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The hitherto unconstrained lepton flavor mixing, induced by the new chargedscalar \phi^\pm and \phi^{\pm\pm} predicted by many new physics models such ashiggs triplet models, may lead to the lepton flavor violating productions of\tau\bar \mu, \tau\bar e and \mu\bar e in photon-photon collision at theproposed international linear collider.  In this paper, we consider the contributions of the \phi^\pm and\phi^{\pm\pm} in the context of the higgs triplet models to the processes\gamma\gamma\to l_i\bar l_j (i, j= e, \mu, \tau, i\neq j) and find that theycan be good channels to probe these new physics models. The lepton flavorviolating processes \gamma\gamma\to l_i\bar l_j (i, j= e, \mu,\tau,i\neq j)occur at a high rate due to the large mixing angle and the large flavorchanging coupling, so, in view of the low standard model backgrounds, they mayreach the detectable level of the ILC for a large part of the parameter space.Since the rates predicted by the standard model are far below the detectablelevel, these processes may serve as a sensitive probe for such new physicsmodels.

The lepton flavor violating signal of the charged scalar \phi^\pm and \phi^{\pm\pm} in photon-photon collision at the ILC