JPS592387A - Rubidium atom oscillator - Google Patents
Rubidium atom oscillatorInfo
- Publication number
- JPS592387A JPS592387A JP10998882A JP10998882A JPS592387A JP S592387 A JPS592387 A JP S592387A JP 10998882 A JP10998882 A JP 10998882A JP 10998882 A JP10998882 A JP 10998882A JP S592387 A JPS592387 A JP S592387A
- Authority
- JP
- Japan
- Prior art keywords
- rubidium
- lamp
- heater
- section
- shield case
- 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
- 229910052701 rubidium Inorganic materials 0.000 title claims abstract description 41
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical group [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000009413 insulation Methods 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
【発明の詳細な説明】
ルビジウム原子発振器に関し、特にルピジウムランプ部
とルビジウムガスセル部の温度制御に関する０
従来のガスセル形ルピジウム原子発振器においては、ル
ビジウムランプ部とルビジウムガスセル部とは独立した
別々のヒーターおよび温に制御器によってそれぞれ所定
の温度に保たれる。そして、ルビジウムランプは充分な
スペクトル強度を必要とするため約１００℃に保たれ、
ルビジウムガスセル部は充分な吸収レベルを必要とする
ため約７０℃に制御される。従って、従来の発振器は、
２種類の温度制御器を用いるため、部品点数が多く大型
かつ高価になり、消費電力も太きいという欠点がある。Detailed Description of the Invention Regarding a rubidium atomic oscillator, particularly regarding temperature control of a rubidium lamp section and a rubidium gas cell section 0 In a conventional gas cell type rubidium atomic oscillator, the rubidium lamp section and the rubidium gas cell section are provided with independent heaters. and temperature controllers to maintain the respective predetermined temperatures. Rubidium lamps require sufficient spectral intensity, so they are kept at about 100°C.
The rubidium gas cell section requires a sufficient absorption level and is therefore controlled at approximately 70°C. Therefore, the conventional oscillator is
Since two types of temperature controllers are used, there are disadvantages in that the number of parts is large, the device is large and expensive, and the power consumption is also high.
本発明の目的は、上述の従来の欠点を解決し、小型かつ
低電力のルビジウム原子発振器な提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional drawbacks and provide a small-sized and low-power rubidium atomic oscillator.
本発明の発振器は、ルビジウムガスセル部を内包するキ
ャビティと、前記ルビジウムガスセル部を照射するため
のルビジウムランプ部とを備えたルビジウム原子発振器
において、前記ルビジウムランプ部はルビジウムランプ
を加熱する第１のヒーターおよび周囲を覆う断熱材を備
え、該ルビジラムランプ部と前記キャビティとを共通に
覆うシールドケースと、前記第１のヒーターと直列に接
続され前記シールドケースな加熱する第２のヒーターと
、前記シールドケース内を一定温度に保つための温度制
御器とを備えたことを特徴とする。The oscillator of the present invention is a rubidium atomic oscillator comprising a cavity containing a rubidium gas cell section and a rubidium lamp section for irradiating the rubidium gas cell section, wherein the rubidium lamp section is a first heater that heats the rubidium lamp. a shield case that includes a heat insulating material that covers the surrounding area and commonly covers the rubigilum lamp section and the cavity; a second heater that is connected in series with the first heater and heats the shield case; It is characterized by being equipped with a temperature controller for keeping the inside of the case at a constant temperature.
次に、本発明について、図面を参照して詳細に説明する
。Next, the present invention will be explained in detail with reference to the drawings.
第１図は、本発明の一実施例を示す概念図であり、ラン
プ励振器１によってルビジウムランプ６が励振される。FIG. 1 is a conceptual diagram showing an embodiment of the present invention, in which a rubidium lamp 6 is excited by a lamp exciter 1. In FIG.
ルビジウムラング６は、ランプハウス４に収容されてい
て、ランプハウス４には第１のヒータ５が巻回されてい
る。ランプハウス４および第１のヒータ５を断熱材３に
よって櫟いルビジウムランプ部を形成する。断熱材３は
例えばガラス繊維などが用いられる。ただしランプ６か
らの投光がルビジウムガスセル８に供給される孔が穿設
されていることは勿論である。ルビジウムガスセル８は
キャビティ７に内蔵され、光検出素子９は、ルビジウム
ランプ６の投光がルビジウムガスセル８を通過した光を
検出して電気信号に変換する。光検出素子９の出力は、
回路構成部１４に導かれる。回路構成部１４は、ザーボ
増幅器。The rubidium rung 6 is housed in a lamp house 4, and a first heater 5 is wound around the lamp house 4. A rubidium lamp section is formed by arranging the lamp house 4 and the first heater 5 with the heat insulating material 3. The heat insulating material 3 is made of, for example, glass fiber. However, it goes without saying that a hole is provided through which the light emitted from the lamp 6 is supplied to the rubidium gas cell 8. The rubidium gas cell 8 is housed in the cavity 7, and the photodetector element 9 detects the light emitted from the rubidium lamp 6 that passes through the rubidium gas cell 8, and converts it into an electrical signal. The output of the photodetector element 9 is
It is guided to the circuit configuration section 14. The circuit component 14 is a servo amplifier.
低周波発振器１周波数逓倍器２周波数合成器等を内蔵し
、その出力の一部をキャビティ７を介してガスセル８に
供給して共振周波数によるマイクロ波を発振する。It incorporates a low frequency oscillator, a frequency multiplier, two frequency synthesizers, etc., and a part of its output is supplied to the gas cell 8 through the cavity 7 to oscillate microwaves at a resonant frequency.
キャビティ７と、前記ルビジウムランプ部とは共通のシ
ールドケース１０内に収容され、シールドケース１０に
は第２のヒータ２が巻回され、第１のヒータ５と第２の
ヒータ２は直列に接続する。The cavity 7 and the rubidium lamp part are housed in a common shield case 10, the second heater 2 is wound around the shield case 10, and the first heater 5 and the second heater 2 are connected in series. do.
シールドケース１０は透磁率および熱伝導率の高い物質
、例えばパーマロイが用いられる。そして、シールドケ
ース１０の内壁のほぼ中央部には温度検出素子１１が取
付はられ、温度制御器１２は、温度検出素子１１の検出
温度が例えば７０℃になるように、第１および第２のヒ
ータに流す電流を制御する。キャビティ７とシールドケ
ース１０とは熱的に結合しているから、ガスセル８の温
度は上記７０℃に保たれる。一方ランプ部は断熱材３で
囲まれ、かつ第１のヒーター５によって加熱されるため
、シールドケース１０の内部温度よりも高温である。シ
ールドケース１０の温度とランプ部との温度差は、第１
のヒータ５の容量と断熱材３の断熱特性とな適消に選定
することにより任意の温度差に設定することが可能であ
る。本実施例では約３０℃の温度差が得られるように設
定されている。従って、シールドケース１０の内壁が７
０℃に制御されたときランプ６は１００℃であり、ガス
セル８およびランプ６は、それぞれ所定の温度に保たれ
、所期の特性を得ることができる。本実施例においては
、１つの温度制御器１２によってルビジウムランプ６お
よびガスセル８をそれぞれ所定温度に制御できるから、
小型かつ安価に提供され、電力消費量も少なくてすむ効
果がある。The shield case 10 is made of a material with high magnetic permeability and high thermal conductivity, such as permalloy. A temperature detection element 11 is attached to approximately the center of the inner wall of the shield case 10, and the temperature controller 12 controls the first and second temperature detection elements so that the temperature detected by the temperature detection element 11 is, for example, 70°C. Controls the current flowing to the heater. Since the cavity 7 and the shield case 10 are thermally coupled, the temperature of the gas cell 8 is maintained at the above-mentioned 70°C. On the other hand, since the lamp part is surrounded by the heat insulating material 3 and heated by the first heater 5, the temperature is higher than the internal temperature of the shield case 10. The temperature difference between the temperature of the shield case 10 and the lamp part is the first
It is possible to set an arbitrary temperature difference by appropriately selecting the capacity of the heater 5 and the insulation properties of the heat insulating material 3. In this embodiment, the temperature difference is set to be about 30°C. Therefore, the inner wall of the shield case 10 is 7
When the lamp 6 is controlled at 0° C., the temperature is 100° C., and the gas cell 8 and the lamp 6 are each maintained at a predetermined temperature so that desired characteristics can be obtained. In this embodiment, since the rubidium lamp 6 and the gas cell 8 can each be controlled to a predetermined temperature by one temperature controller 12,
It is small and inexpensive, and has the effect of reducing power consumption.
また、ランプ部とキャピテイ部を一体化構造にしたから
振動などに対して強くなる。Also, since the lamp section and the capitivity section are integrated, it is resistant to vibrations, etc.
第２図は、本実施例のランプ部およびガスセル等を含む
光マイクル波共鳴部を示す一部破さい斜視図であり、参
照数字は第１図で示したものと同様である。FIG. 2 is a partially cutaway perspective view showing an optical microwave resonance section including a lamp section and a gas cell of this embodiment, and reference numerals are the same as those shown in FIG. 1.
（５）
本発明は、上記実施例に変形を施こすことを妨げるもの
でないことは勿論である。例えば、ランプ部とガスセル
部をよ（シールドするために、シールドケースｌＯの中
央部に、ランプ光が通る孔を穿設した隔壁を設けて２槽
構造にすること、抵抗線を巻回したヒータに代えてトラ
ンジスタヒータを使用すること等の変形が考えられる。(5) Of course, the present invention does not preclude modifications to the above embodiments. For example, in order to shield the lamp part and the gas cell part, a partition wall with a hole through which the lamp light passes can be provided in the center of the shield case 10 to create a two-tank structure, and a heater with a resistance wire wound thereon. Possible modifications include using a transistor heater instead.
以上のように、本発明においては、ランプ部とガスセル
部を共通のシールドケースで覆い、該ケース内を１個の
温度制御器によって一定温度に制御し、前記ランプ部は
断熱材内部にランプを収容しかつ前記シールドケースな
加熱する第２のヒータと直列に接続された第１のヒータ
によって加熱するように構成したから、ランプ部はシー
ルドケース内部より一定の高温に保たれる。すなわち、
１個の前記温度制御器の制御によってランプ部およびガ
スセル部をそれぞれ所定の温度に保つことができる。従
って、部品点数が少な（、小型、低電力の発振器を安価
に提供することができる効果がある。As described above, in the present invention, the lamp part and the gas cell part are covered with a common shield case, the inside of the case is controlled at a constant temperature by one temperature controller, and the lamp part has a lamp inside the heat insulating material. Since the lamp part is heated by the first heater connected in series with the second heater housed in the shield case, the lamp part is maintained at a constant higher temperature than the inside of the shield case. That is,
The lamp section and the gas cell section can each be maintained at a predetermined temperature by controlling the one temperature controller. Therefore, it is possible to provide a small, low-power oscillator with a small number of parts at a low cost.
（６）(6)
第１図は本発明の一実施例を示す一部ブロック図を含む
概念図、第２図は上記実施例を示す一部破さい斜視図で
ある。
図において、１・・・ランプ励振器、２・・・第２のヒ
ータ、３・・・断熱材、４・・・ランプハウス、５・・
・第１のヒーター、６・・・ルビジウムランプ、７・・
・キャビティ、８・・・ルビジウムガスセル、９・・・
光検出素子、１０・・・シールドケース、１１・・・温
度検出素子、１２・・・温度制御器、１４・・・回路構
成部。
代理人 弁理士 住 １）俊 宗
（７）
第１ 因FIG. 1 is a conceptual diagram including a partial block diagram showing an embodiment of the present invention, and FIG. 2 is a partially cutaway perspective view showing the embodiment. In the figure, 1...Lamp exciter, 2...Second heater, 3...Insulating material, 4...Lamp house, 5...
・First heater, 6... Rubidium lamp, 7...
・Cavity, 8... Rubidium gas cell, 9...
Photodetection element, 10... Shield case, 11... Temperature detection element, 12... Temperature controller, 14... Circuit component. Agent Patent Attorney Sumi 1) Toshi So (7) 1st cause
Claims (1)
ビジウムガスセル部を照射するためのルビジウムランプ
部とを備えたルビジウム原子発振器において、前記ルビ
ジウムランプ部はルビジウムランプを加熱する第１のヒ
ーターおよび周囲な櫟う断熱材を備え、該ルビジウムラ
ンプ部と前記キャビティとを共通に扱うシールドケース
と、前記第１のヒーターと直列に接続され前記シールド
ケースな加熱する第２のヒーターと、前記シールドケー
ス内を一定温度に保つための温度制御器とを備えたこと
を特徴とするルビジウム原子発振器。In a rubidium atomic oscillator comprising a cavity containing a rubidium gas cell section and a rubidium lamp section for irradiating the rubidium gas cell section, the rubidium lamp section includes a first heater that heats the rubidium lamp and a surrounding circular insulation. a shield case that handles the rubidium lamp section and the cavity in common; a second heater that is connected in series with the first heater and heats the shield case; A rubidium atomic oscillator characterized by comprising a temperature controller for maintaining the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10998882A JPS592387A (en) | 1982-06-28 | 1982-06-28 | Rubidium atom oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10998882A JPS592387A (en) | 1982-06-28 | 1982-06-28 | Rubidium atom oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS592387A true JPS592387A (en) | 1984-01-07 |
| JPS6364911B2 JPS6364911B2 (en) | 1988-12-14 |
Family
ID=14524234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10998882A Granted JPS592387A (en) | 1982-06-28 | 1982-06-28 | Rubidium atom oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS592387A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350632A (en) * | 1964-08-25 | 1967-10-31 | Varian Associates | Optically pumped atomic diffusion maser with separate pumping and observation regions |
| JPS5219096A (en) * | 1975-08-05 | 1977-01-14 | Nec Corp | Rubidium-atom oscillator |
| JPS52146195A (en) * | 1976-05-31 | 1977-12-05 | Fujitsu Ltd | Atomic oscillator |
-
1982
- 1982-06-28 JP JP10998882A patent/JPS592387A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350632A (en) * | 1964-08-25 | 1967-10-31 | Varian Associates | Optically pumped atomic diffusion maser with separate pumping and observation regions |
| JPS5219096A (en) * | 1975-08-05 | 1977-01-14 | Nec Corp | Rubidium-atom oscillator |
| JPS52146195A (en) * | 1976-05-31 | 1977-12-05 | Fujitsu Ltd | Atomic oscillator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6364911B2 (en) | 1988-12-14 |
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