Modulator for optical printing

摘要

A modulator for a high optical power printing includes a transparent crystal (47) and a patterned buffer layer (41) formed over one of the surfaces of the crystal. An electrode array (40) is formed so that each electrode of the electrode array is patterned directly on each portion of the patterned buffer layer. In a further feature of the invention, the crystal substrate can be formed so that opposing endfaces through which high optical power laser light passes are at an angle and are antireflection coated. A transparent and electrically insulating overcoat (50) is provided above the electrodes. <IMAGE>