Abstract
Abstract : The immediate purpose of this study is to develop laser technology for computer input output devices, and tore a laboratory type demonstration to indicate the ability to modulate electronically and deflect a light beam. This task is preparatory to further development of a complete laser display system. The deflection of laser beams using digital light deflectors and conical refraction, and the focusing of laser beams with a Fresnel zone lens were investigated. The results indicate that laser beams can be accurately deflected by means of a digital light deflector. Conical refraction shows promise for analog deflection of the beam and the Fresnel zone plate lens, when constructed with proper electrodes, is suitable for focus/defocus control. The conclusion indicates that digital electro-optic deflection of intense light beams is feasible and could lead to the realization of practical laser display and printing apparatus.
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