LED-excited short wavelength infrared fluorescent microscopic imaging system
A microscopic imaging and short-wave infrared technology, which is applied in fluorescence/phosphorescence, material excitation analysis, material analysis by optical means, etc., can solve the problems of fluorescence microscopic imaging, etc., and achieve small damage to biological tissue, broad development and improvement. Application prospect, the effect of strong signal
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[0018] The present invention will be further described below in conjunction with the drawings.
[0019] Such as figure 1 As shown, the present invention is composed of an LED light source, a collimating lens, a microscope epi-illuminator, a dichroic lens, an objective lens, a tube lens, a filter, an InGaAs camera, and a computer.
[0020] The metal radiator 1 is attached to the back of the LED lamp beads for heat dissipation, and then the light source is connected to a tube 2 with a collimating lens inside, and the distance between the LED light source and the collimating lens is adjusted to achieve the best The collimation effect, the beam after collimation has the smallest divergence angle, and the brightness is uniform in the entire spot range, and the diameter of the spot is equivalent to the diameter of the collimating lens (about 50mm). Connect the collimated LED to the rear port of the microscope epi-illuminator through the above-mentioned sleeve, and the collimated light is...
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