System and method for carrying out CARS (Coherent anti-Stokes Raman Scattering) imaging by using four-wave mixing signals generated by optical fiber
A four-wave mixing, optical fiber technology, applied in Raman scattering, material excitation analysis, etc., to simplify the system and save costs
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[0046] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0047] Such as figure 1 As shown, the CARS imaging system proposed by the present invention using the four-wave mixing signal generated by the optical fiber includes: a laser light source 1, a first reflector 2, a second reflector 3, an optical parametric oscillator 4, and a third reflector 5 , the fourth mirror 6, the fifth mirror 7, the sixth mirror 8, the seventh mirror 9, the eighth mirror 10, the precision displacement stage 11, the ninth mirror 12, the first long-wave pass dichroic mirror 13. Tenth mirror 14, coupling objective lens 15, optical fiber 16, two-dimensional scanner 17, focusing lens 18, support sleeve 19, sample 20, second long-wave pass dichroic mirror 21, band-pass filter 22, imaging lens 23. Detector 24 and computer 25.
[0048] Laser light source 1 is with 2~7ps or 10 2 A high-frequency pulse near-infrared laser light source with fs-...
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