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Abstract: We present several new families of (2D) wavelength/time optical orthogonal codes (2D-OOCs) with . All families presented are either optimal with respect to the Johnson bound (-optimal) or are asymptotically optimal. The codes presented have more flexible dimensions and weight than the -optimal families appearing in the literature. The constructions are based on certain pointsets in finite projective spaces of dimension over denoted . This finite geometries framework gives structure to the codes providing insight. We establish that all 2D-OOCs constructed are in fact maximal (in that no new codeword may be added to the original whereby code cardinality is increased). [Copyright &y& Elsevier]