CN109470359A - The method that the rubidium spectral lamp device and optical noise difference for providing difference light output inhibit - Google Patents
The method that the rubidium spectral lamp device and optical noise difference for providing difference light output inhibit Download PDFInfo
- Publication number
- CN109470359A CN109470359A CN201811333340.0A CN201811333340A CN109470359A CN 109470359 A CN109470359 A CN 109470359A CN 201811333340 A CN201811333340 A CN 201811333340A CN 109470359 A CN109470359 A CN 109470359A
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- Prior art keywords
- spectral lamp
- rubidium spectral
- rubidium
- bubble
- lamp bubble
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- 229910052701 rubidium Inorganic materials 0.000 title claims abstract description 125
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 230000003595 spectral effect Effects 0.000 title claims abstract description 110
- 230000003287 optical effect Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003534 oscillatory effect Effects 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 230000005764 inhibitory process Effects 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 31
- 239000007858 starting material Substances 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052743 krypton Inorganic materials 0.000 description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 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
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
The method that the present invention discloses the rubidium spectral lamp device for providing difference light output and optical noise difference inhibits, device includes rubidium spectral lamp bubble, oscillator coil, RF oscillatory circuit plate and heating device；The full symmetric optical signal of rubidium spectral lamp bubble output two-way, the side wall middle part of rubidium spectral lamp bubble are equipped with tail pipe, and oscillator coil is two groups and with the symmetrical side wall for being wrapped in rubidium spectral lamp bubble in rubidium spectral lamp bubble middle part；Oscillator coil described in two groups is electrically connected with RF oscillatory circuit plate respectively；Heating device is set to rubidium spectral lamp bubble and rubidium spectral lamp bubble is heated in the periphery of oscillator coil.The present invention realizes that two ways of optical signals exports using a rubidium spectral lamp bubble, and output optical signal is spatially completely separable, can easily be separately detected；Two ways of optical signals is soaked out from the same rubidium spectral lamp, and optical signal has perfect symmetry, convenient to carry out difference inhibition to optical noise.
Description
Technical field
The invention belongs to difference optical detector technology fields, and in particular to provide the rubidium spectral lamp device and light of difference light output
The method that noise differential inhibits, the atomic sensors such as atomic frequency standard, atom magnetometer suitable for difference optical detection.
Background technique
With the development of science and technology, the high-precisions such as atomic frequency standard, magnetometer atomic sensor positions system in global navigation satellite
The fields such as system, future 5G communication, resource detection, electric power are widely applied.In atomic sensor, light and atom are generally used
Interaction improves atom utilization, and then achievees the purpose that improve sensor accuracy；But optical signal noise can be also superimposed simultaneously
It is exported into detectable signal, limits the raising of system signal noise ratio.By taking Rb atom frequency marking as an example, the pumping light that spectrum lamp issues is by rubidium
Atomic ground state atomicity realizes overturning, and signal strength is improved several orders of magnitude, but the optical noise for composing lamp generation simultaneously is also superimposed
In the output signal, further increasing for system accuracy is limited.
It therefore, is a technical problem to be solved urgently to the inhibition of optical noise, however in the prior art to optical noise
Good effect is also not achieved in inhibition, limits further increasing for system accuracy.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide provide the rubidium light of difference light output
The method that spectrum lamp device and optical noise difference inhibit.
The present invention can generate the full symmetric difference optical signal of two-way, wherein optical signal and atomic interaction all the way, real
Now to the extraction of atomic sensor information, then subtract each other with another way optical signal difference, realize the inhibition to optical noise, improves system
Signal-to-noise ratio achievees the purpose that improve atomic sensor precision.
The technical scheme adopted by the invention is as follows:
There is provided difference light output rubidium spectral lamp device, including rubidium spectral lamp bubble, oscillator coil, RF oscillatory circuit plate and
Heating device；
The full symmetric optical signal of rubidium spectral lamp bubble output two-way, during oscillator coil is two groups and is steeped with rubidium spectral lamp
Portion is symmetrically wrapped in the side wall of rubidium spectral lamp bubble；
Oscillator coil described in two groups is electrically connected with RF oscillatory circuit plate respectively；
The heating device is set to rubidium spectral lamp bubble and rubidium spectral lamp bubble is heated in the periphery of oscillator coil.
The present invention realizes that two ways of optical signals exports using a rubidium spectral lamp bubble, and output optical signal is spatially divided completely
It opens, can easily be separately detected；Two ways of optical signals is soaked out from the same rubidium spectral lamp, and optical signal has perfect right
Title property, it is convenient that difference inhibition is carried out to optical noise.
In order to guarantee to export the full symmetric optical signal of two-way, tail pipe, tail are equipped in the middle part of the side wall of the rubidium spectral lamp bubble
The central axes of pipe are vertical with the central axes that rubidium spectral lamp steeps, and two groups of oscillator coils are symmetrical arranged with the central axes of tail pipe.
Further for guaranteeing the full symmetric optical signal of output two-way, shake described in full symmetric two groups of optical signal of two-way
The number of turns for swinging coil is identical.Oscillator coil 7 is higher-order of oscillation coil.
Preferably, the rubidium spectral lamp bubble is internal filled with 87 metal of starter gas and rubidium.Starter gas is xenon, krypton
Gas etc..Rubidium spectral lamp bubble is made of alkali-proof glass.
87 metallic atom of rubidium shines under starter gas and by the excitation of the radiofrequency signal of oscillator coil feed-in, is that rubidium is former
Sub- frequency marking provides light source.
It is wrapped in the radiofrequency signal feed-in rubidium light that the oscillator coil of rubidium spectral lamp bubble side wall generates RF oscillatory circuit plate
Light bulb is composed, excitation rubidium spectral lamp is soaked light.
Preferably, the rubidium spectral lamp device further includes nonmetallic insulation cover, and nonmetallic insulation cover surrounds rubidium spectrum
Light bulb and oscillator coil are simultaneously equipped with full symmetric and equal-sized first light hole, heating at the both ends of face rubidium spectral lamp bubble
Device is set to nonmetallic insulation cover periphery.
Preferably, gap point silicon fills out conjunction between the nonmetallic insulation cover and rubidium spectral lamp bubble.
Point silicon, which fills out conjunction, keeps rubidium spectral lamp temperature uniform, while guaranteeing not hot-spot, improves the steady of rubidium spectral lamp bubble temperature
It is qualitative, it is capable of fixing rubidium spectral lamp bubble.
Preferably, the rubidium spectral lamp device further includes shielding box, and shielding box is wrapped in the outer of nonmetallic insulation cover
It encloses, shielding box is equipped with the second light hole corresponding with the first light hole size and location of nonmetallic insulation cover, and heating device is set
In shielding box periphery.
Since heating device of the rubidium spectral lamp bubble only outside shielding box is difficult to be added to 110 DEG C or more, heat is made by shielding box
Stream uniformly introduces nonmetallic insulation cover, and about 80 DEG C of the temperature of nonmetallic insulation cover, oscillator coil is steeped to rubidium spectral lamp simultaneously to be heated,
The temperature of rubidium spectral lamp bubble under vacuum condition be can effectively ensure that at 110 DEG C or more, i.e., by adjusting oscillator coil heating power
So that reaching the temperature of commissioning requirements.
Further for the optical signal that guarantee output two-way is full symmetric, the axis of the nonmetallic insulation cover and shielding box
Line is overlapped with the central axes that rubidium spectral lamp steeps.
Preferably, the rubidium spectral lamp device further includes RF oscillatory circuit box, and RF oscillatory circuit plate is fixed on
In RF oscillatory circuit box, RF oscillatory circuit plate is equipped with nonmetallic between the side that rubidium spectral lamp steeps and rubidium spectral lamp bubble
Thermal insulation layer.
Since the temperature of rubidium spectral lamp bubble should be at 110 DEG C or more, and the temperature of RF oscillatory circuit is then more lower better.Temperature
Degree is lower, and the electronic component reliability on RF oscillatory circuit is higher, thus strength is isolated using nonmetallic thermal insulation layer
Circuit board and rubidium spectral lamp steep so that the temperature of the RF oscillatory circuit under vacuum it is lower than the temperature that rubidium spectral lamp steeps 40 DEG C with
On.
Nonmetallic thermal insulation layer isolation rubidium spectral lamp bubble influences the temperature of RF oscillatory circuit, it is ensured that RF oscillatory circuit fortune
Capable reliability.
RF oscillatory circuit on RF oscillatory circuit plate generates the radiofrequency signal for motivating rubidium spectral lamp to be soaked light, preferably penetrates
The frequency of frequency signal is within the scope of 70MHz~150MHz, and power is in 1.5M or so.
Preferably, the rubidium spectral lamp device further includes thermistor and temperature-adjusting circuit, temperature-adjusting circuit respectively with heat
Quick resistance and heating device electrical connection.Temperature debugging is carried out by temperature-adjusting circuit.
Optical noise difference suppressing method is carried out using rubidium spectral lamp device, the two-way including exporting rubidium spectral lamp device is complete
The optical signal all the way and atomic interaction of holosymmetric optical signal, extract atomic sensor information, then with another way
Optical signal difference is subtracted each other, and realizes the inhibition to optical noise.
The invention has the benefit that
The present invention realizes that two ways of optical signals exports using a rubidium spectral lamp bubble, and output optical signal is spatially divided completely
It opens, can easily be separately detected；Two ways of optical signals is soaked out from the same rubidium spectral lamp, and optical signal has perfect right
Title property, it is convenient that difference inhibition is carried out to optical noise.
Detailed description of the invention
Fig. 1 is the present invention-embodiment the schematic diagram of the section structure.
In figure: 1- RF oscillatory circuit box；2- RF oscillatory circuit plate；The nonmetallic insulation cover of 3-；4- rubidium spectral lamp bubble；5-
Oscillator coil；6- shielding box.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.
Embodiment 1:
To reduce the influence in atomic sensor with the pumping light optical noise of atomic interaction to system signal noise ratio, such as scheme
Shown in 1, the rubidium spectral lamp device of the offer difference light output of the present embodiment can realize that two-way is full symmetric by a spectrum lamp
Optical signal output, mainly include that thermal design and structure design.
The rubidium spectral lamp device of difference light output, including rubidium spectral lamp bubble 4, oscillator coil 5, shielding box 6, radio frequency vibration are provided
Swing circuit box 1, RF oscillatory circuit plate 2 and nonmetallic insulation cover 3.
Rubidium spectral lamp bubble 4 is made of alkali-proof glass, and inside is filled with the alkali metal such as starter gas and rubidium, caesium, starter gas
For xenon, Krypton etc., rubidium metal is 87 metal of rubidium, is equipped with tail pipe in the middle part of the side wall of rubidium spectral lamp bubble 4, and the central axes of tail pipe with
The central axes of rubidium spectral lamp bubble 4 are vertical, and oscillator coil 5 is two groups and is symmetrically wrapped in rubidium spectral lamp bubble 4 with the central axes of tail pipe
Side wall.
The number of turns of two groups of oscillator coils 7 is identical, and oscillator coil 7 is higher-order of oscillation coil.
87 metallic atom of rubidium shines under starter gas and by the excitation of the radiofrequency signal of 5 feed-in of oscillator coil, is rubidium
Atomic frequency standard provides light source, and when implementation, the temperature of rubidium spectral lamp bubble should be stablized at 110 DEG C or more, due to different rubidium atoms frequencies
It is different to mark the corresponding value of complete machine, thus occurrence needs to debug, it is too high or too low all to influence Rb atom frequency marking performance.
RF oscillatory circuit on RF oscillatory circuit plate 2 generates the luminous radiofrequency signal of excitation rubidium spectral lamp bubble 4, preferably
The frequency of radiofrequency signal is within the scope of 70MHz~150MHz, and power is in 1.5M or so.It is wrapped in the vibration that rubidium spectral lamp steeps 4 side walls
The radiofrequency signal feed-in rubidium spectral lamp bubble 4 that coil 5 generates RF oscillatory circuit plate 2 is swung, excitation rubidium spectral lamp bubble 4 shines.
Nonmetallic insulation cover 3 surrounds rubidium spectral lamp bubble 4 and oscillator coil 5 and is equipped at the both ends of face rubidium spectral lamp bubble 4
Full symmetric and equal-sized first light hole, gap point silicon fills out conjunction between nonmetallic insulation cover 3 and rubidium spectral lamp bubble 4, from
And keep rubidium spectral lamp bubble temperature uniform, while guaranteeing not hot-spot, improve the stability that rubidium spectral lamp steeps 4 temperature, Neng Gougu
Determine rubidium spectral lamp bubble 4.
Nonmetallic insulation cover 3 is made of glass laminates fabric swatch, polyimides, polystyrene etc..
Shielding box 6 is wrapped in the periphery of nonmetallic insulation cover 3, and nonmetallic insulation cover 3 is close to be fitted in shielding box 6, shielding box 6
Equipped with second light hole corresponding with the first light hole size and location of nonmetallic insulation cover 3.
Shielding box 6 is made of the metal material of aluminium or copper.
Further, the central axes of nonmetallic insulation cover 3 and shielding box 6 are overlapped with the central axes of rubidium spectral lamp bubble 4.
6 periphery of shielding box is equipped with heating device, and rubidium spectral lamp bubble 4 is equipped with thermistor, and heating device is connected with high-precision
Temperature-adjusting circuit realizes the debugging to temperature by thermistor feedback temperature signal to temperature-adjusting circuit.
Heating device is electric heating tube or electric heating wire, is wrapped in shielding box 6 or is attached on shielding box 6 and is heated.
RF oscillatory circuit plate 2 is fixed in RF oscillatory circuit box 1, and RF oscillatory circuit box 1 is fixed on shielding box 2
Outside, in the present embodiment, RF oscillatory circuit box 1 is fixed on the top of shielding box 2, RF oscillatory circuit plate 2 close to shielding box 2 one
Nonmetallic thermal insulation layer is equipped between side and shielding box 6, which is heat insulating mattress, nonmetallic heat-insulated in the present embodiment
Layer is set to RF oscillatory circuit plate 2 between the side of shielding box 2 and the side wall of RF oscillatory circuit box 1, naturally it is also possible to
Between the side wall of RF oscillatory circuit box 1 and the side wall of shielding box 6.
Nonmetallic thermal insulation layer isolation rubidium spectral lamp bubble 4 influences the temperature of RF oscillatory circuit, it is ensured that RF oscillatory circuit
Reliability of operation.
Since the temperature of rubidium spectral lamp bubble 4 should be at 110 DEG C or more, and the temperature of RF oscillatory circuit is then more lower better.
Temperature is lower, and the electronic component reliability on RF oscillatory circuit is higher, thus using the isolation radio frequency vibration of nonmetallic thermal insulation layer
Swing circuit board 2 and shielding box 6 so that the temperature of the RF oscillatory circuit under vacuum than rubidium spectral lamp bubble 4 temperature it is low 40 DEG C with
On.
Since heating device of the rubidium spectral lamp bubble 4 only outside shielding box 6 is difficult to be added to 110 DEG C or more, made by shielding box 6
Hot-fluid uniformly introduces nonmetallic insulation cover 3, about 80 DEG C of the temperature of nonmetallic insulation cover 3, and oscillator coil 5 is steeped to rubidium spectral lamp simultaneously
4 heating can effectively ensure that the temperature of rubidium spectral lamp bubble 4 under vacuum condition at 110 DEG C or more, i.e., by adjusting oscillator coil 5
Heating power makes the temperature for reaching commissioning requirements.
Embodiment 2:
The method for carrying out the inhibition of optical noise difference using rubidium spectral lamp device, comprising: export rubidium spectral lamp device two
The optical signal all the way and atomic interaction of the full symmetric optical signal in road, extract atomic sensor information, then with separately
Optical signal difference is subtracted each other all the way, realizes the inhibition to optical noise.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (10)
1. provide difference light output rubidium spectral lamp device, it is characterised in that: including rubidium spectral lamp bubble (4), oscillator coil (5),
RF oscillatory circuit plate (2) and heating device；
The full symmetric optical signal of the rubidium spectral lamp bubble output two-way, oscillator coil are two groups and with right in the middle part of rubidium spectral lamp bubble
Claim the side wall for being wrapped in rubidium spectral lamp bubble；
Oscillator coil described in two groups is electrically connected with RF oscillatory circuit plate respectively；
The heating device is set to rubidium spectral lamp bubble and rubidium spectral lamp bubble is heated in the periphery of oscillator coil.
2. according to claim 1 provide the rubidium spectral lamp device of difference light output, it is characterised in that: the rubidium spectral lamp
Tail pipe is equipped in the middle part of the side wall of bubble, the central axes of tail pipe are vertical with the central axes that rubidium spectral lamp steeps, and two groups of oscillator coils are with tail pipe
Central axes be symmetrical arranged.
3. according to claim 1 provide the rubidium spectral lamp device of difference light output, it is characterised in that: vibrated described in two groups
The number of turns of coil is identical.
4. according to claim 1 provide the rubidium spectral lamp device of difference light output, it is characterised in that: the rubidium spectral lamp
Bubble is internal filled with 87 metal of starter gas and rubidium.
5. according to any one of claims 1-4 provide the rubidium spectral lamp device of difference light output, it is characterised in that: institute
Stating rubidium spectral lamp device further includes nonmetallic insulation cover (3) and shielding box (6), and nonmetallic insulation cover surrounds rubidium spectral lamp bubble and vibration
It swings coil and is equipped with full symmetric and equal-sized first light hole at the both ends of face rubidium spectral lamp bubble, shielding box is wrapped in
The periphery of nonmetallic insulation cover, shielding box are equipped with to go out with the first light hole size and location corresponding second of nonmetallic insulation cover
Unthreaded hole, heating device are set to shielding box periphery.
6. according to claim 5 provide the rubidium spectral lamp device of difference light output, it is characterised in that: the nonmetallic guarantor
Gap point silicon fills out conjunction between temperature cover and rubidium spectral lamp bubble.
7. according to claim 5 provide the rubidium spectral lamp device of difference light output, it is characterised in that: the nonmetallic guarantor
The central axes of temperature cover and shielding box are overlapped with the central axes that rubidium spectral lamp steeps.
8. according to any one of claims 1-4 provide the rubidium spectral lamp device of difference light output, it is characterised in that: institute
Stating rubidium spectral lamp device further includes RF oscillatory circuit box (1), and RF oscillatory circuit plate is fixed in RF oscillatory circuit box, penetrates
Frequency oscillator circuit plate is equipped with nonmetallic thermal insulation layer between the side that rubidium spectral lamp steeps and rubidium spectral lamp bubble.
9. according to claim 1 provide the rubidium spectral lamp device of difference light output, it is characterised in that: the rubidium spectral lamp
Device further includes thermistor and temperature-adjusting circuit, and temperature-adjusting circuit is electrically connected with thermistor and heating device respectively.
10. rubidium spectral lamp device is utilized to carry out optical noise difference suppressing method, it is characterised in that: including will be such as claim 1-9
The optical signal all the way and atom phase interaction of the full symmetric optical signal of the two-way of the output of rubidium spectral lamp device described in any one
With being extracted to atomic sensor information, then subtract each other with another way optical signal difference, realize inhibition to optical noise.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333340.0A CN109470359B (en) | 2018-11-09 | 2018-11-09 | Rubidium spectrum lamp device providing differential optical output and method for optical noise differential suppression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333340.0A CN109470359B (en) | 2018-11-09 | 2018-11-09 | Rubidium spectrum lamp device providing differential optical output and method for optical noise differential suppression |
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| CN109470359B CN109470359B (en) | 2020-12-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890689A (en) * | 2019-12-04 | 2020-03-17 | 成都天奥电子股份有限公司 | Feedback locking structure capable of simultaneously realizing frequency stability and noise suppression of laser |
| CN116107186A (en) * | 2023-04-04 | 2023-05-12 | 成都量子时频科技有限公司 | Integrated closed ultrathin rubidium spectrum lamp device applied to miniaturized rubidium atomic clock |
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| SU459852A1 (en) * | 1972-07-04 | 1975-02-05 | Ленинградская Военная Инженерная Краснознаменная Академия Имени А.Ф.Можайского | Current to frequency converter |
| CN1148173A (en) * | 1995-04-21 | 1997-04-23 | 乔治·克劳德方法的研究开发空气股份有限公司 | Process and device for analyzing traces of impurities in gas sample by means of diode laser |
| CN103836421A (en) * | 2014-03-21 | 2014-06-04 | 成都天奥电子股份有限公司 | Rubidium atomic frequency standard spectrum lamp device suitable for vacuum conditions |
| CN206506152U (en) * | 2017-02-08 | 2017-09-19 | 浙江大学城市学院 | The Non-polarized lamp of caesium mixing helium atom |
| CN207053485U (en) * | 2017-07-05 | 2018-02-27 | 江汉大学 | One kind plays vibrating system based on double bubble |
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2018
- 2018-11-09 CN CN201811333340.0A patent/CN109470359B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU459852A1 (en) * | 1972-07-04 | 1975-02-05 | Ленинградская Военная Инженерная Краснознаменная Академия Имени А.Ф.Можайского | Current to frequency converter |
| CN1148173A (en) * | 1995-04-21 | 1997-04-23 | 乔治·克劳德方法的研究开发空气股份有限公司 | Process and device for analyzing traces of impurities in gas sample by means of diode laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890689A (en) * | 2019-12-04 | 2020-03-17 | 成都天奥电子股份有限公司 | Feedback locking structure capable of simultaneously realizing frequency stability and noise suppression of laser |
| CN116107186A (en) * | 2023-04-04 | 2023-05-12 | 成都量子时频科技有限公司 | Integrated closed ultrathin rubidium spectrum lamp device applied to miniaturized rubidium atomic clock |
| CN116107186B (en) * | 2023-04-04 | 2023-09-01 | 成都量子时频科技有限公司 | Integrated closed ultrathin rubidium spectrum lamp device applied to miniaturized rubidium atomic clock |
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| Publication number | Publication date |
|---|---|
| CN109470359B (en) | 2020-12-15 |
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