Optical system of multichannel fluorescent quantitative PCR instrument
A fluorescent quantitative and optical system technology, applied in the optical system field of multi-channel fluorescent quantitative PCR instrument, can solve the problems of high spectral utilization rate and large light intensity difference, so as to improve spectral utilization rate and overcome the large light intensity difference between wells Effect
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[0040] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0041] Such as figure 2 As shown, an optical system of a multi-channel fluorescent quantitative PCR instrument includes multiple switchable LED light sources 1, a convex lens 2, an optical fiber light input end 3, an optical fiber scanning end 4, an optical fiber light output end 5, and a scanning lens array 6. Lens group 7 and imaging sensor 8 . The lens group 7 includes two double-cemented achromat lenses arranged opposite to each other, which can avoid image blur caused by chromatic aberration when different detection channels are used.
[0042]Each LED light source 1 is used to emit excitation light of different wavelengths, and one LED light source 1 provides one channel of excitation light; the convex lens 2...
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