Super-resolution optical imaging method for forming small-hole probe based on double-beam transient trepanning
A pinhole probe and optical imaging technology, applied in the field of super-resolution optical imaging, can solve problems such as sample damage, and achieve the effects of low cost, remarkable imaging effect and simple operation
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Embodiment 1
[0038] A super-resolution optical imaging method based on double-beam transient opening to form a pinhole probe, the steps of which include:
[0039] a) coating a layer of phase-change film material 2 on the cover glass 1 by magnetron sputtering;
[0040] b) The above-mentioned cover glass 1 coated with the phase-change thin film material 2 is closely attached to the surface of the sample 3 to be tested, and the side coated with the film is next to the sample;
[0041] c) placing the cover glass 1 and the sample 3 together on the imaging sample moving stage 8;
[0042] d) Using a beam of light with a power density less than 2×109 W / m 2 The probe light 5 and a beam of light with the same wavelength have a power density greater than 2×10 9 W / m 2 , the excitation light 4 with a pulse frequency greater than 1Mhz passes through the cover glass 1 at the same time, and irradiates the same area on the sample 3;
[0043] e) pass the light signal transmitted through the cover glass ...
Embodiment 2
[0050] A super-resolution optical imaging method based on double-beam transient opening to form a pinhole probe, the steps of which include:
[0051] a) coating a layer of phase-change film material 2 on the cover glass 1 by magnetron sputtering;
[0052] b) The above-mentioned cover glass 1 coated with the phase-change thin film material 2 is closely attached to the surface of the sample 3 to be tested, and the side coated with the film is next to the sample;
[0053] c) placing the cover glass 1 and the sample 3 together on the imaging sample moving stage 8;
[0054] d) Using a beam of optical power density less than 2×10 9 W / m 2 The probe light 5 and a beam of light with the same wavelength have a power density greater than 2×10 9 W / m 2 , the excitation light 4 with a pulse frequency greater than 1Mhz irradiates the same area on the sample 3;
[0055] e) pass the light signal transmitted through the cover glass 1 and the sample 3 through a filter 10, and filter out the...
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