Modulated Optical Null Spectrophotometer for Flash Excitation Reactions
- 1 September 1967
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 38 (9), 1316-1321
- https://doi.org/10.1063/1.1721089
Abstract
A differential flash‐photolysis kinetic spectrophotometer has been developed for studies of photo‐induced reactions. The instrument system has a response time of 1.4 msec and an average differential sensitivity of 0.004 OD in the 400–700 nm region. A modulated monochromatic source and phase‐lock detection are employed for signal‐to‐noise enhancement. The maximum actinic flash input is 360 J.Keywords
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