CN1428604A - Devide for measuring absolute brightness of fluorescent material - Google Patents
Devide for measuring absolute brightness of fluorescent material Download PDFInfo
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- CN1428604A CN1428604A CN 01139182 CN01139182A CN1428604A CN 1428604 A CN1428604 A CN 1428604A CN 01139182 CN01139182 CN 01139182 CN 01139182 A CN01139182 A CN 01139182A CN 1428604 A CN1428604 A CN 1428604A
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- fluorescent material
- excitation
- detector
- brightness
- excitation signal
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The equipment for measuring absolute luminance of fluorescence material includes excitation source, excitation signal sampling device, excitation intensity detector for monitoring excitation signal, fluorescence material sample tray, luminance detector and measuring meter. The excitation signal produced by excitation light source can be injected into excitation signal sampling device, then the incident excitation signal can be divided into two lines, one line is reflected to the excitation intensity detector, the light signal can be converted into electric signal and transferred into measuring meter, and another line is irradiated onto fluorescence material sample tray, the fluorescence sent out by said fluorescence material can be received by luminance detector, after said fluorescence is photoelectrically converted into luminance signal, and said signal can be inputted into measuring meter.
Description
Technical field
The present invention relates to measure the device of fluorescent material luminosity.
Background technology
The luminosity of fluorescent material is one of most important parameter of fluorescent material.Traditional method is often only measured the relative luminosity of fluorescent material.By the luminous intensity signal of photoelectric measurement instrument measurement standard fluorescent material and tested fluorescent material, relatively both reading values obtain relative luminosity.All adopt said method as fluorescent material relative brightness instrument such as YG-II type, PR-300 type, PR-302 types.
The relative luminosity that said method records can only compare the quality of the luminescent properties of two kinds of fluorescent materials, can't really reflect the characteristics of luminescence of making behind the device.For example, for fluorescent materials for lamp, the more important thing is the true luminosity of this fluorescent material under the unit uv irradiance excites.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple in structure, price is low, can monitor the device of fluorescent material absolute brightness in real time.
The device of measurement fluorescent material absolute brightness of the present invention comprises excitaton source, the excitation signal sampler, the excitation intensity detector of monitoring excitation signal, fluorescent material sample pallet, brightness detector and measurement instrument, the excitation signal incident excitation signal sampler that excitation source sends, the excitation signal sampler divides two the tunnel with the excitation signal of incident, the one road reflexes to the excitation intensity detector, convert light signal to electric signal input measurement instrument through the excitation intensity detector, another road shines fluorescent material sample pallet, and the fluorescence that fluorescent material sends is received by brightness detector, and the luminance signal after the brightness detector opto-electronic conversion is input to measurement instrument.
Above-mentioned excitaton source can be uviol lamp, vacuum UV lamp, electron-beam excitation source, excitation of X-rays source or gamma-rays excitaton source.
The excitation signal sampler can be part saturating/catoptron, moving reflector or catoptron with holes.Also can be the throw-over gear of switching fluorescent material sample and excitation intensity detector.
The present invention compared with the prior art, its advantage is: by excitation signal sampler and excitation intensity detector, can monitor the excitation signal or the radiant illumination that incide the fluorescent material specimen surface in real time.Utilize the luminosity detector can measure real light emission luminance value.Thereby can measure the absolute luminosity of the fluorescent material of fluorescent material sample under unit excitation intensity or radiant illumination.This measuring instrument is simple in structure, price is low, easy to use.
Description of drawings
Accompanying drawing is that the present invention constitutes synoptic diagram.
Embodiment
With reference to accompanying drawing, the device of measurement fluorescent material absolute brightness of the present invention comprises excitaton source 1, excitation signal sampler 2, the excitation intensity detector 4 of monitoring excitation signal, fluorescent material sample pallet 3, brightness detector 5 and measurement instrument 6, in the legend, excitaton source 1 adopts the infrabar ultraviolet mercury lamp, 253.7nm ultraviolet ray narrow band pass filter 7 is housed before this lamp, clip all the other spectral lines of infrabar ultraviolet mercury lamp, the excitation signal sampler adopts partly saturating/catoptron, and partly saturating/catoptron can be the plane piezoid, fluoridize magnesium sheet or fluoridize calcium tablet.253.7nm ultraviolet a part of light by part saturating/catoptron 2 reflexes to excitation intensity detector 4, another part transmitted light shines the fluorescent material sample downward vertically.Excitation intensity detector 4 converts light signal to electric signal input measurement instrument 6, show the UV intensity value in instrument 6, the excitation intensity detector can be commercially available, also can be ultraviolet probe, X ray probe or by being coated in quartz glass plate or fluoridizing fluorescent material on the magnesium sheet and silicon photo diode or photomultiplier are formed, fluorescent material can adopt the more stable rare-earth luminescent material of performance.Here, the fluorescent material emitted fluorescence is received by brightness detector 5 in 45 ° of directions of normal, delivers to measurement instrument 6 through the luminance signal after the opto-electronic conversion and shows luminous intensity values.Brightness detector can be commercially available.Usually, in order to improve measuring accuracy, also can form by detector spectral response corrector and photodetector.
During the calibration of instrument UV intensity, can take off the fluorescent material sample, with the 253.7nm radiant illumination value of standard ultraviolet radiation meter measuring samples surface location, the output signal reading value with the excitation intensity detector is adjusted to consistent with above-mentioned radiant illumination value simultaneously.Like this by aforesaid part saturating/excitation intensity that catoptron and excitation intensity detector are formed measures the loop, can monitor the excitation intensity of fluorescent material specimen surface in real time.
Fluorescent material sample pallet 3 can horizontal positioned, also can be no more than 60 ° of angle tilts of horizontal direction and place.
Excitaton source 1 is from the incident of fluorescent material surface normal direction, and brightness detector 5 is from receiving fluorescence with this normal angular direction at 45, perhaps excitaton source from the angular direction at 45 incident of fluorescent material surface normal, brightness detector receives fluorescence from normal direction.
Claims (10)
1, measure the device of fluorescent material absolute brightness, it is characterized in that it comprises excitaton source [1], excitation signal sampler [2], the excitation intensity detector [4] of monitoring excitation signal, fluorescent material sample pallet [3], brightness detector [5] and measurement instrument [6], the excitation signal incident excitation signal sampler [2] that excitation source sends, the excitation signal sampler divides two the tunnel with the excitation signal of incident, the one road reflexes to excitation intensity detector [4], convert light signal to electric signal input measurement instrument [6] through excitation intensity detector [4], another road shines fluorescent material sample pallet [3], the fluorescence that fluorescent material sends is received by brightness detector [5], and the luminance signal after brightness detector [5] opto-electronic conversion is input to measurement instrument [6].
2. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that excitaton source [1] is uviol lamp, vacuum UV lamp, electron-beam excitation source, excitation of X-rays source or gamma-rays excitaton source.
3. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that excitation signal sampler [2] be part saturating/catoptron, moving reflector or catoptron with holes.
4. by the device of the described measurement fluorescent material of claim 3 absolute brightness, it is characterized in that said part saturating/catoptron is the plane piezoid, fluoridizes magnesium sheet or fluoridize calcium tablet.
5. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that between excitaton source [1] and excitation signal sampler [2], being provided with optical filter.
6. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that excitation intensity detector [4] is by being coated in quartz glass plate or fluoridizing fluorescent material on the magnesium sheet and silicon photo diode or photomultiplier are formed.
7. by the device of the described measurement fluorescent material of claim 6 absolute brightness, it is characterized in that said fluorescent material is a rare-earth luminescent material.
8. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that brightness detector [5] is made up of detector spectral response corrector and photodetector.
9. by the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that fluorescent material sample pallet [3] horizontal positioned, or be no more than 60 ° of angle tilts placements of horizontal direction.
10. press the device of the described measurement fluorescent material of claim 1 absolute brightness, it is characterized in that excitaton source [1] is from the incident of fluorescent material surface normal direction, brightness detector [5] is from receiving fluorescence with this normal angular direction at 45, perhaps excitaton source from the angular direction at 45 incident of fluorescent material surface normal, brightness detector receives fluorescence from normal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139182 CN1196926C (en) | 2001-12-22 | 2001-12-22 | Devide for measuring absolute brightness of fluorescent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139182 CN1196926C (en) | 2001-12-22 | 2001-12-22 | Devide for measuring absolute brightness of fluorescent material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1428604A true CN1428604A (en) | 2003-07-09 |
| CN1196926C CN1196926C (en) | 2005-04-13 |
Family
ID=4675107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01139182 Expired - Fee Related CN1196926C (en) | 2001-12-22 | 2001-12-22 | Devide for measuring absolute brightness of fluorescent material |
Country Status (1)
| Country | Link |
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| CN (1) | CN1196926C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436299A (en) * | 2017-07-25 | 2017-12-05 | 苏州德锐特成像技术有限公司 | A kind of bioluminescence imaging brightness automatically analyzes the method and apparatus of regulation |
| CN109310792A (en) * | 2016-06-09 | 2019-02-05 | 弗劳恩霍夫应用研究促进协会 | For impacting the method for liquid using electronics is accelerated |
-
2001
- 2001-12-22 CN CN 01139182 patent/CN1196926C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310792A (en) * | 2016-06-09 | 2019-02-05 | 弗劳恩霍夫应用研究促进协会 | For impacting the method for liquid using electronics is accelerated |
| US10980903B2 (en) | 2016-06-09 | 2021-04-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for irradiating a liquid with accelerated electrons |
| CN107436299A (en) * | 2017-07-25 | 2017-12-05 | 苏州德锐特成像技术有限公司 | A kind of bioluminescence imaging brightness automatically analyzes the method and apparatus of regulation |
| CN107436299B (en) * | 2017-07-25 | 2020-11-27 | 苏州德锐特成像技术有限公司 | Method and device for automatically analyzing and adjusting brightness of biological fluorescence imaging |
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| Publication number | Publication date |
|---|---|
| CN1196926C (en) | 2005-04-13 |
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Granted publication date: 20050413 Termination date: 20101222 |