Multi-mode array type scanning imaging device combined with multi-photon excitation
A scanning imaging, multi-mode technology, used in measurement devices, material excitation analysis, optics, etc., can solve the problems of slow imaging speed, difficult to improve resolution, and the effect of thick sample scattering, and achieve the effect of improving scanning speed.
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[0036] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings
[0037] A multi-mode array scanning imaging device combined with multi-photon excitation in this example includes that in the multi-photon excitation mode, the illumination source is provided by a titanium sapphire pulsed femtosecond laser (1), and the optical shutter (2) is used to realize the light source. Switch control, the polarizer (3) and the half-wave plate (4) are used to control the laser power, the beam is reflected by the first reflector (6) to the first beam splitter (7), and the semiconductor laser (5) acts as a single photon The light source for experiments and common fluorescence imaging can combine two beams of light through the first beam splitter (7), so that different imaging modes can be combined. The beam conversion unit (8) is a beam expander composed of a lens pair with a focal length ratio of 1:2, which realizes twice the beam ex...
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