JPS5827963U - Frequency stabilization laser device - Google Patents

Frequency stabilization laser device

Info

Publication number
JPS5827963U
JPS5827963U JP1981120704U JP12070481U JPS5827963U JP S5827963 U JPS5827963 U JP S5827963U JP 1981120704 U JP1981120704 U JP 1981120704U JP 12070481 U JP12070481 U JP 12070481U JP S5827963 U JPS5827963 U JP S5827963U
Authority
JP
Japan
Prior art keywords
laser device
frequency
frequency stabilization
stabilization laser
stabilizes
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.)
Pending
Application number
JP1981120704U
Other languages
Japanese (ja)
Inventor
統 助川
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP1981120704U priority Critical patent/JPS5827963U/en
Publication of JPS5827963U publication Critical patent/JPS5827963U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の周波数安定化装置を示すブロック図、第
２図は共振器長とレーザー出力の関係を示すグラフ、第
３図は本考案の一実施例を示すブロック図である。 ２・・・・・・ピエゾ素子、３・・・・・・ディテクタ
ー、４・・・・・・発振器、５・・・・・・位相検波器
、６・・・・・・同調増幅器、７・・・・・・直流増幅
器、８・・・・・・差動増幅器、９・・・・・・増幅器
。FIG. 1 is a block diagram showing a conventional frequency stabilizing device, FIG. 2 is a graph showing the relationship between resonator length and laser output, and FIG. 3 is a block diagram showing an embodiment of the present invention. 2... Piezo element, 3... Detector, 4... Oscillator, 5... Phase detector, 6... Tuning amplifier, 7 ...DC amplifier, 8...Differential amplifier, 9...Amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピエゾ素子により共振器長を変調させ、閉ループ動作に
よりレーザー周波数安定化を行なうレーザ装置において
、変調信号とピエゾ駆動信号の差動増幅を行なうことに
より、変調信号に含まれるピエゾ駆動信号のノイズを消
去なさしめる回路を備えたことを特徴とする周波数安定
化レーザ装置。In a laser device that modulates the resonator length using a piezo element and stabilizes the laser frequency through closed-loop operation, noise in the piezo drive signal contained in the modulation signal is eliminated by performing differential amplification between the modulation signal and the piezo drive signal. A frequency-stabilized laser device characterized by being equipped with a circuit that stabilizes the frequency.
JP1981120704U 1981-08-14 1981-08-14 Frequency stabilization laser device Pending JPS5827963U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981120704U JPS5827963U (en) 1981-08-14 1981-08-14 Frequency stabilization laser device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981120704U JPS5827963U (en) 1981-08-14 1981-08-14 Frequency stabilization laser device

Publications (1)

Publication Number Publication Date
JPS5827963U true JPS5827963U (en) 1983-02-23

Family

ID=29914686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981120704U Pending JPS5827963U (en) 1981-08-14 1981-08-14 Frequency stabilization laser device

Country Status (1)

Country Link
JP (1) JPS5827963U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107745U (en) * 1984-12-21 1986-07-08
JPS6262653U (en) * 1985-10-09 1987-04-18
JPS62152949U (en) * 1986-03-20 1987-09-28
JPS6346313U (en) * 1986-09-12 1988-03-29
JPH0194263U (en) * 1987-12-11 1989-06-21
JPH0486751U (en) * 1990-11-30 1992-07-28

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107745U (en) * 1984-12-21 1986-07-08
JPS6262653U (en) * 1985-10-09 1987-04-18
JPS62152949U (en) * 1986-03-20 1987-09-28
JPH0424844Y2 (en) * 1986-03-20 1992-06-12
JPS6346313U (en) * 1986-09-12 1988-03-29
JPH0320303Y2 (en) * 1986-09-12 1991-05-01
JPH0194263U (en) * 1987-12-11 1989-06-21
JPH0486751U (en) * 1990-11-30 1992-07-28

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