Invention Application
US20120194900A1 SECOND-HARMONIC GENERATION NONLINER FRENQUENCY CONVERTER 有权
第二谐波发生器非线性转换器

SECOND-HARMONIC GENERATION NONLINER FRENQUENCY CONVERTER
Abstract:
A second-harmonic generation nonlinear frequency converter includes a nonlinear optical crystal. The nonlinear optical crystal includes a plurality of sections. The sections connect to each other in sequence, and each section has a phase different from others. Each of the phases includes a positive domain and a negative domain. Each of the sections includes a plurality of quasi-phase-matching structures. The quasi-phase-matching structures connect to each other in sequence and have the same phase in one section.
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