JP2017017196A5 - - Google Patents
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- JP2017017196A5 JP2017017196A5 JP2015132925A JP2015132925A JP2017017196A5 JP 2017017196 A5 JP2017017196 A5 JP 2017017196A5 JP 2015132925 A JP2015132925 A JP 2015132925A JP 2015132925 A JP2015132925 A JP 2015132925A JP 2017017196 A5 JP2017017196 A5 JP 2017017196A5
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- JP
- Japan
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- excitation light
- solid
- laser
- light source
- state laser
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- 230000005284 excitation Effects 0.000 claims 13
- 230000003287 optical Effects 0.000 claims 3
Claims (3)
前記固体レーザ媒質から軸方向に延びるレーザ光の光路上の先端側に配置され、パルスレーザ光を外部に出射する出力ミラーと、
前記固体レーザ媒質から軸方向に延びる前記光路上の後端側に配置されたリアミラーと、
前記出力ミラーと前記リアミラーによって形成される光共振器に設けられたＱスイッチと、
前記固体レーザ媒質に向けて側方から励起光を照射する第１励起光源と、
前記固体レーザ媒質に向けて後方から励起光を照射する第２励起光源と、
を備えたことを特徴とするＱスイッチレーザ装置。 An external columnar solid-state laser medium;
An output mirror disposed on the tip side on the optical path of laser light extending in the axial direction from the solid-state laser medium, and emitting pulsed laser light to the outside;
A rear mirror disposed on the rear end side on the optical path extending in the axial direction from the solid-state laser medium;
A Q switch provided in an optical resonator formed by the output mirror and the rear mirror;
A first excitation light source that irradiates excitation light from the side toward the solid-state laser medium;
A second excitation light source that irradiates excitation light from behind toward the solid-state laser medium;
A Q-switched laser device comprising:
前記第１励起光源から照射される第１励起光の出力、および、前記第２励起光源から照射される第２励起光の出力は、前記第１励起光による前記固体レーザ媒質の利得、および前記第２励起光による前記固体レーザ媒質の利得の各々が、パルスレーザ光を発振することが可能な発振閾値未満となる値に設定されることを特徴とするＱスイッチレーザ装置。 The Q-switched laser device according to claim 1,
The output of the first excitation light emitted from the first excitation light source and the output of the second excitation light emitted from the second excitation light source are the gain of the solid-state laser medium by the first excitation light, and the Each of the gains of the solid-state laser medium by the second excitation light is set to a value that is less than an oscillation threshold value capable of oscillating pulsed laser light.
前記第１励起光源がフラッシュランプであり、
前記第２励起光源がレーザダイオードであり、
前記フラッシュランプおよび前記レーザダイオードの励起光の発光を制御することで、レーザパルスの発振を制御する制御部をさらに備え、
前記制御部は、前記フラッシュランプの発光を開始させるトリガ信号と、前記レーザダイオードの発光を開始させるトリガ信号とを同じタイミングで出力することを特徴とするＱスイッチレーザ装置。
The Q-switched laser device according to claim 1 or 2,
The first excitation light source is a flash lamp;
The second excitation light source is a laser diode;
By further controlling the emission of excitation light of the flash lamp and the laser diode, further comprising a control unit for controlling the oscillation of the laser pulse,
The control unit outputs a trigger signal for starting light emission of the flash lamp and a trigger signal for starting light emission of the laser diode at the same timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015132925A JP6651718B2 (en) | 2015-07-01 | 2015-07-01 | Q switch laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015132925A JP6651718B2 (en) | 2015-07-01 | 2015-07-01 | Q switch laser device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017017196A JP2017017196A (en) | 2017-01-19 |
| JP2017017196A5 true JP2017017196A5 (en) | 2018-08-02 |
| JP6651718B2 JP6651718B2 (en) | 2020-02-19 |
Family
ID=57831015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015132925A Active JP6651718B2 (en) | 2015-07-01 | 2015-07-01 | Q switch laser device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6651718B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW202114308A (en) | 2019-05-21 | 2021-04-01 | 日商索尼股份有限公司 | Passive Q switching laser device, control method, and laser processing device |
-
2015
- 2015-07-01 JP JP2015132925A patent/JP6651718B2/en active Active
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