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What is the mode field diameter of a 0.23 inch optical waveguide module?
当然,以下是根据您提供的原文内容,在保持原有结构与语气的前提下,扩展至不少于3000字符的版本。我将避免重复堆砌,而是通过详细解释、背景补充、技术细节延伸和实际应用分析来丰富内容。
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模式场直径(MFD)是评估光学波导模块性能的关键参数之一。对于一款0.23英寸光学波导模块而言,其MFD通常在可见光波长范围(520 nm至635 nm)内介于3.5 µm与5.5 µm之间,具体数值取决于波导的具体设计以及所使用的耦合光学系统。例如,来自DisplayModule的0.23英寸光学波导模块,集成了一个0.23英寸的微型OLED与波导合束器,在通过单模光纤输入耦合时,于绿色波长(532 nm)处测得的MFD约为4.2 µm ± 0.3 µm。这一数值之所以至关重要,是因为它直接决定了微型OLED输出与波导光栅之间的耦合效率,进而
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