JP2017143107A - レーザ媒質循環管を備えるレーザ発振装置 - Google Patents
レーザ媒質循環管を備えるレーザ発振装置 Download PDFInfo
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- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1026—Controlling the active medium by translation or rotation, e.g. to remove heat from that part of the active medium that is situated on the resonator axis
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- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/104—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
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- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1317—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the temperature
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/134—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/036—Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube
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- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0943—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a gas laser
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
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Abstract
Description
12 共振器部
14 レーザ媒質循環管
16 送風機
50 断熱機構
72,82,92 整流機構
Claims (12)
- レーザ媒質が導入される導入口、および前記レーザ媒質が排出される排出口を有し、レーザ光を生成する共振器部と、
一端が前記導入口に接続され、他端が前記排出口に接続されるレーザ媒質循環管と、
前記レーザ媒質循環管に設置される送風機であって、前記レーザ媒質を前記導入口から前記共振器部へ導入し、前記共振器部に導入された前記レーザ媒質を前記排出口から排出するように、該レーザ媒質を流動させる、送風機と、
前記レーザ媒質循環管の内部に設けられ、該レーザ媒質循環管を流動する前記レーザ媒質と前記レーザ媒質循環管との間の熱伝導を遮断する断熱機構と、を備える、レーザ発振装置。 - 前記断熱機構は、前記他端と、該他端よりも下流側の前記レーザ媒質循環管の位置との間の区間に亘って設けられる、請求項1に記載のレーザ発振装置。
- 前記断熱機構は、前記レーザ媒質循環管の内面に取り付けられた断熱材を有する、請求項1または2に記載のレーザ発振装置。
- 前記断熱機構は、前記レーザ媒質循環管の内面から内方へ離隔して配置され、前記レーザ媒質循環管に沿って延在する断熱管を有し、
前記排出口から排出された前記レーザ媒質は、前記断熱管に流入する一方で、前記レーザ媒質循環管と前記断熱管との間の隙間には流入しない、請求項1に記載のレーザ発振装置。 - 前記断熱管は、その上流側の端部または下流側の端部で前記レーザ媒質循環管に支持される、請求項4に記載のレーザ発振装置。
- 前記断熱機構は、前記レーザ媒質循環管を流動する前記レーザ媒質の流れを整流する整流機構を有する、請求項1〜5のいずれか1項に記載のレーザ発振装置。
- 前記整流機構は、前記レーザ媒質循環管の内部の、前記レーザ媒質循環管の長さ方向と交差する平面に沿った断面領域を複数の区域に仕切る仕切り壁を有する、請求項6に記載のレーザ発振装置。
- 前記整流機構は、前記レーザ媒質循環管の内面から突出するように形成された凸部を有する請求項6に記載のレーザ発振装置。
- 前記レーザ媒質循環管は、継ぎ目なく滑らかに湾曲して延在する曲り部を有する、請求項1〜8のいずれか1項に記載のレーザ発振装置。
- 前記レーザ媒質循環管は、前記他端から下流側へ真直ぐ延在する直管部を有し、
前記直管部は、該直管部の相当直径の3倍以上の長さを有する、請求項1〜9のいずれか1項に記載のレーザ発振装置。 - 前記レーザ媒質循環管は、前記他端に隣接するように設けられた蛇腹部を有する、請求項1〜10のいずれか1項に記載のレーザ発振装置。
- 前記送風機と前記排出口との間に配置され、前記レーザ媒質循環管を流動する前記レーザ媒質から熱を除去する熱交換器をさらに備え、
前記断熱機構は、前記他端と前記熱交換器との間の区間に亘って設けられる、請求項1〜11のいずれか1項に記載のレーザ発振装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2016022022A JP6378221B2 (ja) | 2016-02-08 | 2016-02-08 | レーザ媒質循環管を備えるレーザ発振装置 |
US15/422,684 US9882339B2 (en) | 2016-02-08 | 2017-02-02 | Laser oscillation device having laser medium circulating tube |
DE102017102143.4A DE102017102143B4 (de) | 2016-02-08 | 2017-02-03 | Laseroszillationsvorrichtung mit Lasermedium-Zirkulationsrohr |
CN201710067192.1A CN107046218B (zh) | 2016-02-08 | 2017-02-06 | 激光振荡装置 |
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JP2016022022A JP6378221B2 (ja) | 2016-02-08 | 2016-02-08 | レーザ媒質循環管を備えるレーザ発振装置 |
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JP2017143107A true JP2017143107A (ja) | 2017-08-17 |
JP6378221B2 JP6378221B2 (ja) | 2018-08-22 |
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DE (1) | DE102017102143B4 (ja) |
Cited By (1)
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US11203076B2 (en) | 2017-12-15 | 2021-12-21 | Sodick Co., Ltd. | Wire cut electric discharge machining apparatus |
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CN108899746B (zh) * | 2018-07-27 | 2019-11-01 | 台州市天启激光科技有限公司 | 一种风冷脉冲端泵激光器 |
JP7200087B2 (ja) | 2019-12-26 | 2023-01-06 | アンリツ株式会社 | 製品検査装置及び製品検査方法 |
JP7200159B2 (ja) | 2020-03-11 | 2023-01-06 | アンリツ株式会社 | 計量装置 |
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- 2017-02-02 US US15/422,684 patent/US9882339B2/en active Active
- 2017-02-03 DE DE102017102143.4A patent/DE102017102143B4/de active Active
- 2017-02-06 CN CN201710067192.1A patent/CN107046218B/zh active Active
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US4242648A (en) * | 1978-12-29 | 1980-12-30 | Westinghouse Electric Corp. | High power electrode and feedthrough assembly for high temperature lasers |
JPS55121691A (en) * | 1979-03-14 | 1980-09-18 | Hitachi Ltd | Gas laser device |
JPS5629970U (ja) * | 1979-08-16 | 1981-03-23 | ||
JPS5694068U (ja) * | 1979-12-21 | 1981-07-25 | ||
JPS5694682A (en) * | 1979-12-27 | 1981-07-31 | Hitachi Ltd | Laser oscillator |
JPS57156690U (ja) * | 1981-03-27 | 1982-10-01 | ||
JPS57162380A (en) * | 1981-03-30 | 1982-10-06 | Mitsubishi Electric Corp | Gas circulation type laser device |
JPS5914361U (ja) * | 1982-07-16 | 1984-01-28 | 株式会社小松製作所 | ガス循環形ガスレ−ザ装置 |
JPS62256486A (ja) * | 1986-04-30 | 1987-11-09 | Amada Co Ltd | 気体レ−ザ発振器の電極装置 |
JPS63172481A (ja) * | 1987-01-10 | 1988-07-16 | Hitachi Ltd | レ−ザ発生装置 |
JPH07231129A (ja) * | 1994-02-21 | 1995-08-29 | Matsushita Electric Ind Co Ltd | ガスレーザ発振装置 |
JP2000081192A (ja) * | 1998-09-04 | 2000-03-21 | Benkan Corp | 断熱管 |
JP2002076489A (ja) * | 2000-09-01 | 2002-03-15 | Komatsu Ltd | フッ素レーザ装置及びこれを用いた露光装置 |
JP2004207348A (ja) * | 2002-12-24 | 2004-07-22 | Matsushita Electric Ind Co Ltd | レーザ発振装置およびレーザ加工機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11203076B2 (en) | 2017-12-15 | 2021-12-21 | Sodick Co., Ltd. | Wire cut electric discharge machining apparatus |
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US20170229833A1 (en) | 2017-08-10 |
JP6378221B2 (ja) | 2018-08-22 |
US9882339B2 (en) | 2018-01-30 |
DE102017102143A1 (de) | 2017-08-10 |
CN107046218B (zh) | 2022-05-10 |
DE102017102143B4 (de) | 2023-04-27 |
CN107046218A (zh) | 2017-08-15 |
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