A novel collinear optical system with annulus mirrors for holographic disc driver

Ye Wang

doi:10.1117/12.811070

28 January 2009 A novel collinear optical system with annulus mirrors for holographic disc driver

Ye Wang

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 71562S (2009) https://doi.org/10.1117/12.811070
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

This paper focus on a novel collinear lens system with annulus mirrors for holographic disc driver, both information beam and reference beam are use same laser beam. The expanded and parallel laser beam, center part of it as the information beam then through Fourier transform lens, the beam around center part as a reference beam. On this axis, the ring reference beam reflected by two annulus shaped mirrors, then became a convergent beam, together with the information beam which through the first Fourier transform lens then produce holographic pattern to be write into the holographic disc behind of them, this lens system with two mirrors made the angle between information beam and reference beam more wide, can improved the multiplex level of holographic storage. Pair of Fourier transform lens with advance performance is designed in this paper.

Citation Download Citation

Ye Wang "A novel collinear optical system with annulus mirrors for holographic disc driver", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71562S (28 January 2009); https://doi.org/10.1117/12.811070

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