JPS6386621U - - Google Patents

Info

Publication number
JPS6386621U
JPS6386621U JP18264486U JP18264486U JPS6386621U JP S6386621 U JPS6386621 U JP S6386621U JP 18264486 U JP18264486 U JP 18264486U JP 18264486 U JP18264486 U JP 18264486U JP S6386621 U JPS6386621 U JP S6386621U
Authority
JP
Japan
Prior art keywords
light amount
optical element
light
stabilizing device
polarizing plate
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
JP18264486U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP18264486U priority Critical patent/JPS6386621U/ja
Publication of JPS6386621U publication Critical patent/JPS6386621U/ja
Pending legal-status Critical Current

Links

Description

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

第1図は本考案を示すブロツク図、第2図は光
素子の斜視図、第3図はPLZTの電圧と透過率
の関係を示した曲線図、第4図と第5図はそれぞ
れランダム光とレーザー光を利用するときの光素
子への入射を示す図である。また第6図は従来例
のブロツク図である。 1,11……レーザー光源、12……光素子、
4,13……光ビームスプリツタ、5,14……
光検出器、6,15……比較回路、Bi……レー
ザー発振入射光、Bo……安定出射光、Bf……
0次回折光、Bd……一次回折光、E……基準電
圧、G……電気又は磁気光学効果の物質、L……
レンズ、P……電極、S……スリツト、T……偏
光板、θ……偏光角。
Figure 1 is a block diagram showing the present invention, Figure 2 is a perspective view of an optical device, Figure 3 is a curve diagram showing the relationship between voltage and transmittance of PLZT, and Figures 4 and 5 are random light FIG. 3 is a diagram showing the incidence on an optical element when laser light is used. FIG. 6 is a block diagram of a conventional example. 1, 11... Laser light source, 12... Optical element,
4,13...Light beam splitter, 5,14...
Photodetector, 6, 15... Comparison circuit, Bi... Laser oscillation incident light, Bo... Stable output light, Bf...
0th order diffraction light, Bd...1st order diffraction light, E...reference voltage, G...material with electric or magneto-optic effect, L...
Lens, P...electrode, S...slit, T...polarizing plate, θ...polarization angle.

Claims (1)

【実用新案登録請求の範囲】 (1) 透過率を外部から制御可能な光素子と、光
源からの光線を分割するビームスプリツタと、該
ビームスプリツタにより分割された一方の光量を
検出する手段とから成り、該検出手段により得ら
れた光量信号と比較電子回路により、前記光素子
の透過率を制御することによつて、光量を安定化
することを特徴とする光量安定化装置。 (2) 前記光素子が、電圧により偏光面が回転効
果を有する物質と偏光板とにより形成されたこと
を特徴とする実用新案登録請求の範囲第1項記載
の光量安定化装置。 (3) 前記光素子が、磁気により偏光面が回転を
有する物質と偏光板とにより形成されたことを特
徴とする実用新案登録請求の範囲第1項記載の光
量安定化装置。 (4) 前記光素子の制御電極のピツチが、使用す
る光ビーム径より大きいことを特徴とする実用新
案登録請求の範囲の第1項ないし第3項の何れか
1項に記載の光量安定化装置。
[Claims for Utility Model Registration] (1) An optical element whose transmittance can be controlled from the outside, a beam splitter that splits the light beam from the light source, and means for detecting the amount of one of the lights split by the beam splitter. A light amount stabilizing device comprising: a light amount stabilizing device, characterized in that the light amount is stabilized by controlling the transmittance of the optical element using the light amount signal obtained by the detection means and a comparison electronic circuit. (2) The light amount stabilizing device according to claim 1, wherein the optical element is formed of a polarizing plate and a substance whose polarization plane rotates when applied with a voltage. (3) The light amount stabilizing device according to claim 1, wherein the optical element is formed of a polarizing plate and a substance whose polarization plane is rotated by magnetism. (4) The light amount stabilization according to any one of claims 1 to 3 of the utility model registration claim, wherein the pitch of the control electrode of the optical element is larger than the diameter of the light beam used. Device.
JP18264486U 1986-11-26 1986-11-26 Pending JPS6386621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18264486U JPS6386621U (en) 1986-11-26 1986-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18264486U JPS6386621U (en) 1986-11-26 1986-11-26

Publications (1)

Publication Number Publication Date
JPS6386621U true JPS6386621U (en) 1988-06-06

Family

ID=31128634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18264486U Pending JPS6386621U (en) 1986-11-26 1986-11-26

Country Status (1)

Country Link
JP (1) JPS6386621U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102319126B1 (en) * 2021-04-14 2021-10-29 포항공과대학교 산학협력단 Apparatus and method for generating and stabilizing of beam power

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102319126B1 (en) * 2021-04-14 2021-10-29 포항공과대학교 산학협력단 Apparatus and method for generating and stabilizing of beam power

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