Abstract
With a spin-flip Raman laser paramagnetic species can be observed selectively at high sensitivity by magnetic-field modulation. Zeeman modulation spectroscopy (ZMS) at zero external field has been tested with the2 II 3/2 Q-branch of nitric oxide. The sensitivity of this new technique is high enough to observe the “hot” bandv=2←1 of nictric oxide at room temperature. Therefore this method should be suitable for free radical investigations.
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References
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