Water body pollution laser induction fluorescence remote-measuring method

A laser-induced fluorescence and water pollution technology, applied in the direction of fluorescence/phosphorescence, optics, nonlinear optics, etc., can solve problems such as the influence of fluorescence intensity
CN1773257AInactive Publication Date: 2006-05-17ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Publication Date
2006-05-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses a laser induced fluorescence remote measuring method for water body pollution. It is characterized by that the equipment for implementing said method includes the following several components: Nd:YAG laser, receiving telescope, several fibre bundles, optical filters, photoelectric multiplier and gating device, etc. Said invention also provides the concrete connection mode of all the above-mentioned components and the working principle of said remote measuring method.
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Description

technical field

[0001] The invention belongs to the field of laser measurement, in particular to a method for measuring water pollution by ultraviolet laser induced fluorescence. Background technique

[0002] When a substance is irradiated by light, it will emit fluorescence, and different substances have their specific fluorescence spectrum characteristics. Fluorescence spectral features can identify the species and concentration of the excited species. Using this principle, remote sensing of water pollution can be realized.

[0003] The prior art method for measuring water body pollution by ultraviolet laser-induced fluorescence is to use Nd:YAG laser triple frequency 355nm wavelength excitation light with a pulse repetition frequency of 10 Hz. The backscattered fluorescent signal of the water body is received through the Cassegrain telescope, and the transmission and reception adopts a coaxial method. After being coupled into the monochromator through an optical fiber, ...

Claims

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