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Updated: Feb 21, 2026

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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
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間接的にLEDでポンプされたNd:ガラスの再生アンプです
Optics express
|February 20, 2026
まとめ
研究者らは,初のLEDポンプ式ネオジム・ドーピング・グラス (Nd:glass) 再生増幅器を開発した. この新しいレーザー技術は,3.8mJのパルスエネルギーを達成し,高エネルギーレーザーシステムの道を開く.
科学分野:
- レーザー物理学 レーザー物理学
- オプトエレクトロニクス (光電子機器)
- 材料科学 材料科学とは
背景:
- ネオジム添加ガラス (Nd:glass) レーザーは,高エネルギーアプリケーションにおいて極めて重要です.
- 再生増幅器の伝統的なポンプ方式は,スケーラビリティと効率の限界に直面しています.
- 効率的でスケーラブルなポンプソースの開発は,レーザー技術の進歩に不可欠です.
研究 の 目的:
- 最初のLEDポンプのNd:ガラスの再生アンプをデモンストレーションします.
- 高エネルギーレーザーシステムの間接的なLEDポンプの性能を評価するために.
- レーザー増幅における発光濃縮器の潜在能力を探求する.
主な方法:
- 青いLED光を吸収するためにCe:LuAG発光コンセントレーターを使用しました.
- 主要なポンプソースとして3200個の青色発光ダイオード (LED) を採用した.
- 濃縮された黄色い光を活用するためにNd:ガラスの再生増幅器を設定しました.
主要な成果:
- 1053nmで2nsパルスを達成し,3.8mJのエネルギーを得ました.
- 増幅器を2 Hzの繰り返し率で操作しました.
- 発光コンセントレーターから黄色いスペクトル範囲で3.4kWの光学ピークパワーを生成しました.
結論:
- 最初のLEDポンプ Nd:ガラス再生アンプが成功裏に実証されました.
- 発光コンセントレーターによる間接的なLEDポンプは,高いパワースケーリングの可能性を提供します.
- この技術は,将来の高エネルギー Nd:ガラスレーザーチェーンに希望を示しています.
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