CN205317672U - A optical system for atomic fluorescence spectrometer - Google Patents
A optical system for atomic fluorescence spectrometer Download PDFInfo
- Publication number
- CN205317672U CN205317672U CN201620070373.0U CN201620070373U CN205317672U CN 205317672 U CN205317672 U CN 205317672U CN 201620070373 U CN201620070373 U CN 201620070373U CN 205317672 U CN205317672 U CN 205317672U
- Authority
- CN
- China
- Prior art keywords
- excitation source
- atomizer
- optical system
- detector
- condenser lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses an optical system for atomic fluorescence spectrometer, including atomizer, the detector, two at least focusing lens and at least one excitation light source, atomizer sets up with the horizontal plane is perpendicular, at least one excitation light source arranges around atomizer, excitation light source's light -emitting side is equipped with at least one focusing lens, the income light side of detector is equipped with at least one focusing lens, the light that excitation light source sent assembles the top at atomizer through at least one focusing lens of excitation light source's light -emitting side, the fluorescence that is gone out by provocative atomic radiation gets into the detector after at least one focusing lens focus of the income light side of detector, wherein excitation light source and horizontal plane formation contained angle, the region that arouses that makes the exciting light form on atomizer is oval. This an optical system for atomic fluorescence spectrometer has improved the instrument under the same condition of focusing lens focus sensitivity.
Description
Technical field
This utility model relates to atomic fluorescence spectrometer technical field, particularly relates to a kind of optical system for atomic fluorescence spectrometer.
Background technology
Atomic fluorescence spectrometry is spectral analysis technique middle 1960s proposing and growing up, it is that a kind of excitation source irradiates the free atom steam containing element to be measured, element to be measured is made to be transitted to excited state by ground state atom, when returning to ground state from excited state, launch characteristic spectrum, carry out the method for analyzing very small amount of element of quantitative analysis by detecting the emissive porwer of characteristic spectral line.
The development of the atomic fluorescence of China starts from eighties of last century the mid-1970s, and it occurs and atomic fluorescence coupling based on hydride. Start so far from the mid-80, business-like hydride generation-atomic fluorescence of zero dispersion spectrogrph obtains and develops rapidly, now become and assay laboratory of China has analyzed one of maximally efficient conventional analytical technology of inorganic elements, suitable in the trace detection of the elements such as As, Sb, Bi, Hg, Se, Te, Ge, Sn, Pb, Zn, Cd, the various fields such as geology, metallurgy, environmental protection, agricultural, food, material science it are widely used in.
The optical system of existing atomic fluorescence spectrometer all adopts the pattern of " the corresponding detector of multiple light sources ", namely detects the atomic fluorescence of multiple light source activation with a solar blind photomultiplier simultaneously, forms " multiple tracks is with surveying ". At present, existing single track, two pass, the same atomic fluorescence spectrometer surveyed in three Dao He tetra-roads on market. Wherein, each light source levels is placed, and distribution at a right angle with atomizer, and the excitation area that its exciting light is formed on atomizer is substantially circular (as illustrated in fig. 1 and 2).
Utility model content
The purpose of this utility model is to provide a kind of optical system for atomic fluorescence spectrometer.
Optical system for atomic fluorescence spectrometer provided by the utility model, including atomizer, detector, at least two condenser lens and at least one excitation source, described atomizer is arranged with horizontal plane, at least one excitation source described is arranged in around described atomizer, the light emission side of described excitation source is provided with at least one condenser lens, the incident side of described detector is provided with at least one condenser lens, the light that described excitation source sends converges in the top of described atomizer through at least one condenser lens of the light emission side of described excitation source, the fluorescence that the atomic radiation being excited goes out enters described detector after at least one condenser lens of the incident side of described detector focuses on, wherein, described excitation source forms angle with described horizontal plane, making the excitation area that exciting light is formed on described atomizer is ellipse.
Wherein, the angle of described angle is between 5-85 °.
Wherein, the quantity of described excitation source is between 1-8.
Wherein, when there is excitation source described at least two, the light that excitation source described at least two sends converges on the same point of top of described atomizer through at least one condenser lens of the light emission side of described excitation source. Or, when there is excitation source described at least two, the light that excitation source described at least two sends converges in the central point by described atomizer through at least one condenser lens of the light emission side of described excitation source and is perpendicular on the straight line of described horizontal plane.
Optical system for atomic fluorescence spectrometer of the present utility model compared with prior art has the advantage that when condenser lens focal length is identical, namely when not changing excitation light intensity, expand exciting light excitation area on atomizer, thus improve atomic fluorescence intensity, improve the sensitivity of instrument, reduce its detection limit, improve the performance indications of atomic fluorescence spectrometer.
Accompanying drawing explanation
Fig. 1 is the excitation source schematic diagram with the position relationship of atomizer of existing atomic fluorescence spectrometer;
Fig. 2 is the excitation area that the exciting light of existing atomic fluorescence spectrometer is formed on atomizer;
Fig. 3 is the schematic top plan view of the optical system structure of the atomic fluorescence spectrometer of a detailed description of the invention of the present utility model;
Fig. 4 is the excitation source schematic diagram with the position relationship of atomizer of the optical system of the atomic fluorescence spectrometer of a detailed description of the invention of the present utility model.
Fig. 5 is the excitation area that the exciting light of the optical system of the atomic fluorescence spectrometer of a detailed description of the invention of the present utility model is formed on atomizer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The optical system of the atomic fluorescence spectrometer of a detailed description of the invention of the present utility model is as shown in Figure 3, including atomizer 4, detector 6, at least two condenser lens 2 and at least one excitation source 1, atomizer 4 is arranged with horizontal plane, at least one excitation source 1 is arranged in around atomizer 4, the light emission side of excitation source 1 is provided with at least one condenser lens 2, the incident side of detector 6 is provided with at least one condenser lens, the light that excitation source 1 sends forms exciting light 3 after at least one condenser lens 2 of the light emission side of excitation source, exciting light 3 converges in the top of atomizer 4, at least one condenser lens 2 of the incident side of the fluorescence 5 that the atomic radiation being excited goes out device 6 after testing enters detector 6 after focusing on. atomic fluorescence spectrometer of the present utility model adopts on-dispersive formula optical system, adopts high performance hollow cathode lamp as excitation source 1. exciting light 3 converges at the top of atomizer 4, the atom being excited can give off fluorescence 5 with atomizer 4 for the center of circle to surrounding, fluorescence 5 line focus lens 2 enter detector 6 after focusing on and carry out photoelectric conversion, can be analyzed after signals collecting and data process. wherein, excitation source 1 forms angle with horizontal plane so that the excitation area 7 that exciting light 3 is formed on atomizer 4 is oval, as shown in Figures 4 and 5. comparing the optical system of existing atomic fluorescence spectrometer, exciting light 3 forms the excitation area 7 of ellipse on atomizer 4, and its area is bigger, and the free atom excited is more, and the intensity of atomic fluorescence is also higher, and therefore detection signal is also higher. wherein, the angle of angle can meet between 5-85 ° exciting light 3 formed on atomizer 4 ellipse excitation area 7.
The optical system of atomic fluorescence spectrometer of the present utility model is configurable to single track, two pass or multiple tracks. The quantity of excitation source 1 can between 1-8. Fig. 3 show two pass. When there is at least two excitation source 1, the difference according to excitation source 1, the light that at least two excitation source 1 sends converges on the same point of top of atomizer 4 through at least one condenser lens 2 of the light emission side of excitation source 1. Or, when there is at least two excitation source 1, the light that at least two excitation source 1 sends converges in the central point by atomizer 4 through at least one condenser lens 2 of the light emission side of excitation source 1 and is perpendicular on the same straight line of horizontal plane.
Above embodiments is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this this utility model; various deformation that the technical solution of the utility model is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that these claims of the present utility model are determined.
Claims (5)
1. the optical system for atomic fluorescence spectrometer, described optical system includes atomizer (4), detector (6), at least two condenser lens (2) and at least one excitation source (1), described atomizer (4) is arranged with horizontal plane, described at least one excitation source (1) is arranged in described atomizer (4) around, the light emission side of described excitation source (1) is provided with at least one condenser lens (2), the incident side of described detector (6) is provided with at least one condenser lens (2), the light that described excitation source (1) sends converges in the top of described atomizer (4) through at least one condenser lens (2) of the light emission side of described excitation source (1), the fluorescence (5) that the atomic radiation being excited goes out enters described detector (6) after at least one condenser lens (2) of the incident side of described detector (6) focuses on, it is characterized in that, described excitation source (1) forms angle with described horizontal plane, making exciting light is ellipse in the upper excitation area (7) formed of described atomizer (4).
2. optical system according to claim 1, it is characterised in that the angle of described angle is between 5-85 °.
3. optical system according to claim 1, it is characterised in that the quantity of described excitation source (1) is between 1-8.
4. optical system according to claim 1, it is characterized in that, when there is excitation source described at least two (1), the light that excitation source described at least two (1) sends converges on the same point of top of described atomizer (4) through at least one condenser lens (2) of the light emission side of described excitation source (1).
5. optical system according to claim 1, it is characterized in that, when there is excitation source described at least two (1), the light that excitation source described at least two (1) sends converges in the central point by described atomizer (4) through at least one condenser lens (2) of the light emission side of described excitation source (1) and is perpendicular on the straight line of described horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070373.0U CN205317672U (en) | 2016-01-25 | 2016-01-25 | A optical system for atomic fluorescence spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620070373.0U CN205317672U (en) | 2016-01-25 | 2016-01-25 | A optical system for atomic fluorescence spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205317672U true CN205317672U (en) | 2016-06-15 |
Family
ID=56205644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620070373.0U Active CN205317672U (en) | 2016-01-25 | 2016-01-25 | A optical system for atomic fluorescence spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205317672U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884372A (en) * | 2017-09-30 | 2018-04-06 | 维科托（北京）科技有限公司 | For the incidence system of atomic fluorescence detection device and the mounting bracket of excitation source |
| CN108107032A (en) * | 2018-01-29 | 2018-06-01 | 北京博晖创新光电技术股份有限公司 | A kind of Atomic Fluorescence Spectrometer |
| CN109596579A (en) * | 2017-09-30 | 2019-04-09 | 维科托（北京）科技有限公司 | For the incidence system of atomic fluorescence detection device and the mounting bracket of excitation light source |
-
2016
- 2016-01-25 CN CN201620070373.0U patent/CN205317672U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884372A (en) * | 2017-09-30 | 2018-04-06 | 维科托（北京）科技有限公司 | For the incidence system of atomic fluorescence detection device and the mounting bracket of excitation source |
| CN109596579A (en) * | 2017-09-30 | 2019-04-09 | 维科托（北京）科技有限公司 | For the incidence system of atomic fluorescence detection device and the mounting bracket of excitation light source |
| CN108107032A (en) * | 2018-01-29 | 2018-06-01 | 北京博晖创新光电技术股份有限公司 | A kind of Atomic Fluorescence Spectrometer |
| CN108107032B (en) * | 2018-01-29 | 2024-03-15 | 北京博晖创新光电技术股份有限公司 | Atomic fluorescence spectrometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103529006B (en) | A kind of Portable fluorescence based on micro-fluidic chip detection device | |
| CN107255710B (en) | Multichannel micro-fluidic fluorescence detection device and method | |
| Lapp et al. | A new luminescence detection and stimulation head for the Risø TL/OSL reader | |
| CN104849444B (en) | Fluorescence and block the cell counter and method simultaneously measured | |
| CN205317672U (en) | A optical system for atomic fluorescence spectrometer | |
| CN100526883C (en) | Reflection photometer of gold-labeled immunity test paper strip | |
| CN202351177U (en) | Aflatoxin detector based on ultraviolet LED light source | |
| CN104321421B (en) | Cytoactive detection device and cell activation assay method | |
| CN103674855B (en) | Optical path system used for monitoring crop growth information | |
| EP3230716B1 (en) | Self-triggered flow cytometer | |
| CN105806816A (en) | Detecting device and method for multichannel up-conversion luminescence | |
| CN102798621A (en) | Multi-piece reflection type ultraviolet induced biological fluorescence detection system | |
| CN106053404A (en) | A portable multi-waveband fluorescence detection trace compound analyzer | |
| CN206557053U (en) | A kind of oil quality detection means | |
| CN203606290U (en) | Raman system | |
| CN104280327B (en) | A kind of streaming phosphor collection optical system | |
| CN201522431U (en) | Rock debris substance image analyzer | |
| CN202794037U (en) | Device for deducting light source fluctuation of atomic fluorescence photometer | |
| CN106092967A (en) | The detection method of a kind of bio-molecular interaction and device | |
| US9709769B2 (en) | Methods for optically aligning light collection components and optically aligned light collection systems thereof | |
| CN204128960U (en) | A kind of drinks quality sense organ classification quick analytic instrument | |
| CN2938080Y (en) | Reflection photometer of gold-labeled immunity test paper strip | |
| CN102176074A (en) | Sunshine duration measuring method and sunshine duration measuring device | |
| Natunen et al. | Monitoring cell‐specific neutral lipid accumulation in Phaeodactylum tricornutum (Bacillariophyceae) with Nile Red staining–a new method for Flow CAM | |
| US20170234797A1 (en) | Method and apparatus for measuring inelastic scattering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |