相位、群延迟与GDD

多层涂层的光谱相位、群延迟和群延迟色散。适用于超短脉冲反射镜和激光系统宽带AR涂层。

Computes φ(λ), GD(λ) and GDD(λ) from the complex reflection (or transmission) amplitude of the TMM kernel. Phase is unwrapped to avoid 2π jumps.