Impact of diffractive optics on the design of optical pick up

Jean Claude Lehureau

doi:10.1117/12.248498

26 August 1996 Impact of diffractive optics on the design of optical pick up

Jean Claude Lehureau

Proceedings Volume 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems; (1996) https://doi.org/10.1117/12.248498
Event: Lasers, Optics, and Vision for Productivity in Manufacturing I, 1996, Besancon, France

Abstract

With over 100 million units per year, the optical pick up is probably the most widely produced electro optic assembly on these days. It is also the driving force of semiconductor laser production with development of higher power for high data rate recording and shorter wavelength for high density. The production of CD pick up is of course highly cost driven; over 20 years of optical storage history and ten years of CD, the reduction in size, power consumption and cost can be compared to the evolution of integrated circuit. Diffractive optics plays a significant role in this roadmap, although as will be seen not all functions can be expected to be played by diffractive optics. Refractive lens will remain the leading technology for all functions that involve strong bending of the rays. In the near future the production of CD and CD-ROM player is expected to reach a plateau at twice today's production but MO drives and soon DVD are taking off.

Citation Download Citation

Jean Claude Lehureau "Impact of diffractive optics on the design of optical pick up", Proc. SPIE 2783, Micro-Optical Technologies for Measurement, Sensors, and Microsystems, (26 August 1996); https://doi.org/10.1117/12.248498

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