Laser induced breakdown spectrometer and spectral signal collection method of same
A technology of laser-induced breakdown and spectrometer, applied in the field of laser diagnosis and measurement, to achieve the effect of less mechanical parts, improved adjustment accuracy and simple structure
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Embodiment 1
[0038] A laser-induced breakdown spectrometer, including a light-receiving lens barrel and a laser; also includes a rotating platform and a rotating pillar, the rotating platform is connected to the rotating pillar, and the rotating platform can rotate around the central axis where the rotating pillar is located, relative to the center axis, the position of the laser is fixed, the light-receiving lens barrel is fixed on the rotating platform, and both the laser and the light-receiving lens barrel are emitting pulsed laser light and collecting spectral signals at the same position on the central axis.
[0039] The rotating platform is rotatably connected with the rotating pillar. The structure is simple, the manufacturing cost is low, the rotating platform can be rotated by pushing the rotating platform, and the operability is strong.
[0040] When the spectrometer is working, the laser emits pulsed laser light to the sample at the central axis of the rotating platform to excit...
Embodiment 2
[0043] Such as figure 1 As shown, a laser-induced breakdown spectrometer includes a light-receiving lens tube 1 and a laser 2; it also includes a rotating platform 3 and a rotating support 4, and the rotating platform 3 is connected to the rotating support 4, and the rotating platform 3 can rotate around the The central axis where the pillar 4 is located rotates, relative to the central axis, the position of the laser 2 is fixed, the light-receiving lens barrel 1 is fixed on the rotating platform 3, and the laser 2 and the light-receiving lens barrel 1 are both on the central axis The same location emits pulsed laser light 15 and collects spectral signals.
[0044] The light-receiving lens barrel 1 integrates a focusing optical lens and a dedicated light-receiving probe for optical fibers. The optical lens and the light-receiving probe perform accurate optical focusing. Connect the optical fiber 13 to connect to the spectrum analyzer 12, and transmit the spectral signal throug...
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