Multiple spectral section continuous tuning high resolution infrared laser spectral measuring system and method
An infrared laser and spectral measurement technology, which is applied in the field of gas laser spectral measurement systems, can solve the problems of limited output wavelength tuning range, inability to meet on-site detection, and multi-component detection.
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[0015] See Figure 1
[0016] Labels in the figure: 1, optical platform 2, industrial control cabinet 3, industrial computer 4, wavelength meter 5, ECDL laser power controller 6, DFB laser power controller 7, near-infrared InGaAs PIN photodetector 8, DC power supply 9, medium Infrared thermoelectric cooling MCT photodetector 10, aspheric mirror 11, gas absorption cell 12, aspheric mirror 13, fiber optic collimating lens 14, 635nm visible light collimating laser 15, Ge filter 16, CaF 2Focusing lens 17, crystal heating furnace 18, crystal heating furnace temperature controller 19, fiber collimating lens 20, 635nm visible collimating laser 21, 1 / 2 wave plate 22, DFB laser 23, ECDL laser 24, rotatable mirror 25 , 1 / 2 wave plate 26, rotatable mirror 27, beam combiner 28, cemented focusing lens 29, PPLN nonlinear crystal 30, mirror 31, focusing lens 32, fiber coupler 33, gas absorption cell 34, focusing lens . Among the above-mentioned components, 3-6 are installed in the industria...
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