating (VBG). Results indicate that the spatial dispersion, which describes the spatial chirp and reflects globally how far different frequency components separate, is influenced by the grating parameters, wavelength and the propagation distance. To two ultrashort pulses with different durations (100fs, 20fs), the degree of spatial broadening through the VBG and the propagation process is both presented. The approach provides a theoretical foundation to design proper volume Bragg gratings for redressing the spatial chirp in the ultrashort-pulse laser system.
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Biao Qiu, Biao Qiu, Baoxing Xiong, Baoxing Xiong, Shang Wu, Shang Wu, Guiju Zhang, Guiju Zhang, Kuaisheng Zou, Kuaisheng Zou, Xiao Yuan, Xiao Yuan, } "Analysis of the spatial chirp in the ultrashort pulsed finite beam diffraction by the volume Bragg grating ", Proc. SPIE 9047, 2013 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication, 90470H (21 December 2013); doi: 10.1117/12.2037837; https://doi.org/10.1117/12.2037837
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