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                                          增益芯片/增益模块
                                          增益芯片是构建可调谐二极管激光器或高稳定外腔二极管激光器不可替代的增益介质。 增益芯片类似于激光二极管芯片,只是它在一个或两个方面都有深层抗反射涂层,这显着提高了自激射阈值或消除自激射。 增益模块与增益芯片类似,但一侧耦合到单模光纤。 它非常适用于构建具有光纤输出的可调谐激光器。 工厂制造的光纤耦合确保优化的耦合效率、长期稳定性和出色的可靠性。 增益模块消除了对通常在具有裸增益芯片的方案中使用的许多组件的需求,从而大大提高了系统可靠性并降低了成本。 由于内置 TEC 和高精度热敏电阻,增益模块的另一个特点是温度稳定性。
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