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模场直径(又称模斑尺寸)是描述单模光纤特性的一个重要参数,也是单模光纤设计和生产时的一个控制参数——光纤的设计、制造者,在对光纤的接头损耗和微弯损耗权衡后,确定模场直径的最佳值,而后在制造过程中把它控制在10％的容限内。模场直径与光纤的接头损耗、连接器损耗、光功率注入光纤的损耗以及光纤弯曲和微弯的损耗都有密切的关系。在径向光强度分布接近于高斯分布的光纤内,如果模场直径做得很小,即使
Mode field diameter (also known as plaque size) is an important parameter to describe the characteristics of single-mode optical fiber, which is also a control parameter in the design and manufacture of single-mode optical fiber - the designer and manufacturer of optical fiber, Bending loss Weighing determines the optimum value of the mode field diameter and then controls it to within 10% of the tolerance during the manufacturing process. The mode field diameter is closely related to the splice loss of the fiber, the loss of the connector, the loss of the optical power injected into the fiber and the loss of the fiber bend and the microbend. In a fiber with a radial light intensity distribution close to Gaussian distribution, if the mode field diameter is made small, even if