停止偿付
发表于 2025-3-26 22:20:19
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前面
发表于 2025-3-27 02:32:59
Polymer and Fiber Integrated Optics, this development is cost reduction. Semiconductor materials and dielectric materials such as lithium niobate are relatively expensive and the processes used to fabricate devices in those materials are very complex. As the size and complexity of fiber optic telecom and datacom systems has grown, lea
教义
发表于 2025-3-27 09:09:58
Losses in Optical Waveguides, as to which modes propagate, the next most important characteristic of a waveguide is the attenuation, or loss, that a light wave experiences as it travels through the guide. This loss is generally attributable to three different mechanisms: Scattering, absorption and radiation. Scattering loss usu
Deadpan
发表于 2025-3-27 11:21:56
Waveguide Input and Output Couplers,ore detail the various coupling techniques that can be used. The methods that are employed for coupling an optical beam between two waveguides are different from those used for coupling an optical beam in free space to a waveguide. Also, some couplers selectively couple energy to a given waveguide m
Iatrogenic
发表于 2025-3-27 16:38:18
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overreach
发表于 2025-3-27 20:52:34
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intricacy
发表于 2025-3-27 23:50:28
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粗野
发表于 2025-3-28 04:23:00
Semiconductor Lasers,emission is that it is possible to design a light source in such a way that stimulated emission of photons will predominate over both spontaneous emission and absorption. If a resonant reflecting structure such as a pair of plane, parallel end faces is provided, a lasing mode can be established and
死亡率
发表于 2025-3-28 07:27:46
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FLASK
发表于 2025-3-28 11:07:08
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