Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 22, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4722931
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Funding
- National Natural Science Foundation of China [61125503, 61078009, 11121504]
- National Basic Research Program 973 of China [2011CB808101]
- Foundation for Development of Science and Technology of Shanghai [11XD1402600]
- State Key Laboratory of High Field Laser Physics
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We propose a scheme for efficient Cherenkov high-order harmonic generation. Second to fifth order harmonic wave are observed in a single periodically poled ferroelectric crystal in our experiment. The noncollinear high-order harmonic generation is produced via enhanced Cherenkov second harmonic cascaded with successive multistep sum-frequency generation with simultaneously longitudinal phase-matching. The emission angle and power dependencies are analyzed in detail experimentally, which coincide with theoretical predictions. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4722931]
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