Integrated optical mode converter is an important component of optical switches, modulators and filters.

集成光学模转换器是光开关，光调制器，光学滤波器的重要组成部分。

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This paper studied a four-layer Kerr-type nonlinear slab-guided optical mode(TE mode) and obtained the analytical solution.

本文讨论了四层克尔型非线性介质平板结构中两种形式的光波导模问题（TE波），并求得解析解。

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With the structure, the focusing ring can be quickly clamped on the optical mode lens; and assembly and disassembly are convenient and positioning is accurate.

由于本实用新型采用了上述结构，调焦环可快速地卡装在光模镜头上，拆装方便、定位准确。

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Taking HD video to the next level, the COOLPIX P7700 is capable of intelligent autofocus while recording in any mode as well as optical zoom when shooting in Auto mode.

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The important thing is learning whether in principle a more stable mode of optical quantum communications are possible.

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In Everyday mode, the optical zoom is limited to 3.5X, and the area in which refocusing works is fixed.

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