Moire fringe measurement in the data and pixel match of holographic disc storage

Ye Wang

doi:10.1117/12.811071

2 February 2009 Moire fringe measurement in the data and pixel match of holographic disc storage

Ye Wang

Proceedings Volume 7160, 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications; 716031 (2009) https://doi.org/10.1117/12.811071
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

In digital holographic disc storage, in order to achieve accurate data quickly read and write, and reduce the bit error rate, it is necessary to make pixel 1:1 match between spatial light modulator (SLM) and charge coupled device (CCD). However, how to make the Fourier lens precision assembly and achieve pixel match is a difficult problem. In this paper, based on the Moire fringe of precision measurement technology, a method was to put forward because some Moire fringe appearance can indicate the location error of machine parts and magnification of lens, on the point of angle and cycle analysis of Moire fringe, this problem can be solve. Experiment showed that use of this method the pixel 1:1 match between SLM and CCD achieved. The raw bit error rate of SLM reached 1.5x10^-4 and 2.5x10^-4 for mask.

Citation Download Citation

Ye Wang "Moire fringe measurement in the data and pixel match of holographic disc storage", Proc. SPIE 7160, 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, 716031 (2 February 2009); https://doi.org/10.1117/12.811071

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