Control over the product branching ratio in the photodissociation of Na 2 into Na͑3s͒ 1 Na͑3p͒ and Na͑3s͒ 1 Na͑3d͒ is demonstrated using a two-photon incoherent interference control scenario. Ordinary pulsed nanosecond lasers are used and Na 2 is at thermal equilibrium in a heat pipe. Results show a depletion in the Na͑3d͒ product of at least 25% and a concomitant increase in the Na͑3p͒ yield as the relative frequency of the two lasers is scanned.

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