Air-space low-interference phase microscope based on liquid crystal tunable filter
A technology for tuning filters and phase microscopy, applied in the field of spatial low-coherence phase microscopy, can solve the problems of limited application range, inability to detect sample nanostructure changes, lack of quantitative information, etc., to achieve high spatial domain refractive index fluctuation sensitivity, high Accurate imaging and simple optical path structure
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[0015] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0016] Such as figure 1 As shown, a spatial low-coherence phase microscope based on a liquid crystal tunable filter includes a white light source 1, a beam splitter 8, a first objective lens 9, a stage 10, a first mirror 7, a tube lens 15, and a liquid crystal tunable The filter 16 and the CCD image sensor 17, in order to adjust and collimate the light of the white light source, a collimating light path is also provided between the white light source 1 and the beam splitter 8, and the collimated light is routed through the condenser lens 2, the first lens 3. The first diaphragm 4, the second lens 5 and the second diaphragm 6 are arranged in sequence.
[0017] The white light source 1 uses a xenon lamp light source, which emits white light with high intensity and low coherence. After the white light emitted by the white light source 1 passes through t...
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