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首頁 > 核心技術 > 激光拉曼(LRD)
激光拉曼(LRD)

激光拉曼技術是基于氣體拉曼散射的光譜類氣體分析技術，利用高光束質量的激光器發出特定波長的激光。經過消色差透鏡在氣體室中聚焦，在焦點位置激光和氣體分子相互碰撞產生拉曼散射，不同氣體對應的拉曼散射光波長不一樣（稱為氣體的拉曼特征峰）。拉曼峰的強度和氣體濃度值成正比，通過光譜分析氣體拉曼特征峰的位置和強度，可實現多組分同時測量。此外，由于拉曼散射光譜的激發和收集時間非常短，因此和色譜相比具有更快的響應時間。

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