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The fabrication model of Fresnel diffractive lens with transverse-adding technique

A novel device and corresponding techniques are proposed, which are the transverse element of binary optics and transverse-adding technique. The transverse-adding technique of binary optics can be used to fabricate microelectronic elements and micro-mechanical elements very well. By using this technique, the micro-photoelectric-mechanical systems can be integrated on a single chip. The fabrication model and method of Fresnel diffractive lens with Transverse-adding technique are presented. It is demonstrated that the diffractive efficiency of Fresnel diffractive lens fabricated with this technique can reach 100% by theoretic analysis. In addition, the diffractive efficiency of this kind of Fresnel diffractive lens is independent of technique error.