CN106647224A - Electrodeless mercury lamp - Google Patents
Electrodeless mercury lamp Download PDFInfo
- Publication number
- CN106647224A CN106647224A CN201611151152.7A CN201611151152A CN106647224A CN 106647224 A CN106647224 A CN 106647224A CN 201611151152 A CN201611151152 A CN 201611151152A CN 106647224 A CN106647224 A CN 106647224A
- Authority
- CN
- China
- Prior art keywords
- mercury
- light
- cold end
- mercury lamp
- illuminating part
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/14—Apparatus for producing preselected time intervals for use as timing standards using atomic clocks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
- H01S1/02—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range solid
Abstract
The invention discloses an electrodeless mercury lamp which comprises a lens set, a mercury bulb, an excitation source and a temperature control device. The mercury bulb comprises a light-emitting part and a cold end part communicated with the light-emitting part, the light-emitting part is cylindrical, the cold end part is cylindrical or in a cuboid shape, and the diameter of the connecting portion of the light-emitting part and the cold end part is smaller than that of the light-emitting part. The mercury bulb is filled with pure mercury or isotope Hg2O2. A double-bulb structure is adopted for the mercury bulb, bulb bodies for emitting light and storing mercury are subjected to function separation, meanwhile, the light-emitting part and the cold end part are communicated through the small-diameter connecting portion, the light-emitting part is coupled with an external coil to emit light, and the cold end part stores mercury and is connected with the temperature control device. By means of the structure, liquid-state mercury cannot flow in into the light-emitting part easily, and the phenomenon that mercury permeates into bulb walls of the light-emitting part to be nebulized due to loss is weakened. In addition, common cold ends are mostly thin and short, the cold end part and the light-emitting part are almost identical in size, the contact area of the cold end and the temperature control device is large, and heat radiation temperature control is easy.
Description
Technical field
The present invention relates to Non-polarized lamp field.More particularly, to a kind of electrodeless mercury lamp.
Background technology
To meet the active demand of satellite navigation, space exploration and Code in Hazardous Special Locations time-frequency application, to time precision, stability
Higher and higher requirement is proposed, atomic clock has high accuracy, high stable using atomic spectral line jump frequency as time standard
The features such as spending is widely used in Field of Time and Frequency.Traditional atomic clock has hydrogen clock and a rubidium clock, however hydrogen clock volume is big and index is high, rubidium
Clock volume Small Indicators are less than hydrogen clock, and based on the microwave clock of mercury ion the high accuracy of hydrogen clock can be reached, high reliability and volume with
Rubidium clock is similar, has significant advantage in following time-frequency application.
Using electrodeless mercury lamp as pump light source, radiation 194nm spectral lines are excited mercury ion microwave clock199Hg+Transition, substitutes
Bulky, complicated deep ultraviolet laser system so that mercury ion microwave clock volume is greatly reduced.Due to no electricity in Non-polarized lamp
Pole, breaches traditional luminescence mechanism, and with many advantages, including specular removal, long-life, light decay is little, power factor is high etc..
Traditional Non-polarized lamp is mostly used for illumination based on transition spectral line 253.7nm, and volume is larger, such as QL Non-polarized lamps
Two kinds of cell-shell a diameter of 100mm and 85mm, using built-in iron core coupling electrodeless lamp, the electrodeless mercury lamp of Osral is annular, directly
Footpath is 230mm, excites Non-polarized lamp to light using the coupling of external coil, and minority radiates 185nm spectral lines as ultraviolet disinfecting, its
Volume is also more huge.Electrodeless mercury lamp using mercury ion transition spectral line 194.2nm is commercially still blank, and above-mentioned city
The larger requirement high far from project small volume, index is met of mercury lamp volume on field.Mostly using solid in conventional electroless mercury lamp
Mercury amalgam, the radiation spectral line containing other impurities is more miscellaneous, to radiate the spoke of the electrodeless mercury lamp mercury ion based on the transition spectral line of mercury atom
Penetrate that spectral line is weaker, can not meet the radiation 194nm mercury lamp demands in mercury ion microwave frequency marking.
Foreign countries hold in close confidence to the electrodeless mercury lamp technology used in mercury ion microwave frequency marking, therefore develop radiation 194nm's
Mercury lamp is one of the key technology that must break through.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of small size, radiates the electrodeless mercury lamp of 194nm spectral lines, and this is electrodeless
Mercury lamp illumination effect is good, and Spectral Purity is high, can be particularly well-suited to mercury ion microwave by the luminous focal position of lens group control
Frequency marking, as pumping source forcing operation material transition.
To solve above-mentioned technical problem, the present invention adopts following technical proposals：
A kind of electrodeless mercury lamp includes：Lens group, mercury bubble, driving source and attemperating unit, the mercury bubble includes what is be interconnected
Illuminating part and cold end, illuminating part is cylinder, and cold end is the junction of cylinder or cuboid, illuminating part and cold end
Diameter less than illuminating part diameter, filled with pure mercury or isotope Hg in mercury bubble202；
The driving source encourages box including encouraging box and coil and being socketed in the polytetrafluoroethylene sleeve of the illuminating part
It is made up of metal, inside is provided with bikini oscillating circuit, the coil is wrapped in the illuminating part outside of mercury bubble, and one end passes through electric capacity
It is connected with the bikini oscillating circuit, the other end enters excitation box inner ground；
The attemperating unit includes being socketed in the metal sleeve of cold end, separates polytetrafluoroethylene sleeve and metal sleeve
The heat insulated supporter opened and the heat conduction support for connecting metal sleeve and electrodeless mercury lamp shell；
The lens group is included for the light that luminous end surface sends to be focused on the condenser lens on operation material and right
The optical filter that the light that luminous end surface sends is filtered, the condenser lens be arranged on can before and after adjusting position slide rail
On.
Preferably, the condenser lens is ultraviolet vitreous silica, and the transmitance at spectral line 194nm is more than 90%.
Preferably, the centre wavelength of the filter plate is 190nm, and with a width of 10nm, the transmitance of wavelength 194nm light is
More than 80%.
Preferably, the number of turns that the coil is wrapped in illuminating part is 3～8 circles.
Preferably, it is further provided with indium metal between the cold end and metal sleeve.
Preferably, pure mercury or isotope Hg202It is filled in the cold end.
Preferably, a diameter of 5～15mm of the illuminating part, length is 15～50mm.
Preferably, the power output of the bikini oscillating circuit be 30～100W, frequency be 100～500MHz.
Preferably, the excitation box adopts aluminium shell.
Preferably, the scope that the condenser lens is moved forward and backward is 10～30mm.
Beneficial effects of the present invention are as follows：
The mercury bubble of the present invention is separated foam function that is luminous and storing mercury using double bubble structures, while illuminating part and cold end
Connected by the connecting portion of minor diameter between portion, wherein illuminating part couples external coil and lights, cold end storage mercury simultaneously connects control
Warm device, said structure makes the mercury of liquid be difficult to flow into illuminating part, and the steep that wall loss for reducing mercury infiltration illuminating part nebulizes
Phenomenon generation.Additionally, common cold end mostly is, and slender type is extremely short and small, the cold end of the present invention is several with the size of illuminating part
It is identical, it is big with the contact area of attemperating unit, it is easy to radiating control temperature.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates the structural representation of the present invention.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below institute is concrete
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in figure 1, a kind of electrodeless mercury lamp includes lens group, mercury bubble, driving source and attemperating unit, mercury bubble includes being circle
The illuminating part 10 and cold end 11 of post shapes, illuminating part 10 and cold end 11 are connected by thin bore connecting portion 12, and mercury bubble is adopted
Ultraviolet vitreous silica is made, and the transmitance of spectral line 194nm light is more than 90%, and a diameter of 5～15mm of illuminating part 10, length are 15
～50mm.Cold end 11 is used to store liquid mercury, and because the diameter of thin bore connecting portion 12 is much smaller than the diameter of illuminating part 10, liquid mercury is not
Easily flow into illuminating part 10, reduce the impact of the light to sending.The pure mercury of filling or isotope Hg in mercury bubble202, instead of tradition
Amalgam in electrodeless mercury lamp, it is to avoid because of the broadening and the movement that cause spectral line containing other impurity in amalgam.Cold end 11 can be adopted
With with the identical of illuminating part 10 cylinder or cuboid, the size of cold end 11 is close with the size dimension of illuminating part 10, easily
In radiating control temperature.The mercury bubble of the present invention can efficiently separate luminous component and storage mercury part, to cold using double bubble structures
End 11 carries out temperature control, reduces the loss of mercury, reduces transmission of the mercury to light.
Driving source includes excitation box 20 made of aluminum, coil 21 and polytetrafluoroethylene sleeve 22, is provided with excitation box 20
Bikini oscillating circuit, is made up of, power output 30W-100W, frequency high-frequency triode, inductance, resistance and electric capacity etc.
100MHz-500MHz.Excitation box 20 can prevent the interference of external electromagnetic radiation using aluminium shell.Coil 21 is wrapped in illuminating part
On 10 outer wall, winding 3～8 is enclosed, and one end of coil 21 is connected by electric capacity 23 with bikini oscillating circuit, and the other end is entered and swashed
Encourage ground connection in box 20.The excitation mercury of coil 21 is soaked light.Polytetrafluoroethylene sleeve 22 is socketed in the outside of illuminating part 10.
It is luminosity that conventional electroless lamp is used for illuminating its most important parameter, and needs to select in ion microwave frequency marking
The specific wavelength of mercury lamp acts on operation material.Non-polarized lamp in ion microwave frequency marking uses the radiation spectral line of mercury ion
194nm, compares mercury atom and lights, and excites mercury ion radiation to need higher energy.The excitation output high-frequency, high-power of box 20
Bikini oscillating circuit.Compared to conventional electroless light power-supply system, the electrodeless mercury lamp output frequency and more powerful, coupling of the present invention
The excitation energy closed on luminous bubble is higher.
Attemperating unit includes metal sleeve 30, heat conduction support 31, heat insulated supporter 32, and metal sleeve 30 adopts aluminium shell,
1～2mm bigger than the diameter of cold end 11, metal sleeve 30 is socketed in the outside of cold end 11, in cold end 11 and metal sleeve
Indium metal is set between 30 so that the outside winding indium of cold end 11, the heat transfer efficiency of indium metal is high, and cold end 11 is produced
Heat is rapidly conducted to metal sleeve 30.One end of metal sleeve 30 is connected by bolt with heat conduction support 31, heat conduction support 31
It is fixedly connected with the shell of electrodeless mercury lamp, heat conduction support 31 adopts height-adjustable structure.Heat insulated supporter 32 using vacuum every
Hot plate is made, and is fixedly connected with the shell of electrodeless mercury lamp, and the other end of metal sleeve 30 is connected by bolt with heat insulated supporter 32.
During installation, first cold end 11 is wound into indium metal, in insertion metal sleeve 30.Then, heat insulated supporter 32 is led to
Cross bolt to be connected with metal sleeve 30.By in the embedded heat insulated supporter 32 of the bubble of the mercury with metal sleeve, heat conduction support 31 is adjusted
Height fix to suitable position blending bolt and metal sleeve 30.
Lens group includes condenser lens 40, filter plate 41 and slide rail 42, and condenser lens 40 is arranged on slide rail 42, can slide
Move on rail 42, so as to adjust the distance of illuminating part 10 and condenser lens 40, slide rail 42 is by bolt and the base of electrodeless mercury lamp
It is connected.Filter plate 41 is deep ultraviolet filter plate, positioned at lens group front, is nested at the light admission port of shell, filter plate 41
Size be more than lens focus area, as the optical transmission window of electrodeless mercury lamp.Compared with conventional electroless mercury lamp, the present invention's is electrodeless
Mercury lamp is used to excite pumping operation material transition, only makees when the light that electrodeless mercury lamp sends focuses on competence exertion on operation material
With the effect of lens group is that the light for sending mercury lamp is focused on specific position, i.e. operation material.The middle cardiac wave of filter plate 41
A length of 190nm, with a width of 10nm, the transmitance highest near spectral line 194nm, transmitance is more than 80%, so as to weaken significantly
The transmitance of other spectral lines, effectively increases pumping efficiency, improves the signal to noise ratio of ion microwave frequency marking.
Condenser lens 40 adopts ultraviolet vitreous silica, and transmitance is more than 90% at spectral line 194nm.Condenser lens 40 connects
On slide rail 42, by adjusting position of the condenser lens 40 on slide rail 42, the end face of condenser lens 40 and illuminating part 10 is adjusted
Position, adjustable range is 10-30mm, and the light that illuminating part 10 sends is focused in particular range.Filter plate 41 is arranged on nothing
In the light-transmitting opening of pole mercury lamp shell.The light of the 194nm that filter plate 41 is through wavelength, and other spectral lines are filtered, improve electrodeless mercury
Lamp acts on pumping efficiency during operation material, improves the signal to noise ratio of spectral line measurement, can lift the whole clock performance of ion clock.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this
Obvious change that bright technical scheme is extended out changes row still in protection scope of the present invention.
Claims (10)
1. a kind of electrodeless mercury lamp, it is characterised in that include：Lens group, mercury bubble, driving source and attemperating unit, the mercury bubble includes
The illuminating part being interconnected and cold end, the illuminating part for cylinder, cold end for cylinder or cuboid, illuminating part with
The diameter of the junction of cold end is filled with pure mercury or isotope Hg less than the diameter of illuminating part in the mercury bubble202；
The driving source includes excitation box and coil and is socketed in the polytetrafluoroethylene sleeve of the illuminating part, and excitation box is gold
Category is made, inside is provided with bikini oscillating circuit, and the coil is wrapped in the illuminating part outside of mercury bubble, and one end is by electric capacity and institute
The connection of bikini oscillating circuit is stated, the other end enters excitation box inner ground；
The attemperating unit includes being socketed in the metal sleeve of cold end, separates the polytetrafluoroethylene sleeve and metal sleeve
The heat insulated supporter opened and the heat conduction support for connecting metal sleeve and electrodeless mercury lamp shell；
The lens group is included for the light that luminous end surface sends to be focused on the condenser lens on operation material and to luminous
The filter plate that the light that end surface sends is filtered, the condenser lens be arranged on can before and after adjusting position slide rail on.
2. electrodeless mercury lamp according to claim 1, it is characterised in that the condenser lens is ultraviolet vitreous silica, in spectrum
Transmitance at line 194nm is more than 90%.
3. electrodeless mercury lamp according to claim 2, it is characterised in that the centre wavelength of the filter plate is 190nm, bandwidth
For 10nm, the transmitance of wavelength 194nm light is more than 80%.
4. electrodeless mercury lamp according to claim 1, it is characterised in that it is 3～8 that the coil is wrapped in the number of turns of illuminating part
Circle.
5. electrodeless mercury lamp according to claim 1, it is characterised in that further set between the cold end and metal sleeve
It is equipped with indium metal.
6. electrodeless mercury lamp according to claim 1, it is characterised in that pure mercury or isotope Hg202It is filled in the cold end
It is interior.
7. electrodeless mercury lamp according to claim 1, it is characterised in that a diameter of 5～15mm of the illuminating part, length is
15～50mm.
8. electrodeless mercury lamp according to claim 1, it is characterised in that the power output of the bikini oscillating circuit is 30
～100W, frequency are 100～500MHz.
9. electrodeless mercury lamp according to claim 1, it is characterised in that the excitation box adopts aluminium shell.
10. electrodeless mercury lamp according to claim 1, it is characterised in that the scope that the condenser lens is moved forward and backward is 10
～30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611151152.7A CN106647224B (en) | 2016-12-14 | 2016-12-14 | Electrodeless mercury lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611151152.7A CN106647224B (en) | 2016-12-14 | 2016-12-14 | Electrodeless mercury lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106647224A true CN106647224A (en) | 2017-05-10 |
| CN106647224B CN106647224B (en) | 2019-04-05 |
Family
ID=58821995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611151152.7A Active CN106647224B (en) | 2016-12-14 | 2016-12-14 | Electrodeless mercury lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106647224B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683641A (en) * | 2018-12-21 | 2019-04-26 | 北京无线电计量测试研究所 | A kind of Non-polarized lamp temprature control method and device |
| CN111049519A (en) * | 2019-12-27 | 2020-04-21 | 北京无线电计量测试研究所 | Filtering device, system and method for mercury ion microwave frequency standard |
| CN112254930A (en) * | 2020-09-24 | 2021-01-22 | 北京无线电计量测试研究所 | Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb |
| CN112768326A (en) * | 2020-12-14 | 2021-05-07 | 北京无线电计量测试研究所 | Device and method for manufacturing 194nm spectral line mercury lamp |
| CN113284704A (en) * | 2021-05-17 | 2021-08-20 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
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| CN102182979A (en) * | 2010-01-07 | 2011-09-14 | 优志旺电机株式会社 | Light source device and light irradiating device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683641A (en) * | 2018-12-21 | 2019-04-26 | 北京无线电计量测试研究所 | A kind of Non-polarized lamp temprature control method and device |
| CN109683641B (en) * | 2018-12-21 | 2021-03-02 | 北京无线电计量测试研究所 | Electrodeless lamp temperature control method and device |
| CN111049519A (en) * | 2019-12-27 | 2020-04-21 | 北京无线电计量测试研究所 | Filtering device, system and method for mercury ion microwave frequency standard |
| CN111049519B (en) * | 2019-12-27 | 2022-09-23 | 北京无线电计量测试研究所 | Filtering device, system and method for mercury ion microwave frequency standard |
| CN112254930A (en) * | 2020-09-24 | 2021-01-22 | 北京无线电计量测试研究所 | Device and method for optimizing air pressure of glow starting gas in mercury lamp light-emitting bulb |
| CN112768326A (en) * | 2020-12-14 | 2021-05-07 | 北京无线电计量测试研究所 | Device and method for manufacturing 194nm spectral line mercury lamp |
| CN112768326B (en) * | 2020-12-14 | 2023-06-20 | 北京无线电计量测试研究所 | Manufacturing device and method of 194nm spectral line mercury lamp |
| CN113284704A (en) * | 2021-05-17 | 2021-08-20 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
| CN113284704B (en) * | 2021-05-17 | 2022-07-19 | 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) | Self-rotating terahertz transmitter based on heat dissipation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106647224B (en) | 2019-04-05 |
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