Patent ID: 11874113
Assignee: ZHEJIANG UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The bidirectional microwave-over-fiber resonant system based on the circulator structure according to claim 1, wherein the cavity-length adjuster comprises a first stage cavity-length adjuster (14) and a second stage cavity-length adjuster (15); the first stage cavity-length adjuster (14) has a larger adjustment range than the second stage cavity-length adjuster (15); wherein the first stage cavity-length adjuster (14) is used for slow adjustment of cavity length, and the second stage cavity-length adjuster (15) is used for fast adjustment of cavity length; and the first stage cavity-length adjuster (14) and the second stage cavity-length adjuster (15) are used as an optical path adjustment unit, and each of the first stage cavity-length adjuster (14) and the second stage cavity-length adjuster (15) adopt a fiber stretcher, a dimmable light delay line or a spatial light displacement stage.