CN102967366B - For improving the system of microwave power frenquency in atomic spectral line detection process - Google Patents
For improving the system of microwave power frenquency in atomic spectral line detection process Download PDFInfo
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Abstract
The invention discloses a kind of for improving the system of microwave power frenquency in atomic spectral line detection process, including light source, central processing unit, integrated filtering resonance module, photodetector unit, microwave source, power detection module, magnetic field control module and current control module.Wherein, integrated filtering resonance module is connected with light source, microwave source, photodetector unit, magnetic field control module successively.Central processing unit is connected with photodetector unit, power detection module, current control module successively.Power detection module is connected with microwave source.Current control module is connected with magnetic field control module.The light beam of radiation of light source is processed by the present invention by integrated filtering resonance module, and the signal after process is detected by photodetector unit, and by testing result transmission to central processing unit.Meanwhile, the signal that microwave source is exported by power detection module is detected, and transmits result of detection to photodetector unit, and then feeds back to microwave source by photodetector unit.
Description
Technical field
The invention belongs to atomic spectral line detection field technical field, particularly to a kind of for improving the system of microwave power frenquency in atomic spectral line detection process.
Background technology
In atomic spectral line detection system when the microwave power transporting to quantum physics part changes, the frequency of system also can change, and its size is different along with structure and the varying in size of microwave power used of concrete atomic spectral line detection system.Owing to the volume of integrated filtering resonating member is relatively big, and internal magnetic field intensity suffered by each several part atom is uneven, and the mid frequency of interior atoms ground state 0-0 transition is slightly different, is actually the superposition of each several part atomic transition spectral line.
Suppose there is such a model, integrated filtering resonating member Atom is segmented into two parts, atom 1 and atom 2, each part of atoms has common 0-0 transition center frequency, but this two parts atom is due to different by magnetic field intensity, its mid frequency is also slightly different, they are respectively arranged with the transition spectral line 101 and 201 of oneself, as shown in Figure 1, the resonance line actually observed is the superposition of spectral line 101 and 201, curve 301 in Fig. 1, core frequency after superposition not only depends on the mid frequency of spectral line 101 and 201 itself, but also depend on the relative intensity of spectral line 101 and 201.When transport to quantum physics part microwave power change time, spectral line 101 and 201 relative variation is with regard to inconsistent (in Fig. 1 shown in curve 102, curve 202), thus the core frequency after superposition will change, curve 302 in Fig. 1, cause microwave power frenquency.
Microwave power frenquency can affect atomic spectral line accuracy of detection.And microwave power is bigger, this rate of change is also bigger；Obviously, will reducing microwave power frenquency, improve the precision of atomic spectral line detection, simplest way is to reduce microwave power used.But reducing microwave power can make the signal to noise ratio of resonance signal decline, it is unfavorable for that the signal to noise ratio of atomic spectral line detection system improves.
Summary of the invention
The technical problem to be solved is to provide a kind of system of microwave power frenquency in atomic spectral line detection process that can be used in improving, and has simple in construction, easy-operating feature.
For solving above-mentioned technical problem, the invention provides a kind of for improving the system of microwave power frenquency in atomic spectral line detection process, including light source, central processing unit, for the integrated filtering resonance module that the light beam of described radiation of light source is processed, for the photodetector unit that the optical signal that described integrated filtering resonance module is transmitted detects, for described integrated filtering resonance module being provided the microwave source of energy signal, for the power detection module that described microwave source output power value is detected, for controlling the magnetic field control module of system magnetic field intensity and for described magnetic field control module being adjusted the current control module controlled；Described magnetic field control module includes enamel-covered wire；Described enamel-covered wire is wrapped on described resonator cavity outer wall；
Described integrated filtering resonance module includes: for the optical filtering resonating member light beam of described radiation of light source being filtered, resonating, resonator cavity；Described optical filtering resonating member is balloon-shaped structure, is placed in described resonator cavity；Described optical filtering resonating member is internal in vacuum state, is used for reducing microwave power frenquency；In described optical filtering resonating member operation material by87Rb and isotope thereof85Rb forms, and described light source is for described in the element of radiation laser beam is87Rb；
Described integrated filtering resonance module is connected with described light source, described microwave source, described photodetector unit, described magnetic field control module；Described central processing unit is connected with described photodetector unit, power detection module, current control module；Described power detection module is connected with described microwave source；Described current control module is connected with described magnetic field control module.
Further, described microwave source microwave frequency is arranged in element A atomic ground state hyperfine structure 0-0 transition center frequency, and element A is87Rb, element A isotope is85Rb；It is carried out frequency regulable control by described central processing unit by described microwave source, has been used for the frequency sweep to whole atomic spectral line；The signal part transmission of described microwave source output is to described integrated filtering resonance module, and a part is transmitted to described power detection module.
Further, the signal that described microwave source is exported by described power detection module detects, and by testing result transmission to described central processing unit, described testing result is fed back to described microwave source by described central processing unit again, and then controls stablizing of described microwave source output signal.
Further, the detection system that the optical signal after the process of described integrated filtering resonance module is detected that described photodetector unit is made up of at least one light cell, and by described detection system by testing result transmission to described central processing unit.
Further, described current control module controls its output current intensity by described central processing unit；Described magnetic field control module controls its magnetic field intensity by described current control module, and then provides the magnetic field required for the division of described integrated filtering resonance module Atom and quantization axle.
Provided by the invention a kind of for improving the system of microwave power frenquency in atomic spectral line detection process, by integrated filtering resonance module, the light beam of radiation of light source is processed, signal after process is detected by photodetector unit, and by testing result transmission to central processing unit.Simultaneously, a signal part for microwave source output is transmitted to integrated filtering resonance module, another part transmits to power detection module, and by power detection module, its performance number is detected, and by result of detection transmission to photodetector unit, then pass through photodetector unit and feed back to microwave source, and then control stablizing of microwave source output signal.The feature that the present invention has simple in construction, easily operation, certainty of measurement is high.
Accompanying drawing explanation
Fig. 1 is microwave power translation phenomena principles structural representation in prior art.
A kind of system principle structural representation for improving microwave power frenquency in atomic spectral line detection process that Fig. 2 provides for the embodiment of the present invention.
Magnetic field intensity measured in a kind of systematic survey process for improving microwave power frenquency in atomic spectral line detection process that Fig. 3 provides for this utility model embodiment, mid frequency, microwave power three numerical relation curve.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is described in further detail.
Referring to Fig. 2, it is a kind of for improving the system of microwave power frenquency in atomic spectral line detection process that the embodiment of the present invention provides, including: light source 401, central processing unit 407, for the integrated filtering resonance module 402 that the light beam that light source 401 is radiated processes, for the photodetector unit 406 that the optical signal that integrated filtering resonance module 402 is transmitted detects, for integrated filtering resonance module 402 being provided the microwave source 403 of energy signal, for the power detection module 405 that microwave source 403 output power value is detected, for controlling the magnetic field control module 404 of system magnetic field intensity and for magnetic field control module 404 being adjusted the current control module 408 controlled.Wherein, integrated filtering resonance module 402 is connected with light source 401, microwave source 403, photodetector unit 406, magnetic field control module 404.Central processing unit 407 is connected with photodetector unit 406, power detection module 405, current control module 408.Power detection module 405 is connected with microwave source 403；Current control module 408 is connected with magnetic field control module 404.
In the present embodiment, integrated filtering resonance module 402 includes: for the optical filtering resonating member light beam of light source 401 radiation being filtered, resonating, resonator cavity.Preferably, optical filtering resonating member is balloon-shaped structure, be placed in in described resonator cavity.In optical filtering resonating member, operation material is by element A and isotopics thereof, and light source 401 is also element A for the element of radiation laser beam.Preferably, element A is87Rb, element A isotope is85Rb.Meanwhile, in order to reduce microwave power frenquency, optical filtering resonating member is not filled with any buffer gas.
In the present embodiment, microwave source 403 microwave frequency is arranged in above-mentioned element A atomic ground state hyperfine structure 0-0 transition center frequency, and by central processing unit 407, it is carried out frequency regulable control, has been used for the frequency sweep to whole atomic spectral line.Meanwhile, a signal part for microwave source 403 output is transferred to integrated filtering resonance module 402, and another part transmits to power detection module 405.Microwave source 403 output power value that detects is transmitted to central processing unit 407 by power detection module 405, and testing result is fed back to described microwave source 403 by central processing unit 407 again, and then the stablizing of regulable control microwave source 407 output signal.
In the present embodiment, photodetector unit 406 by least one light cell form integrated filtering resonance module 402 is processed after the detection system that detects of optical signal, and by testing result transmission to central processing unit 407, and then obtained the center frequency value of atomic spectral line by conventional art.
Meanwhile, the current intensity of current control module 408 output is also controlled by central processing unit 407；And then control magnetic field control module 404 magnetic field intensity, final offer integrated filtering resonance module 402 completes the magnetic field required for atom division and quantization axle.Preferably, magnetic field control module 404 includes enamel-covered wire.Wherein, enamel-covered wire is wrapped on resonator cavity cylindrical outer wall.
nullIn actual application，First pass through central processing unit 407 to be controlled the current intensity that current control module 408 exports regulating，Obtain at least three difference current value I1、I2、I3 (selects current value in certain limit more many，To more be conducive to the enforcement of the present embodiment)，Owing to magnetic field control module 404 is to be wrapped in the magnetic field structure that column type resonator cavity is constituted by enamel-covered wire，Current control module 408 is connected with magnetic field control module 404 again，So current control module 408 directly affects magnetic field intensity produced by magnetic field control module 404 by current intensity change produced by central processing unit 407 regulable control，Therefore，Magnetic field intensity C (C1 can be set up by above-mentioned Changing Pattern、C2、C3) with size of current I (I1、I2、I3) numerical relation between.
Then according to following operating procedure, find out when microwave power value P changes, system Atom core frequency will not be produced the magnetic field intensity of impact.
Step is 1.: central processing unit 407 first controls microwave source 403 and exports a performance number P1, regulate current control module 408 simultaneously and export size of current, and then act on magnetic field control module 404, obtain a field strength value C1, now central processing unit 407 is in atomic ground state hyperfine structure 0-0 transition center frequency, and regulable control microwave source 403 exports microwave frequency size and carries out frequency sweep.Meanwhile, corresponding light inspection signal is obtained by the photoelectric detection unit 406 connected with integrated filtering resonance module 202, then according to conventional art obtains the center frequency value f11 of corresponding atomic spectral line.
Step is 2.: guaranteed output value P1 is constant, and order changes magnetic field and is sized to C2, C3 value, obtains atomic spectral line center frequency value f12, the f13 of correspondence according to step S1 operational approach.And then obtain one group at the variation relation that microwave power is system magnetic field intensity C during P1 value and mid frequency f.
Step is 3.: it is P2, P3 that order changes microwave power value, obtains the variation relation of many group systems magnetic field intensity C and mid frequency f according to step S1 and step S2 operational approach.
Step is 4.: by the numerical relation of above-mentioned P1, C1, f11, the numerical relation of P2, C2, f12, the numerical relation of P3, C3, f13 is depicted as relation curve as shown in Figure 3.
From Fig. 3, it may be determined that a magnetic field intensity C0, in this value, microwave power value P1, P2, P3 change will not on system centre frequency produce impact.Therefore, magnetic field intensity C0, it is the field strength values reducing microwave power frenquency.
Provided by the invention a kind of for improving the system of microwave power frenquency in atomic spectral line detection process, by integrated filtering resonance module, the light beam of radiation of light source is processed, signal after process is detected by photodetector unit, and by testing result transmission to central processing unit.Simultaneously, a signal part for microwave source output is transmitted to integrated filtering resonance module, another part transmits to power detection module, and by power detection module, its performance number is detected, and by result of detection transmission to photodetector unit, then pass through photodetector unit and feed back to microwave source, and then control stablizing of microwave source output signal.The feature that the present invention has simple in construction, easily operation, certainty of measurement is high.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to example, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (5)
- null1. one kind is used for improving the system of microwave power frenquency in atomic spectral line detection process，Including light source (401)、Central processing unit (407)，It is characterized in that，Also include: the integrated filtering resonance module (402) that the light beam for described light source (401) is radiated processes、For the photodetector unit (406) that the optical signal that described integrated filtering resonance module (402) is transmitted detects、For described integrated filtering resonance module (402) being provided the microwave source (403) of energy signal、For the power detection module (405) that described microwave source (403) output power value is detected、For controlling the magnetic field control module (404) of system magnetic field intensity and for described magnetic field control module (404) being adjusted the current control module (408) controlled；Described magnetic field control module (404) includes enamel-covered wire；Described integrated filtering resonance module (402) including: the optical filtering resonating member that filter for light beam that described light source (401) is radiated, resonates, resonator cavity；Described enamel-covered wire is wrapped on described resonator cavity outer wall；Described optical filtering resonating member is balloon-shaped structure, is placed in described resonator cavity；Described optical filtering resonating member is internal in vacuum state, is used for reducing microwave power frenquency；In described optical filtering resonating member operation material by87Rb and isotope thereof85Rb forms, and described light source (401) is for described in the element of radiation laser beam is87Rb；Described integrated filtering resonance module (402) is connected with described light source (401), described microwave source (403), described photodetector unit (406), described magnetic field control module (404)；Described central processing unit (407) is connected with described photodetector unit (406), power detection module (405), current control module (408)；Described power detection module (405) is connected with described microwave source (403)；Described current control module (408) is connected with described magnetic field control module (404).
- 2. according to claim 1 for improving the system of microwave power frenquency in atomic spectral line detection process, it is characterised in that:Described microwave source (403) microwave frequency is arranged in element A atomic ground state hyperfine structure 0-0 transition center frequency, and element A is87Rb, element A isotope is85Rb；It is carried out frequency regulable control by described central processing unit (407) by described microwave source (403), has been used for the frequency sweep to whole atomic spectral line；The signal part transmission that described microwave source (403) exports is to described integrated filtering resonance module (402), and a part is transmitted to described power detection module (405).
- 3. according to claim 2 for improving the system of microwave power frenquency in atomic spectral line detection process, it is characterised in that:The signal that described microwave source (403) is exported by described power detection module (405) detects, and by testing result transmission to described central processing unit (407), described testing result is fed back to described microwave source (403) by described central processing unit (407) again, and then controls stablizing of described microwave source (403) output signal.
- 4. according to claim 3 for improving the system of microwave power frenquency in atomic spectral line detection process, it is characterised in that:The detection system that the optical signal after the process of described integrated filtering resonance module (402) is detected that described photodetector unit (406) is made up of at least one light cell, and by described detection system by testing result transmission to described central processing unit (407).
- 5. according to claim 4 for improving the system of microwave power frenquency in atomic spectral line detection process, it is characterised in that:Described current control module (408) controls its output current intensity by described central processing unit (407)；Described magnetic field control module (404) controls its magnetic field intensity by described current control module (408), and then provides the magnetic field required for the division of described integrated filtering resonance module (402) Atom and quantization axle.
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| CN105628202A (en) * | 2016-01-29 | 2016-06-01 | 江汉大学 | Atomic spectral line detection system and control method therefor |
| CN110261671B (en) * | 2019-07-15 | 2021-07-27 | 中国计量科学研究院 | Microwave power quantum measurement method and vacuum cavity measurement device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839965A (en) * | 2010-05-11 | 2010-09-22 | 江汉大学 | Measuring method for quantity of driven rubidium atom frequency standard residual magnetic field |
| CN101846965A (en) * | 2010-04-28 | 2010-09-29 | 北京大学 | Method for pumping rubidium bubble for outputting standard frequency by lamp pump rubidium gas laser and rubidium atomic clock |
| CN102075187A (en) * | 2011-02-22 | 2011-05-25 | 合肥威师智能电子电器厂 | Cpt atomic clock servo circuit |
| CN202160164U (en) * | 2011-06-30 | 2012-03-07 | 江汉大学 | Microwave cavity bubble device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100542038C (en) * | 2007-05-17 | 2009-09-16 | 江汉大学 | Passive Rb atom frequency standard locking indication and method for diagnosing faults |
| US20090296760A1 (en) * | 2008-05-27 | 2009-12-03 | Miao Zhu | Optical Pumping Apparatus and Method to Reduce AC Stark Shift in Atomic Frequency Standards |
| CN102104382B (en) * | 2011-02-21 | 2013-01-16 | 江汉大学 | Method for reducing optical frequency shift of rubidium atomic frequency standard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846965A (en) * | 2010-04-28 | 2010-09-29 | 北京大学 | Method for pumping rubidium bubble for outputting standard frequency by lamp pump rubidium gas laser and rubidium atomic clock |
| CN101839965A (en) * | 2010-05-11 | 2010-09-22 | 江汉大学 | Measuring method for quantity of driven rubidium atom frequency standard residual magnetic field |
| CN102075187A (en) * | 2011-02-22 | 2011-05-25 | 合肥威师智能电子电器厂 | Cpt atomic clock servo circuit |
| CN202160164U (en) * | 2011-06-30 | 2012-03-07 | 江汉大学 | Microwave cavity bubble device |
Non-Patent Citations (1)
| Title |
|---|
| 光抽运汽室87Rb频标中的微波功率频移;邢爱堂 等;《山东工业大学学报》;20001031;第30卷(第5期);摘要，第484页第1段、第481页最后一段，图1 * |
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