Violet to Infraned Multiwavelength Generation in Periodically Poled Lithium Niobate Pumped by a Q—Switched Nd:YVO4 Laser |
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作者姓名: | 许祖彦 梁晓燕 等 |
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作者单位: | [1]LaboratoryofOpticalPhysics,InstituteofPhysicsandCenterforCondensedMatterPhysics,ChineseAcademyofSciences,Beijing100080 [2]LaboratoryofOpticalPhysics,InstituteofPhysicsandCenterforCondensedMatterPhysics,C |
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摘 要: | Six output wavelengths from violet to infrared have been observed simultaneously from an all-solid-state laser pumped optical parametric oscillator in a periodically poled lithium niobate crystal.The output wavelengths can be tuned by varying the quasi-phase matched period and/or temperature.The pump laser is a diode-pumped pasive Q-switched Nd:YVO4 laser operated at 1064nm.Using a crystal with a 29.9μm grating period,we measured six wavelengths at 448,515,532,630,773 and 1546nm and obtained efficient output.We explain the multiwavelength generation by multiwave coupling theory.This phenomenon may have novel applications in photonic devices.
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关 键 词: | 光振荡器 Q-开关 Nd:YVO4激光器 红外多波长 |
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