Solid blue light laser using multiple channel frequency-multiplication period super lattice as variable frequency crystal
A frequency-converting crystal and superlattice technology, which is applied to lasers, laser components, phonon exciters, etc., to achieve the effect of easy-to-obtain and high-efficiency triple-frequency blue light output
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[0045] As shown in the figure, on the left is a seven-channel periodic structure, which is used to realize the frequency doubling process; on the right, the periodic structure is used to realize the sum-frequency process. In the experiment, the fundamental wave light can be passed through the seven channels respectively to find the sum-frequency process. The maximum satisfaction of the matching conditions is obtained to obtain efficient Blu-ray output.
[0046] According to the above formula, we use seven channels for the first segment of the periodic structure used to achieve frequency doubling, and the matching temperature is from 89°C to 131°C, increasing at intervals of 7°C. The corresponding periods are calculated to be 14.608484 μm, 14.630559 μm, 14.652308 μm, 14.673729 μm, 14.694818 μm, 14.715572 μm, 14.735989 μm. For the periodic structure used to realize the sum frequency in the second stage, the matching temperature is 110°C, and the corresponding period is 4.881003μ...
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