| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical radiation pressure measuring device capable of easily and accurately measuring an optical radiation pressure, a resonance frequency regulating method capable of easily adjusting a resonance frequency of a resonance body, an aperture diameter inspection device evaluating a minute aperture of the resonance body, and a near field microscope provided with the aperture diameter inspection device. SOLUTION: The optical radiation pressure measuring device, the resonance frequency regulating method, the aperture diameter inspection device and the near field microscope provided with the aperture diameter inspection device utilize that a frequency characteristic of the resonance body is changed by the optical radiation pressure P when incident light 18 is irradiated on a reflecting means 64 provided on the resonance body.
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