EUROPEAN PHYSICAL JOURNAL C, cilt.28, sa.3, ss.381-388, 2003 (SCI-Expanded)
We study scalar leptoquark producticn at TESLA and CLIC based egamma colliders. Both direct and resolved contributions to the cross section are examined. We find that the masses of scalar leptoquarks can be probed up to about 0.9 TeV at TESLA and 2.6 TeV at CLIC.