CN106647224B - Electrodeless mercury lamp - Google Patents
Electrodeless mercury lamp Download PDFInfo
- Publication number
- CN106647224B CN106647224B CN201611151152.7A CN201611151152A CN106647224B CN 106647224 B CN106647224 B CN 106647224B CN 201611151152 A CN201611151152 A CN 201611151152A CN 106647224 B CN106647224 B CN 106647224B
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- illumination region
- mercury
- cold end
- mercury lamp
- electrodeless
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
It includes: lens group, mercury bubble, driving source and temperature control device that the present invention, which discloses a kind of electrodeless mercury lamp, the mercury bubble includes interconnected illumination region and cold end, illumination region is cylinder, cold end is cylindrical or cuboid, the diameter of the junction of illumination region and cold end is less than the diameter of illumination region, is filled with pure mercury or isotope Hg in the mercury bubble202.Mercury bubble of the invention will be shone using double bubble structure and the foam function of storage mercury separates, it is connected between illumination region and cold end by the interconnecting piece of minor diameter simultaneously, wherein illumination region couples external coil and shines, cold end storage mercury simultaneously connects temperature regulating device, above structure makes the mercury of liquid be not easy to flow into illumination region, and the generation for the phenomenon that nebulizing is lost in the steep that wall for reducing mercury infiltration illumination region.In addition, common cold end is mostly that slender type is extremely short and small, cold end of the invention is almost the same with the size of illumination region, big with the contact area of temperature control device, is easy to radiating control temperature.
Description
Technical field
The present invention relates to Non-polarized lamp fields.More particularly, to a kind of electrodeless mercury lamp.
Background technique
To meet the urgent need that satellite navigation, space exploration and Code in Hazardous Special Locations time-frequency are applied, to time precision, stability
Increasingly higher demands are proposed, atomic clock has high-precision, high stable as time standard using atomic spectral line jump frequency
The features such as spending is widely used in Field of Time and Frequency.Traditional atomic clock has a hydrogen clock and rubidium clock, however hydrogen clock volume is big and index is high, rubidium
Clock volume Small Indicators are lower than hydrogen clock, and the microwave clock based on mercury ion can achieve the high-precision of hydrogen clock, high reliability and volume with
Rubidium clock is similar, has significant advantage in following time-frequency application.
Mercury ion microwave clock, as pump light source, radiates the excitation of 194nm spectral line using electrodeless mercury lamp199Hg+Transition, substitution
Bulky, complicated deep ultraviolet laser system, so that mercury ion microwave clock volume greatly reduces.Due to electricity no in Non-polarized lamp
Pole breaches traditional luminescence mechanism, has many advantages, including high photosynthetic efficiency, the long-life, light decay is small, power factor is high etc..
Traditional Non-polarized lamp is mostly used for illuminating based on transition spectral line 253.7nm, and volume is larger, such as QL Non-polarized lamp
Blister diameter is 100mm and two kinds of 85mm, and using built-in iron core coupling electrodeless lamp, the electrodeless mercury lamp of Osral is circular ring shape, directly
Diameter is 230mm, couples excitation Non-polarized lamp using external coil and shines, minority radiation 185nm spectral lines as ultraviolet disinfecting,
Volume is also more huge.It is remained unchanged on the market blank using the electrodeless mercury lamp of mercury ion transition spectral line 194.2nm, and above-mentioned city
Mercury lamp volume on field is larger far from meeting the requirement that project is small in size, index is high.It is mostly used greatly in conventional electroless mercury lamp solid
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 the radiation 194nm mercury lamp demand that spectral line is weaker, is not able to satisfy in mercury ion microwave frequency marking.
Foreign countries hold electrodeless mercury lamp technology used in mercury ion microwave frequency marking in close confidence, therefore develop radiation 194nm's
Mercury lamp is one of the key technology that must be broken through.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of small sizes, radiate the electrodeless mercury lamp of 194nm spectral line, this is electrodeless
Mercury lamp illumination effect is good, and Spectral Purity is high, luminous focal position can be controlled by lens group, especially suitable for mercury ion microwave
Frequency marking, as pumping source forcing operation material transition.
In order to solve the above technical problems, the present invention adopts the following technical solutions:
A kind of electrodeless mercury lamp includes: lens group, mercury bubble, driving source and temperature control device, and the mercury bubble includes being interconnected
Illumination region and cold end, illumination region are cylinder, and cold end is cylindrical or cuboid, the junction of illumination region and cold end
Diameter be less than the diameter of illumination region, be filled with pure mercury or isotope Hg in mercury bubble202；
The driving source includes excitation box and coil and the polytetrafluoroethylene sleeve for being socketed in the illumination region, motivates box
It is made of metal, inside is equipped with bikini oscillating circuit, and the coil is wrapped on the outside of the illumination region of mercury bubble, and one end passes through capacitor
It is connect with the bikini oscillating circuit, the other end enters excitation box inner ground；
The temperature control device includes the metal sleeve for being socketed in cold end, separates polytetrafluoroethylene sleeve and metal sleeve
The heat insulated supporter opened and the heat-conductive bracket for connecting metal sleeve Yu electrodeless mercury lamp shell；
The lens group includes the condenser lens that the light for issuing luminous end surface focuses on operation material and right
The sliding rail for capableing of front and back adjusting position is arranged in the optical filter that the light that end surface issues that shines is filtered, the condenser lens
On.
Preferably, the condenser lens is ultraviolet vitreous silica, and the transmitance at spectral line 194nm is greater than 90%.
Preferably, the central wavelength of the filter plate is 190nm, and the transmitance of bandwidth 10nm, wavelength 194nm light are
80% or more.
Preferably, it is 3~8 circles that the coil, which is wrapped in the circle number of illumination region,.
Preferably, indium metal is further provided between the cold end and metal sleeve.
Preferably, pure mercury or isotope Hg202It is filled in the cold end.
Preferably, the diameter of the illumination region is 5~15mm, and length is 15~50mm.
Preferably, the output power of the bikini oscillating circuit is 30~100W, frequency is 100~500MHz.
Preferably, the excitation box uses aluminium shell.
Preferably, the range that the condenser lens moves forward and backward is 10~30mm.
Beneficial effects of the present invention are as follows:
Mercury bubble of the invention will be shone using double bubble structure and the foam function of storage mercury separates, while illumination region and cold end
It is connected between portion by the interconnecting piece of minor diameter, wherein illumination region couples external coil and shines, and cold end storage mercury simultaneously connects control
Warm device, above structure make the mercury of liquid be not easy to flow into illumination region, and the steep that wall loss for reducing mercury infiltration illumination region nebulizes
The phenomenon that generation.In addition, common cold end is mostly that slender type is extremely short and small, the size of cold end of the invention and illumination region is several
It is identical, it is big with the contact area of temperature control device, it is easy to radiating control temperature.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows structural schematic diagram of the invention.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
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 temperature control device, mercury bubble is including being circle
The illumination region 10 and cold end 11 of post shapes, illumination region 10 and cold end 11 are connected to by fine caliber interconnecting piece 12, and mercury bubble uses
Ultraviolet vitreous silica is made, and the transmitance of spectral line 194nm light is greater than 90%, and the diameter of illumination region 10 is 5~15mm, length 15
~50mm.Cold end 11 is for storing liquid mercury, and because the diameter of fine caliber interconnecting piece 12 is much smaller than the diameter of illumination region 10, liquid mercury is not
It easily flows into illumination region 10, reduces the influence to the light of sending.The pure mercury of filling or isotope Hg in mercury bubble202, instead of tradition
Amalgam in electrodeless mercury lamp avoids the broadening and movement for causing spectral line because containing other impurity in amalgam.Cold end 11 can adopt
With cylindrical or cuboid identical with illumination region 10, the size of cold end 11 is close with the size dimension of illumination region 10, easily
In radiating control temperature.Mercury bubble of the invention uses double bubble structure, luminous component and storage mercury part can be efficiently separated, to cold
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, motivates and is equipped in box 20
Bikini oscillating circuit is made of high-frequency triode, inductance, resistance and capacitor etc., output power 30W-100W, frequency
100MHz-500MHz.Excitation box 20 can prevent the interference of external electromagnetic radiation using aluminium shell.Coil 21 is wrapped in illumination region
On 10 outer wall, 3~8 circle of winding, one end of coil 21 is connect by capacitor 23 with bikini oscillating circuit, and the other end, which enters, to swash
Encourage ground connection in box 20.Coil 21 motivates mercury to be soaked light.Polytetrafluoroethylene sleeve 22 is socketed in the outside of illumination region 10.
Conventional electroless lamp is chiefly used in illuminating its most important parameter being light emission luminance, 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 using mercury ion radiation spectral line
194nm shines compared to mercury atom, and excitation mercury ion radiation needs higher energy.Box 20 is motivated to export high-frequency, high-power
Bikini oscillating circuit.Compared to conventional electroless light power-supply system, electrodeless mercury lamp output frequency and more powerful, coupling of the invention
Closing can be higher in the excitation to shine on bubble.
Temperature control device includes metal sleeve 30, heat-conductive bracket 31, heat insulated supporter 32, and metal sleeve 30 uses 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 of cold end 11 winds indium, the heat transfer efficiency of indium metal is high, and cold end 11 is generated
Heat is rapidly conducted to metal sleeve 30.One end of metal sleeve 30 is connect by bolt with heat-conductive bracket 31, heat-conductive bracket 31
It is fixedly connected with the shell of electrodeless mercury lamp, heat-conductive bracket 31 uses 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 connect by bolt with heat insulated supporter 32.
When installation, cold end 11 is wound into indium metal first, is inserted into metal sleeve 30.Then, heat insulated supporter 32 is led to
Bolt is crossed to be connected with metal sleeve 30.By in the mercury bubble insertion heat insulated supporter 32 with metal sleeve, heat-conductive bracket 31 is adjusted
Height it is fixed to suitable position blending bolt and metal sleeve 30.
Lens group includes condenser lens 40, filter plate 41 and sliding rail 42, and condenser lens 40 is arranged on sliding rail 42, can be in cunning
It is moved on rail 42, to adjust the distance of illumination region 10 and condenser lens 40, sliding rail 42 passes through the pedestal of bolt and electrodeless mercury lamp
It is connected.Filter plate 41 is deep ultraviolet filter plate, is located at immediately ahead of lens group, is nested at the light admission port of shell, filter plate 41
Size be greater than lens focus area, the optical transmission window as electrodeless mercury lamp.Compared with conventional electroless mercury lamp, of the invention is electrodeless
Mercury lamp is only made when the light that electrodeless mercury lamp issues focuses on competence exertion on operation material for exciting pumping operation material transition
With the effect of lens group is that the light for issuing mercury lamp focuses on specific position, i.e., on operation material.The middle cardiac wave of filter plate 41
A length of 190nm, bandwidth 10nm, the transmitance highest near spectral line 194nm, transmitance is greater than 80%, 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 uses ultraviolet vitreous silica, and transmitance is more than 90% at spectral line 194nm.Condenser lens 40 connects
On sliding rail 42, by adjusting position of the condenser lens 40 on sliding rail 42, the end face of condenser lens 40 and illumination region 10 is adjusted
Position, adjustable range 10-30mm focuses on the light that illumination region 10 issues in particular range.Filter plate 41 is mounted on nothing
In the light-transmitting opening of pole mercury lamp shell.The light for the 194nm that filter plate 41 is through wavelength, and other spectral lines are filtered out, improve electrodeless mercury
Lamp acts on pumping efficiency when operation material, improves the signal-to-noise ratio of spectral line measurement, can promote the whole clock performance of ion clock.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of electrodeless mercury lamp characterized by comprising lens group, mercury bubble, driving source and temperature control device, the mercury bubble include
Interconnected illumination region and cold end, it is cylindrical or cuboid that the illumination region, which is cylindrical, cold end, illumination region with
The diameter of the junction of cold end is less than the diameter of illumination region, is filled with pure mercury or isotope Hg in the mercury bubble202；
The driving source includes excitation box and coil and the polytetrafluoroethylene sleeve for being socketed in the illumination region, and excitation box is gold
Category is made, is internal equipped with bikini oscillating circuit, and the coil is wrapped on the outside of the illumination region of mercury bubble, and one end passes through capacitor and institute
The connection of bikini oscillating circuit is stated, the other end enters excitation box inner ground；
The temperature control device includes the metal sleeve for being socketed in cold end, separates the polytetrafluoroethylene sleeve and metal sleeve
The heat insulated supporter opened and the heat-conductive bracket for connecting metal sleeve Yu electrodeless mercury lamp shell；
The lens group include the condenser lens that the light for issuing luminous end surface focuses on operation material and to shine
The filter plate that is filtered of light that end surface issues, the condenser lens is arranged in can be on the sliding rail of front and back adjusting position.
2. electrodeless mercury lamp according to claim 1, which is characterized in that the condenser lens is ultraviolet vitreous silica, is being composed
Transmitance at line 194nm is greater than 90%.
3. electrodeless mercury lamp according to claim 2, which is characterized in that the central wavelength of the filter plate is 190nm, bandwidth
For 10nm, the transmitance at wavelength 194nm is 80% or more.
4. electrodeless mercury lamp according to claim 1, which is characterized in that the circle number that the coil is wrapped in illumination region is 3~8
Circle.
5. electrodeless mercury lamp according to claim 1, which is characterized 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, which is characterized in that pure mercury or isotope Hg202It is filled in the cold end
It is interior.
7. electrodeless mercury lamp according to claim 1, which is characterized in that the diameter of the illumination region is 5~15mm, and length is
15~50mm.
8. electrodeless mercury lamp according to claim 1, which is characterized in that the output power of the bikini oscillating circuit is 30
~100W, frequency are 100~500MHz.
9. electrodeless mercury lamp according to claim 1, which is characterized in that the excitation box uses aluminium shell.
10. electrodeless mercury lamp according to claim 1, which is characterized in that the range that the condenser lens moves 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 CN106647224A (en) | 2017-05-10 |
| CN106647224B true CN106647224B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611151152.7A Active CN106647224B (en) | 2016-12-14 | 2016-12-14 | Electrodeless mercury lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007171302A (en) * | 2005-12-19 | 2007-07-05 | Sharp Corp | Light source device, light source unit and projection image display apparatus |
| JP5376409B2 (en) * | 2010-01-07 | 2013-12-25 | ウシオ電機株式会社 | Light source device and light irradiation device |
| CN102176405A (en) * | 2011-03-14 | 2011-09-07 | 高永生 | High-brightness high-frequency electrodeless lamp |
| WO2015097790A1 (en) * | 2013-12-25 | 2015-07-02 | ギガフォトン株式会社 | Excimer laser and excimer laser system |
| CN105576479B (en) * | 2015-12-14 | 2018-08-03 | 北京无线电计量测试研究所 | A kind of mercury spectral lamp |
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