The analytical expressions of reflectance and penetration depth of a light beam transmitted in the back-side-coated chirped mirror are obtained through couple-mode equations with boundary conditions.

• 摘要应用耦合模方程对光波在后端镀膜啁啾反射镜中的传播规律进行分析计算，在分析的过程中加入了边界条件的影响，推导出后端镀膜啁啾反射镜在理想情况下的反射率和穿透深度的解析表达式。