Second-Derivative Line-Sharpening Device for Electron Paramagnetic Resonance
A second-derivative line-sharpening device is described which is capable of reducing the apparent linewidth of an EPR signal by half. The principle of operation is field modulation at odd subharmonics of the second field modulation frequency. Accumulation of the sharpening terms in a CAT is found to greatly improve the signal-to-noise ratio of the sharpened spectra and to reduce the set-up time required.
KeywordsElectron Paramagnetic Resonance Electron Paramagnetic Resonance Spectrum Electron Paramagnetic Resonance Signal Resolution Enhancement Electron Paramagnetic Resonance Absorption
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