敏感线圈的热非互易性是引起光纤陀螺温度漂移的重要因素之一，因而人们多采用四极对称技术（QAD）绕制光纤线圈。
The thermal nonreciprocity in sensing coil is one of sources induced temperature drift in FOG , so the fiber loop is usually wound by quadrupole(QAD) symmetrical technique.
导出了克尔非线性梯度折射率光纤轴对称模传播常数的解析公式。
The analytic formulas of propagation constants of axisymmetric modes in a Kerr law nonlinear graded index optical fiber are derived.
该法对任意的圆对称折射率剖面光纤计算传输常数和色散能够得到满意的结果。
Good result is achieved for the propagation constants and chromatic dispersion of arbitrary index profile single mode fiber.
给出了计算这种光纤轴对称模式转换的公式。
The formula is given for the calculation of the axisymmetric mode conversion.
讨论了单模光纤的偏振模色散PMD，包括PMD与单模光纤的几何尺寸及应力的非圆对称的关系；模间耦合的影响。
The PMD in singlemode fiber, including the relationships between PMD and the circular asymmetries of geometry and stress in fiber, the influence of mode coupling on PMD, are discussed.
由于光纤和轴向偏振光的中心对称性，利用轴向偏振光更能有效的激发表面等离子体，从而提高传感特性。
Because of the rotational symmetry of fiber and RPB, surface plasmon can be excited more efficiently at the sensor surface, which results in an obvious improvement of the sensitivity.
由于光纤和轴向偏振光的中心对称性，利用轴向偏振光更能有效的激发表面等离子体，从而提高传感特性。
Because of the rotational symmetry of fiber and RPB, surface plasmon can be excited more efficiently at the sensor surface, which results in an obvious improvement of the sensitivity.
应用推荐