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[Development of high speed UV-Vis spectrophotometer]
Mei-zhen Huang1, Yi Ni, Feng Lin
1Optical Engineering Lab, Physics Department, Shanghai Jiaotong University, Shanghai 200240, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|October 6, 2005
Summary
A new high-speed spectrophotometer using a linear CCD was developed. This fast, accurate instrument offers remote internet capabilities for advanced chemical and biological analysis.
Area of Science:
- Analytical Chemistry
- Spectroscopy
- Instrumentation Engineering
Context:
- Development of advanced analytical instrumentation is crucial for scientific research.
- High-speed measurements are needed for dynamic processes.
- Linear CCD technology offers potential for rapid spectral acquisition.
Purpose:
- To develop and characterize a high-speed spectrophotometer utilizing a linear Charge-Coupled Device (CCD).
- To evaluate the performance metrics of the newly developed spectrophotometer.
- To assess its suitability for routine analysis and dynamic reaction studies.
Summary:
- A high-speed spectrophotometer was engineered using a linear CCD, featuring a wavelength range of 200-820 nm and a full spectrum scan time under 0.1 seconds.
- Key performance indicators include a spectral bandwidth of 0.7 nm, wavelength accuracy of +/-1 nm, photometric accuracy of +/- 0.005 AU, baseline flatness below 0.001 AU (rms), and stray light less than 0.1%.
- The instrument integrates internet functionality for remote control and access, coupled with powerful data processing and spectrum analyzing software.
Impact:
- Provides a user-friendly, high-performance tool for rapid chemical and biological analyses.
- Enables in-depth research into dynamic reactions by offering fast spectral data acquisition.
- Facilitates remote operation and data access, enhancing laboratory efficiency and collaboration.