激光光镊拉曼光谱仪信噪比测量研究SIGNAL-TO-NOISE RATIO MEASUREMENT OF THE LASER TWEEZERS RAMAN SPECTROSCOPY
庞华锋,姚辉璐,杨庆怡,陶站华,黄庶石,王桂文,王一兵
摘要(Abstract)：
通过对激光光镊拉曼光谱仪系统信噪比测量分析研究表明:在一定条件下,平均背景噪声随冷却温度降低而缓慢减小,在激发波长不变时对应的信噪比逐渐增加;曝光时间的延长使系统信噪比以不同比例线性增加;激光输入功率和系统信噪比成正比.这为单细胞拉曼光谱测量与分析提供了有力的实验依据.
关键词(KeyWords)： 光学;光镊;拉曼光谱;信噪比
基金项目(Foundation): 广西壮族自治区科学基金(批准号:桂科合0718007B-30,桂科基0575027)
作者(Author): 庞华锋,姚辉璐,杨庆怡,陶站华,黄庶石,王桂文,王一兵
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