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时间分辨吸收光谱分析系统
皮秒系统
时间分辨吸收光谱分析系统是可以在极短时间内进行瞬态吸收光谱测量的装置。通过该系统可以对溶液、固体、膜等环境中光反应的反应中间体的形成和衰变过程进行分析。通过使用条纹相机作为探测器，并使用单发模式进行多波长时间分辨测量，可以同时测量时间分辨吸收光谱和瞬态吸收时间分辨光谱图象，并且可以得到不可逆现象的图象。新开发的高动态范围条纹相机 C13410 用作探测器。还可以在高动态范围和高信噪比下测量极小的瞬态吸收变化。
《皮秒系统》时间分辨率：90 ps，测量时间范围：0.5 ns 至 20 ns。
特点
- 以最低 0.005 的光密度 (OD) 进行测量（对于单发模式，OD 值为 0.02 或更低）
- 使用单发模式同时测量多个波长
- 高时间分辨率
- 带计算机控制的自动测量
测量示例
瞬态吸收时间分辨光谱的测量
蒽在超临界二氧化碳（40°C，10.9 MPa）中的三线态-三线态吸收的时间分辨瞬态吸收光谱条纹图象
数据提供：
国家先进工业科学技术研究所
超临界流体研究中心（日本仙台市）
研究者：
Takafumi Aizawa 博士
详细参数
| 系统名称 | 皮秒锁模 YAG 激光器 |
|---|---|
| 时间分辨率 | <70 ps |
| 测量时间范围 | 0.5 ns 到 20 ns |
| 白光源 | 氙灯击穿 |
| 测量 OD 值 | 0.005（对于单发，为 0.02 或更低） |
| 同时观测波长宽度 (W) 和波长分辨率 (Δλ) | 100 gr/mm：W=510 nm Δλ <3.0 nm 150 gr/mm：W=340 nm Δλ <2.0 nm 300 gr/mm：W=170 nm Δλ <1.0 nm 600 gr/mm：W=85 nm Δλ <0.5 nm |
| 测量波长范围 | 250 nm 到 750 nm |
| 通道数 | 时间轴：1016 个通道 波长轴：1344 个通道 |
尺寸
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