ヘリウムネオンレーザーによるメーターバーの正確な長さの測定
まとめ
ヘリウム・ネオン・レーザーとインターフェローメーターは,メーターバーの長さを正確に測定しました. 結果は優れた一致を示し,レーザー計測の1億分の7の精度を達成しました.
科学分野:
- メトロロジー・メトロロジー
- 光学物理学 光学物理学
- レーザー技術 レーザー技術
背景:
- 正確な長さの測定は,科学と工学において不可欠です.
- 伝統的な測定方法には精度の限界があります.
研究 の 目的:
- ヘリウム・ネオン・ガス・レーザーを自動フリンジカウントインターフェロメーターと併用して,正確な長さの測定を行う.
- メートルバーの校正のためのこの組み合わせシステムの精度を評価するために.
主な方法:
- 安定した光源としてヘリウムネオンガスレーザーを採用した.
- 自動フリンジカウントインターフェロメーターを使用して,干渉フリンジをカウントしました.
- インターフェロメトリック技術を使用して,標準のメーターバーの長さを測定しました.
主要な成果:
- メートルバーの長さを測定しました.
- バーの割り当てられた長さとの高度な一致を達成しました.
- 100万分の7の精度を示した.
結論:
- ヘリウム・ネオン・レーザーとフリンジ・カウンティング・インターフェロメーター・システムは,正確な長さ計測のための非常に効果的なものです.
- この方法は,従来の長さ測定技術と比較して優れた精度を提供します.
- 精密な校正および測定アプリケーションのためのシステムを検証しました.
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