巨共振色散对腔内相位干涉和laser陀螺响应的影响
Impact of giant resonant dispersion on the response of intracavity phase interferometry and laser gyros
摘要：
腔内相位干涉测量是一种使用锁模激光器的相位传感技术，其中两个腔内脉冲循环。两个输出频率梳之间的拍频与待测量的相移成比例。激光陀螺仪是这种设备的一种特殊实现。通过对梳齿施加巨大的色散，可以控制$10^{-8}$的灵敏度。这种耦合是用腔内标准具实现的，导致环形激光器的相位响应发生很大变化。这种变化被证明是无关的激光腔内的平均脉冲速度。
英文摘要：
Intracavity Phase Interferometry is a phase sensing technique using mode-locked lasers in which two intracavity pulses circulate. The beat frequency between the two output frequency combs is proportional to a phase shift to be measured. A laser gyro is a particular implementation of this device. The demonstrated sensitivity of $10^{-8}$ could be manipulated by applying a giant dispersion to each tooth of the comb. Such coupling is achieved with an intracavity etalon, resulting a large change in phase response of a ring laser. This change is shown to be unrelated to the average pulse velocity within the laser cavity.
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