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A spectral energy adjustment device

A technology of energy adjustment and spectrum, which is applied in measuring devices, color/spectral characteristic measurement, material analysis through optical means, etc., can solve the problem of limited signal-to-noise ratio and achieve the effect of improving signal-to-noise ratio

Active Publication Date: 2022-06-24
QINGDAO HAINA PHOTOELECTRICAL ENVIRONMENTAL PROTECTION
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

In actual use, the signal-to-noise ratio of the absorption spectrum measured at the position with higher energy value is higher, while the signal-to-noise ratio of the absorption spectrum measured in most spectral bands is limited

Method used

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  • A spectral energy adjustment device
  • A spectral energy adjustment device
  • A spectral energy adjustment device

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Embodiment Construction

[0023] like Figure 3-6 As shown, the embodiment of the present invention provides a spectral energy adjustment device, including a pulsed xenon lamp arranged on the main optical axis, an optical component with axial chromatic aberration, and an adjustment component that can move along the main optical axis, so The adjustment component is provided with a light-transmitting hole, and the light-transmitting hole is located on the main optical axis.

[0024] Wherein, the light-transmitting holes are circular holes.

[0025] The optical component with axial chromatic aberration is a lens or lens group that has a converging effect on the light beam, and can be a combination of multiple lenses with positive total refractive power and with axial chromatic aberration.

[0026] The optical component with axial chromatic aberration includes at least one convex lens, which can be a single lens with positive optical power with axial chromatic aberration.

[0027] The pulsed xenon lamp i...

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Abstract

A spectral energy adjustment device, comprising a pulsed xenon lamp arranged on the main optical axis, an optical assembly with axial chromatic aberration, and an adjustment assembly capable of moving along the main optical axis, the adjustment assembly is provided with a light-transmitting hole , and the light-transmitting hole is located on the main optical axis. The beneficial effect of the invention is that the spectral energy distribution characteristics in the continuous spectrum measurement module can be adjusted as required, so that the required spectral bands have higher energy and the signal-to-noise ratio of absorbance measurement can be improved.

Description

technical field [0001] The invention relates to the field of spectral analysis equipment, in particular to a spectral energy adjustment device. Background technique [0002] Ultraviolet-visible continuous absorption spectroscopy is often used in material composition analysis, and is widely used in environmental pollution gas analysis and water quality analysis. Continuous spectral information combined with chemometric methods enables detection of pollutants under complex environmental conditions. There are many ultraviolet-visible continuous spectrum analysis instruments for gas analysis and water quality analysis. The absorption spectrum is obtained, and then the concentration parameters of the measured substance are analyzed. The advantage of the pulsed xenon lamp is that the spectrum can cover the entire ultraviolet-visible-near-infrared spectral range from 200 to 800 nm, the spectrum is continuous, and it works in a pulsed mode, with low power consumption and long life...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/31G01N21/01
CPCG01N21/01G01N21/31
Inventor 王新全武婧梁永
Owner QINGDAO HAINA PHOTOELECTRICAL ENVIRONMENTAL PROTECTION