Specifications
积分腔吸收计,无散射影响
体积小,便携
超大光程,可测低吸收水体
自动补偿水体中叶绿素的荧光影响
Applibation
海洋生态学,气候变化,遥感和海洋光学
Parameter
积分腔内径:9cm
积分腔材质:漫反射材料
反射率: 厚度为10 mm 时反射率为97%~98%
光源类型:150 W卤素灯
光源光传输:通过定制石英玻璃纤维将光引入中心的漫射光源
光检测器:Ramses ACC UV/VIS 辐照度传感器(TRIOS, Germany)
波长:300 ~ 750 nm,间隔2 nm (光学分辨率:3.3 nm)
光传输:通过定制石英玻璃纤维将光从腔体引入光检测器
光谱波长:350 ~ 800 nm
吸收范围:0.001~5 m-1 (吸收系数)
补偿:温度,盐度,叶绿素荧光校正
References
Röttgers R., Schönfeld W., Kipp P.R., Doerffer R. (2005) “Practical test of a point-source integrating cavity absorption meter: the performance of different collector assemblies,”Appl. Opt. 44(26): 5549–5560.
Röttgers R. and Doerffer R. (2007), “Measurements of optical absorption by chromophoric dissolved organic matter using a point-source integrating-cavity absorption meter,”Limnol. Oceanogr. Methods 5, 126-135.
Röttgers R., Häse C., Doerffer R. (2007), “Determination of the particulate absorption of microalgae using a point-source integrating-cavity absorption meter: veri¬cation with a photometric technique, improvements for pigment bleaching, and correction for chlorophyll uorescence,” Limnol. Oceanogr. Methods 5: 1-12.
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