Abstract
The Zeeman spectra of atomic iodine in the presence of a magnetic field ranging from 0 to 400 G has been directly observed with a high-resolution 1.3-µm diode laser tuned across the I(2P1/2)→I(2P3/2) hyperfine transitions in a heated I2 cell. Experimental results for both σ(ΔMF=0) and π(ΔMF=±1) transitions are presented and compared with a theoretical model with good agreement. A Gaussian fit to zero-field spectral lines gives a measure of gas temperature and peak absorption in agreement with calculated values based on experimental conditions.
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