用于原子干涉惯性仪表的原子炉与真空腔体同轴装配方法

By combining through-beam lasers and fiber collimators, the problem of high-precision coaxial assembly between the atomic furnace and the vacuum cavity was solved, achieving high-precision overlap of the atomic beam motion path, which is suitable for high-sensitivity measurement of atomic interferometric inertial instruments.

CN120800427BActive Publication Date: 2026-07-17BEIJING INST OF AEROSPACE CONTROL DEVICES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING INST OF AEROSPACE CONTROL DEVICES
Filing Date
2025-06-30
Publication Date
2026-07-17

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Abstract

本发明一种用于原子对射干涉惯性仪表的原子炉与真空腔体同轴装配方法，将经保偏光纤传输、偏振正交的两束激光通过光纤准直器准直后远距离的对射共线，作为轴向装配定位基准；再利用激光反射共线定位法将反射镜平行压接到原子炉发射口中心同轴的背部；然后利用小孔定位法将真空腔体同轴固定在光学平台上的对射激光基准中心；再依次利用激光反射共线定位法同轴装配左右两侧的原子炉，完成对射原子干涉惯性仪表的真空系统的同轴装配。利用激光对射共线同轴传输可实现原子炉实体与真空腔体同轴低精度对准；再利用光纤准直器作为激光输出与输入共用的方法，实现原子炉发射口中心与真空腔体同轴高精度安装。
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