CN108120503A - A kind of spectral line lamp of spectrometer wavelength calibration - Google Patents
A kind of spectral line lamp of spectrometer wavelength calibration Download PDFInfo
- Publication number
- CN108120503A CN108120503A CN201711250014.9A CN201711250014A CN108120503A CN 108120503 A CN108120503 A CN 108120503A CN 201711250014 A CN201711250014 A CN 201711250014A CN 108120503 A CN108120503 A CN 108120503A
- Authority
- CN
- China
- Prior art keywords
- spectral line
- mercury
- neon
- electrodes
- line lamp
- 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.)
- Pending
Links
- 230000003595 spectral effect Effects 0.000 title claims abstract description 46
- ZQBKQZMRKNZHLL-UHFFFAOYSA-N mercury neon Chemical compound [Ne].[Hg] ZQBKQZMRKNZHLL-UHFFFAOYSA-N 0.000 claims abstract description 23
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 16
- 229910052753 mercury Inorganic materials 0.000 claims description 16
- 229910052754 neon Inorganic materials 0.000 claims description 14
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical group [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
Abstract
The present invention provides a kind of spectral line lamp of spectrometer wavelength calibration, including:Lamp housing and two electrodes are filled with mercury neon mixed gas in the lamp housing.The spectral line lamp of spectrometer wavelength calibration provided by the invention, by being filled with mercury neon mixed gas in lamp housing, after ac high-voltage pulse is applied to spectral line lamp, a variety of line spectrums can be generated in 250nm 2500nm wavelength bands, the spectral line modulated structure is simple, has a wide range of application, highly practical.
Description
Technical field
The present invention relates to field of optical device technology more particularly to a kind of spectral line lamps of spectrometer wavelength calibration.
Background technology
Spectrometer is the core devices in spectral measurement, in order to obtain accurate measurement result, and spectrometer is before the use
Must carry out stringent calibration to optical wavelength, the wavelength calibrations of all kinds of spectrometers of the prior art be mostly using spectral line lamp into
Row is as light source.
In the prior art, the line spectrum generally sent using low pressure mercury lamp or hollow cathode lamp is as natural reference wavelength
Carry out the wavelength of calibration spectrum instrument.Although low pressure mercury lamp is widely used, have problems in that, standard wave length's spectral line is mainly concentrated
In ultra-violet (UV) band, the 250nm-2500nm wavelength bands measured in spectrometer needs, only few several spectral lines can not
Meets the needs of calibration.The shortcomings that hollow cathode lamp, is that a kind of characteristic emission spectral line of hollow cathode lamp is few, can not cover
The wavelength band of 250nm-2500nm, to cover the wavelength band of 250nm-2500nm, it is necessary to tens of kinds of different hollow the moon
Pole lamp is combined, and causes light path complicated, it is difficult to practical.
The content of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of spectral line lamps of spectrometer wavelength calibration, solve spectral line of the prior art
The technical issues of spectral line that lamp generates is few, complicated, poor practicability.
(2) technical solution
In order to solve the above-mentioned technical problem, on the one hand, the present invention provides a kind of spectral line lamp of spectrometer wavelength calibration, bag
It includes:Lamp housing and two electrodes are filled with mercury neon mixed gas in the lamp housing.
Further, the number ratio of mercury atom and neon atom is P in the mercury neon mixed gas, wherein, 1/5≤P≤
1。
Further, the number ratio P of mercury atom and neon atom is equal to 0.5 in the mercury neon mixed gas.
Further, the pressure of the mercury neon mixed gas is no more than 5 kPas.
Further, described two electrodes are separately mounted to the both ends of the lamp housing.
Further, high pressure generator is connected on described two electrodes, the high pressure generator, which generates, is more than 1400 volts
Ac high-voltage pulse.
Further, described two electrodes are made of inert metal material.
Further, described two electrodes are platinum electrode.
Further, described two electrodes are nickel electrode.
Further, the lamp housing is made of quartz material of the purity more than or equal to 99%.
(3) advantageous effect
The spectral line lamp of spectrometer wavelength calibration provided by the invention, by being filled with mercury neon mixed gas in lamp housing,
After applying ac high-voltage pulse to spectral line lamp, a variety of line spectrums can be generated in 250nm-2500nm wavelength bands, the spectral line lamp
It is simple in structure, have a wide range of application, it is highly practical.
Description of the drawings
Fig. 1 is the structure diagram of the spectral line lamp of the spectrometer wavelength calibration according to the embodiment of the present invention.
Specific embodiment
In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment
It is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work belong to the scope of protection of the invention.
Embodiment 1:
Fig. 1 is the structure diagram of the spectral line lamp of the spectrometer wavelength calibration according to the embodiment of the present invention, such as Fig. 1 institutes
To show, the embodiment of the present invention provides a kind of spectral line lamp of spectrometer wavelength calibration, including:Lamp housing 1 and two electrodes 2, the lamp
Mercury neon mixed gas is filled in shell.
Further, the number ratio of mercury atom and neon atom is P in the mercury neon mixed gas, wherein, 1/5≤P≤
1。
Further, the number ratio P of mercury atom and neon atom is equal to 0.5 in the mercury neon mixed gas.
Further, the pressure of the mercury neon mixed gas is no more than 5 kPas.
Further, described two electrodes are separately mounted to the both ends of the lamp housing.
Further, high pressure generator is connected on described two electrodes, the high pressure generator, which generates, is more than 1400 volts
Ac high-voltage pulse.
Further, described two electrodes are made of inert metal material.
Further, described two electrodes are platinum electrode.
Further, described two electrodes are nickel electrode.
Further, the lamp housing is made of quartz material of the purity more than or equal to 99%.
Specifically, using high purity quartz as spectral line lamp lamp housing, in hollow lamp housing in be filled with a certain proportion of low-pressure mercury vapour
It is after two electrodes are installed at closed lamp housing both ends, lamp housing is closed after neon, prevent low-pressure mercury neon from leaking.
Then, two electrodes are wired on high pressure generator 3, high pressure generator 3 generates the exchange of 1400V
High-voltage pulse, for so that mercury neon generates current discharge in quartz envelope.Mercury vapour generates the startup voltage of glow discharge about
1200V, the startup voltage about 100V of the glow discharge of neon.When startup voltage reaches more than 1400V, it is ensured that two kinds of gas
Body can realize electric discharge, so as to send the spectral line of emission of different wave length.
In the embodiment of the present invention, the lamp housing is made of quartz material of the purity more than or equal to 99%, theoretically, quartz lamp
The purity of shell is the higher the better, will have absorption to the spectral line of ultra-violet (UV) band compared with the impurity in the quartz envelope of low-purity, influences to compose
The spectral line quantity of line lamp transmitting.
In the embodiment of the present invention, the number ratio of mercury atom and neon atom is P in the mercury neon mixed gas, wherein, 1/5
≤P≤1.That is, the mercury neon mixed gas of different proportion can generate the spectral line of a variety of different wave lengths, still, be surveyed by testing
, when the number ratio of mercury atom and neon atom is P in mercury neon mixed gas, wherein, during 1/5≤P≤1, it can obtain a variety of
The higher spectral line of the intensity of different wave length.As a kind of preferred ratio, of mercury atom and neon atom in mercury neon mixed gas
Number ratio can obtain the intensity highest spectral line of a variety of different wave lengths when being 1/2.
In the embodiment of the present invention, in order to meet the sharp keen degree of spectral line, avoided as far as possible because pulse exhibition caused by pressure
The air pressure of the mixed gas of width, mercury vapour and neon is no more than 5kPa.
In the embodiment of the present invention, in order to improve the durability of spectral line lamp, two electrodes are made of inert metal material.Make
For a kind of preferred mode, two electrodes are platinum electrode.As another preferred embodiment, two electrodes can also be nickel electricity
Pole.
The effect of the spectral line lamp in the embodiment of the present invention is described in detail with specific experimental data below:
In this experiment, the purity of quartz envelope is 99%, and electrode uses platinum electrode, and high pressure generator generates 8000V's
Ac high-voltage pulse, the number ratio of mercury atom and neon atom is 1/2 in mercury neon mixed gas, the gaseous mixture of mercury vapour and neon
The air pressure of body is 5kPa.By experiment, wavelength has been obtained as 253.652nm, 284.768nm, 365.015nm, 398.393nm,
404.656nm, 435.833nm, 546.074nm, 1013.976nm, 540.056nm, 585.249nm, 640.225nm,
692.947nm, 702.405nm, 703.241nm, 717.394nm, 724.517nm, 748.887nm, 753.577nm,
813.641nm, 830.033nm, 837.761nm, 841.843nm, 849.536nm, 859.126nm, 863.465nm,
865.438nm, 878.062nm, 878.375nm, 885.387nm, 928.756nm, 966.542nm, 1114.302nm,
1117.752nm, 1139.043nm, 1152.275nm, 1152.502nm, 1176.679nm, 1206.633nm, 2363.648nm
The spectral line higher etc. nearly 50 intensity, and compare and be evenly distributed in the wavelength band of 250nm-2500nm.
The spectral line lamp of spectrometer wavelength calibration provided by the invention, by being filled with mercury neon mixed gas in lamp housing,
After applying ac high-voltage pulse to spectral line lamp, a variety of line spectrums can be generated in 250nm-2500nm wavelength bands, the spectral line lamp
It is simple in structure, have a wide range of application, it is highly practical.
Claims (10)
1. a kind of spectral line lamp of spectrometer wavelength calibration, which is characterized in that including:Lamp housing and two electrodes, in the lamp housing
Filled with mercury neon mixed gas.
2. spectral line lamp according to claim 1, which is characterized in that mercury atom and neon atom in the mercury neon mixed gas
Number ratio is P, wherein, 1/5≤P≤1.
3. spectral line lamp according to claim 1, which is characterized in that mercury atom and neon atom in the mercury neon mixed gas
Number ratio P is equal to 0.5.
4. spectral line lamp according to claim 1, which is characterized in that the pressure of the mercury neon mixed gas is no more than 5 kPas.
5. spectral line lamp according to claim 1, which is characterized in that described two electrodes are separately mounted to the two of the lamp housing
End.
6. spectral line lamp according to claim 1, which is characterized in that high pressure generator, institute are connected on described two electrodes
State ac high-voltage pulse of the high pressure generator generation more than 1400 volts.
7. spectral line lamp according to claim 1, which is characterized in that described two electrodes are made of inert metal material.
8. spectral line lamp according to claim 1, which is characterized in that described two electrodes are platinum electrode.
9. spectral line lamp according to claim 1, which is characterized in that described two electrodes are nickel electrode.
10. according to claim 1-9 any one of them spectral line lamps, which is characterized in that the lamp housing is more than or equal to by purity
99% quartz material is made.
Priority Applications (1)
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CN201711250014.9A CN108120503A (en) | 2017-12-01 | 2017-12-01 | A kind of spectral line lamp of spectrometer wavelength calibration |
Applications Claiming Priority (1)
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CN201711250014.9A CN108120503A (en) | 2017-12-01 | 2017-12-01 | A kind of spectral line lamp of spectrometer wavelength calibration |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2063631U (en) * | 1990-01-03 | 1990-10-10 | 北京有色金属研究总院 | Hollow cathode lamp for visible ultraviolet molecular absorption spectrum |
CN1288586A (en) * | 1998-09-16 | 2001-03-21 | 皇家菲利浦电子有限公司 | Method of adjusting the light spectrun of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp |
US20050253114A1 (en) * | 2004-05-14 | 2005-11-17 | General Electric Company | Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same |
CN1870359A (en) * | 2006-04-12 | 2006-11-29 | 中国科学院上海光学精密机械研究所 | Laser pulse stretching and compression device |
CN101308759A (en) * | 2007-05-16 | 2008-11-19 | 台达电子工业股份有限公司 | Cold cathode fluorescent lamp and cold cathode fluorescent lamp module |
CN108093546A (en) * | 2016-11-23 | 2018-05-29 | 欧司朗有限公司 | For running the method for ballast, ballast and lighting device |
-
2017
- 2017-12-01 CN CN201711250014.9A patent/CN108120503A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2063631U (en) * | 1990-01-03 | 1990-10-10 | 北京有色金属研究总院 | Hollow cathode lamp for visible ultraviolet molecular absorption spectrum |
CN1288586A (en) * | 1998-09-16 | 2001-03-21 | 皇家菲利浦电子有限公司 | Method of adjusting the light spectrun of a gas discharge lamp, gas discharge lamp, and luminaire for said lamp |
US20050253114A1 (en) * | 2004-05-14 | 2005-11-17 | General Electric Company | Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same |
CN1870359A (en) * | 2006-04-12 | 2006-11-29 | 中国科学院上海光学精密机械研究所 | Laser pulse stretching and compression device |
CN101308759A (en) * | 2007-05-16 | 2008-11-19 | 台达电子工业股份有限公司 | Cold cathode fluorescent lamp and cold cathode fluorescent lamp module |
CN108093546A (en) * | 2016-11-23 | 2018-05-29 | 欧司朗有限公司 | For running the method for ballast, ballast and lighting device |
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Application publication date: 20180605 |