Hyperfine spectra of iodine molecule available to diode laser frequency standard at 630-640 nm (experiment)

In this paper, we theoretically predicate over 700 groups of stronger hyperfine transitions of the iodine molecule available for a diode laser frequency standard at 630-640nm. The strong transition means that the transition intensity is greater than the intensity of P(33)6-3, beside R(127)11-5).