Visual background device, fluorescence microscopic optical system and scanning analysis system
A visual background and optical system technology, applied in the direction of material analysis, fluorescence/phosphorescence, measuring devices, etc. through optical means, to achieve the effect of small reflection phenomenon and improve quality
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Embodiment 1
[0030] figure 2 It is a schematic diagram of a visual background device of a fluorescence micro-optical system according to an embodiment of the present application; image 3 for figure 2 A schematic diagram of the visual background setup and the objective lens of the fluorescence microscopy optical system is shown.
[0031] like figure 2 and image 3 As shown, the visual background device of the fluorescence micro-optic system of the embodiment of the present application is used for the fluorescence micro-optic system of the fluorescence staining cell scanning and analysis system. One side of the visual background device can provide fluorescence as the background light of the observed object 332, and the side of the visual background device that can provide fluorescence has a non-reflective area 310, and the non-reflective area 310 transmits the excitation light. over or absorbed;
[0032] Wherein, the non-reflection area 310 is used to face the objective lens of the ...
Embodiment 2
[0064] Figure 4 It is a schematic diagram of the fluorescence micro-optic system of the embodiment of the present application; Figure 5 for Figure 4 Schematic diagram of the PWM dimming setup of the fluorescence micro-optical system shown; Image 6 for Figure 5 Schematic diagram of the pulse voltage output by the PWM controller of the shown PWM dimming device.
[0065] Such as Figure 4 As shown, the fluorescence micro-optical system of the embodiment of the present application is used in the scanning and analysis system of fluorescent stained cells, and includes the visual background device described in the first embodiment.
[0066] implementation, such as Figure 4 As shown, the fluorescence micro-optical system further includes an objective lens 331 , a PWM dimming device 333 , and a filter device 334 . Next, the PWM dimming device will be described.
[0067] Such as Figure 5 with Image 6 As shown, the PWM dimming device includes:
[0068] voltage source 22...
Embodiment 3
[0095] A fluorescent staining cell scanning and analysis system according to an embodiment of the present application includes the visual background device described in Embodiment 1.
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Abstract
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