一种光学回音壁模式谐振器、及其制备方法和性能调节方法

By forming flat microbubble cavities through axial compression and adjusting the air pressure in closed cavities, the problem of fixed sensitivity and range of optical whispering-gallery mode resonators is solved, achieving high sensitivity and wide applicability.

CN122409020APending Publication Date: 2026-07-17SHENZHEN SDG INFORMATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN SDG INFORMATION CO LTD
Filing Date
2026-06-18
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing optical whispering-gallery mode resonators are limited by the shape of the microbubble cavity, making it difficult to achieve high mechanical sensitivity. Furthermore, the open structure results in fixed performance parameters that cannot be flexibly adjusted according to the measurement scenario.

Method used

A flat microbubble cavity with a ratio of equatorial diameter to axial length greater than 1 is formed by axial extrusion, and the end of the contact probe is melted and sealed to form a closed cavity with independently adjustable gas pressure, thereby achieving dynamic adjustment of sensitivity and range.

Benefits of technology

It significantly improves the mechanical sensitivity and measurement range of the device, and can flexibly switch between high sensitivity-small range and low sensitivity-large range modes in different measurement scenarios, adapting to materials of different hardness and measurement scenarios.

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Abstract

本发明公开了一种光学回音壁模式谐振器、及其制备方法和性能调节方法,该方法包括:在毛细管上形成细管结构并充气加热膨胀形成微泡腔;保持内部气压高于外界,加热软化后沿轴向施加压力,使微泡腔形成为赤道面直径与轴向长度之比大于1的扁平型微泡腔;在微泡腔一侧拉伸形成接触探针;对探针末端加热熔融封闭,形成封闭腔体。该谐振器包括毛细管本体、扁平型微泡腔、接触探针及封闭腔体。性能调节方法包括:获取当前基础谐振频率;根据待测样品力学特性确定目标量程与灵敏度;通过调节封闭腔体内气压改变微泡腔壁受力状态,使基础谐振频率偏移至匹配设定频率范围。本发明解决了灵敏度低且性能无法调节的问题,实现了高灵敏度测量及量程动态可调。
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