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10 June 2002 Planar integrated optical disk pickup
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Proceedings Volume 4647, Functional Integration of Opto-Electro-Mechanical Devices and Systems II; (2002) https://doi.org/10.1117/12.469822
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States
Abstract
Though DVD becomes more and more popular, there are still millions of CD-R disk in using. The ability of reading both DVD and CD-R disk is necessary in compatible disk drive. Traditional optical pickup consists of different bulk components, which result in high cost, high difficulty in assembly and low reliability. Integration is a way to overcome these troubles. Based on planar optics, an integrated digital versatile disk (DVD)/compact disk recordable (CD-R) compatible optical pickup has been developed. In this device, the beams of two wavelengths follow different zigzag optical paths inside a few-mm thick glass substrate, which is used as a light guide. It is demonstrated that a beam combiner, a polarized beam splitter, a Fresnel prism, and a beam separator were integrated around a glass substrate, and such a planar optical pickup exhibited an excellent performance with high efficiency. It confirms that planar optics is an effective way to realize compatibility of DVD/CD-R.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Deer Yi, Yingbai Yan, Si Lu, Guofan Jin, and Haitao Liu "Planar integrated optical disk pickup", Proc. SPIE 4647, Functional Integration of Opto-Electro-Mechanical Devices and Systems II, (10 June 2002); https://doi.org/10.1117/12.469822
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