List of Contents Number 1 Repetitive transversely excited gas laser pulsers Dhruba J. Biswas, J. Padma Nilaya Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India Number 2 Parametric characterization of the spatial structure of non-uniformly polarized laser beams P.M. Mejias, R. Martinez-Herrero, G. Piquero, J.M. Movilla Departamento de Optica, Facultad de Ciencias Fisicas, Universidad Complutense de Madrid, 28040 Madrid, Spain Number 3 Optical phase conjugation: principles, techniques, and applications Guang S. He Institute for Lasers, Photonics and Biophotonics, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA Numbers 4—5 Scaling of dye lasers with improved laser dyes Theodore G. Pavlopoulos 1\V Volume Contents Recent developments in rare-earth doped materials for optoelectronics A.J. Kenyon Book reviews Number 6 Broadly tunable Cr**-doped solid-state lasers in the near infrared and visible Alphan Sennaroglu