研究目的
To report a robust and vibration insensitive optical cavity design suitable for transportable systems and potential space applications.
研究成果
The new robust and vibration-insensitive optical cavity design demonstrated the ability to withstand impacts higher than 100g and showed low vibration sensitivities, making it suitable for transportable applications and a good candidate for space applications.
研究不足
The robustness of the contacting between the cavity mirrors and the spacer was not discussed, as there are existing discussions on the robustness of glass bondings for space applications.
1：Experimental Design and Method Selection:
The design involved a robust and vibration-insensitive optical cavity, tested by dropping models from heights to simulate impact.
2：Sample Selection and Data Sources:
An aluminum cavity model and a ULE cavity spacer were used for robustness testing.
3：List of Experimental Equipment and Materials:
The setup included a supporting frame made of 7075 Aluminum alloy, ULE glass cavity spacer, fused silica mirrors, and Viton balls for buffering.
4：Experimental Procedures and Operational Workflow:
The cavity was dropped from specified heights to test impact resistance, and vibration sensitivities were measured in three orthogonal directions.
5：Data Analysis Methods:
Impact accelerations were estimated theoretically and measured with an accelerometer; vibration sensitivities were derived from laser frequency variations during shakings.
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