JPWO2012161083A1 - パルス光源 - Google Patents
パルス光源 Download PDFInfo
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- JPWO2012161083A1 JPWO2012161083A1 JP2013516327A JP2013516327A JPWO2012161083A1 JP WO2012161083 A1 JPWO2012161083 A1 JP WO2012161083A1 JP 2013516327 A JP2013516327 A JP 2013516327A JP 2013516327 A JP2013516327 A JP 2013516327A JP WO2012161083 A1 JPWO2012161083 A1 JP WO2012161083A1
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- H—ELECTRICITY
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
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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
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- H01S5/06216—Pulse modulation or generation
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Abstract
Description
図1は、第1実施形態に係るパルス光源1の構成図である。図1において、パルス光源1は、MOPA(Master Oscillator Power Amplifier)構造を有し、種光源10および光ファイバ増幅器20Aを備える。種光源10は、駆動電流0〜220mAの範囲で直接変調可能な光源であって、パルス光を出力する1060nm帯ファブリーペロ半導体レーザを含む。
図6は、第2実施形態に係るパルス光源2の構成図である。パルス光源2は、MOPA構造を有し、種光源10および光ファイバ増幅器20Bを備える。図1に示された第1実施形態に係るパルス光源1の構成と比較すると、図6に示された第2実施形態に係るパルス光源2は、プリアンプ21Aを含む光ファイバ増幅器20Aに替えて、プリアンプ21Bを含む光ファイバ増幅器20Bを備える点で相違する。
図7は、第3実施形態に係るパルス光源3の構成図である。図7において、パルス光源3は、MOPA構造を有し、種光源10および光ファイバ増幅器20Cを備える。図1に示された第1実施形態に係るパルス光源1の構成と比較すると、この図6に示された第3実施形態に係るパルス光源3は、光ファイバ増幅器20Aに替えて光ファイバ増幅器20Cを備える点で相違する。光ファイバ増幅器20Cは、プリアンプ21Cおよびブースタアンプ221,222を含む。
Claims (6)
- 直接変調され、パルス光を出力する半導体レーザと、
前記半導体レーザから出力されるパルス光を、そのピーク波長を含む第1波長成分と残りの第2波長成分とに分波する光フィルタと、
前記光フィルタから出力された前記第1波長成分のパルス光および/または前記第2波長成分のパルス光を増幅する光ファイバ増幅器と、
を備えたパルス光源。 - 前記光ファイバ増幅器が、前記第1波長成分のパルス光および前記第2波長成分のパルス光の何れか一方を選択的に入力し、その入力パルス光を増幅することを特徴とする請求項1に記載のパルス光源。
- 前記光ファイバ増幅器が、前記第1波長成分のパルス光を増幅する第1増幅部と、前記第2波長成分のパルス光を増幅する第2増幅部とを含むことを特徴とする請求項1に記載のパルス光源。
- 前記光フィルタが、誘電体多層膜を含むことを特徴とする請求項1に記載のパルス光源。
- 前記光フィルタが、ファイバブラッググレーティングを含むことを特徴とする請求項1に記載のパルス光源。
- 前記光フィルタから出力される前記第1波長成分のパルス光および前記第2波長成分のパルス光それぞれのパルス半値全幅が、10倍以上異なる相違することを特徴とする請求項1に記載のパルス光源。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011115982 | 2011-05-24 | ||
JP2011115982 | 2011-05-24 | ||
PCT/JP2012/062655 WO2012161083A1 (ja) | 2011-05-24 | 2012-05-17 | パルス光源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012161083A1 true JPWO2012161083A1 (ja) | 2014-07-31 |
JP5951601B2 JP5951601B2 (ja) | 2016-07-13 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013516327A Expired - Fee Related JP5951601B2 (ja) | 2011-05-24 | 2012-05-17 | パルス光源 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9001416B2 (ja) |
EP (1) | EP2717392A4 (ja) |
JP (1) | JP5951601B2 (ja) |
WO (1) | WO2012161083A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104505699B (zh) * | 2014-12-05 | 2017-07-28 | 中国科学院西安光学精密机械研究所 | 脉宽可调重频可调的窄线宽全光纤超短脉冲放大系统 |
US20160181757A1 (en) * | 2014-12-19 | 2016-06-23 | Coherent Kaiserslautern GmbH | Mopa with selectively variable pulse-duration |
US10263382B1 (en) | 2017-04-27 | 2019-04-16 | Lockheed Martin Corporation | Device, system and method with burst mode laser source system forming laser-induced radio frequency (LIRF) energy |
US10256592B1 (en) * | 2017-04-27 | 2019-04-09 | Lockheed Martin Corporation | Device, system and method with cascaded burst mode laser amplified pumping oscillator signal |
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2012
- 2012-05-17 EP EP20120788949 patent/EP2717392A4/en not_active Withdrawn
- 2012-05-17 WO PCT/JP2012/062655 patent/WO2012161083A1/ja active Application Filing
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US20120300290A1 (en) | 2012-11-29 |
EP2717392A4 (en) | 2015-03-11 |
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EP2717392A1 (en) | 2014-04-09 |
JP5951601B2 (ja) | 2016-07-13 |
US9001416B2 (en) | 2015-04-07 |
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