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Updated: Jul 22, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
Diode laser wavelength modulated spectroscopy of I(2) at 675 nm
Jessica A Eng1, J L Hardwick, James A Raasch
1Department of Chemistry, University of Oregon, Eugene, OR 47403, USA.
Abstract:
A free-running diode laser has been used to examine the spectrum of 127I(2) near 675 nm using wavelength modulation spectroscopy. Twelve transitions have been observed in the region between 14818.0 and 14819.3 cm(-1), all of which are accounted for by previously published constants. Changes in quadrupole coupling constants, DeltaeQq, have been determined for all lines. Pressure broadening and shift coefficients have been determined for two unblended lines for broadening by air, argon, and water vapor.

