单比色皿样本室
Overview of ChronosDFD
ChronosDFD用于测量少于1秒的复衰减寿命，通过Vinci完成全自动化。Vinci是一个易于使用，基于Windows的软件包。
ChronosDFD的关键特征
频域测量
最大的灵敏度
全自动的
与外部设备集成
可升级的
- 拥有灵活的仪器构造和各种光源 (激光二极管、LED和钛-蓝宝石激光器)
- 占地面积紧凑，为了使光在样本内能够高效地耦合并且将灵敏度最大化而设计了较短的光学路径长度
- 下至皮秒上至秒的寿命测定性能
- 全自动化的仪器部件包括了：比色皿支架、偏振板、滤光轮、单色器和搅拌器
- 由PC操控将恒温浴、滴定仪、停流仪器和压力泵集成
- 可升级使其成为全稳态仪器
- 用于快速且精确偏振测定的T式样图形和平行光束光学设计
- 由Vinci多维荧光光谱仪供电
通过频域和ChronosDFD实现的数据采集的关键特征
- 荧光寿命时从两个可测量的参数计算的：相位角和调制
- 速度更快并且更不容易出现伪影
- 能够一步测量各向异性衰减 (旋转相关时)
- 可以更好地分辨短寿命部分
- 由于毫秒量级的高采样率，这是基于寿命传感和实时测量的首选方案
数据相当清晰！
丙二醇中的荧光素
在ChronosDFD上用470 nm激发波长 (氙弧灯) 测量的丙二醇内荧光素频域各向异性衰减 (微分极化相位角和振幅比)。发射通过530长通滤波器收集。θ = 5.3 ns、R0 = 0.40和τ = 4 ns, T = 27-28°C的计算数值。
水中的BodipyFL
在ChronosDFD上用471 nm激光二极管测量水中BodipyFL频域各向异性衰减 (微分极化相位角和振幅比)。发射通过520长通滤波器收集。数据由衰减时5.87 ns的单指数衰减拟合 (χ2 = 0.97)。Product Specifications for ChronosDFD
光源
- 激光二极管 (nm): 370, 405, 436, 473, 635, 690, 780, 830
- LED (nm): 280, 300, 335, 345, 460, 500, 520
- 脉冲二极管：超连续谱、钛蓝宝石、脉冲激光二极管
聚焦和收集几何排列
- 平行光束设计，用于精准偏振测量
偏振器
- UV级别格兰-汤普逊偏振器，L/A=2.0
探测器
- 快速PMT
- 混合型PMT
- APD
探测器模块
- 光子计数电子元件
波长范围
- 200 nm至1700 nm (取决于探测器)
最大计数范围
- 上至8000万次/秒 (使用混合型探测器)
寿命测量范围
- 10-12 s至1 s
操作系统
- Windows 11
电源要求
- 通用电源输入：110 - 240 V, 50/60 Hz, 400 VAC
大小 (mm)
- 540 (长) x 425 (宽) x 235 (高)
重量 (kg)
- 25
ChronosDFD的配置示例
ChronosDFD的产品配件
产品资源
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