CUED Publications database

High quality assembly of phase-only liquid crystal on silicon ((LCOS) devices

Zhang, Z and Jeziorska-Chapman, AM and Collings, N and Pivnenko, M and Moore, J and Crossland, B and Chu, DP and Milne, B (2011) High quality assembly of phase-only liquid crystal on silicon ((LCOS) devices. IEEE/OSA Journal of Display Technology, 7. pp. 120-126. ISSN 1551-319X

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Liquid crystal on silicon (LCOS) for phase-only holography is ideally made to better optical tolerance than that for conventional amplitude modulating applications. Die-level assembly is suited to custom devices and pre-production prototypes because of its flexibility and efficiency in conserving the silicon backplane. Combined with automated assembly, it will allow high reproducibility and fast turnaround time, paving the way for pre-production testing and customer sampling before mass production. Pre-assembly optical testing is the key element in the process. By taking into account the flatness of both the backplane and the front glass plate, we have assembled high quality LCOS devices. We have reached our aim of less than one quarter wavelength phase distortion across the active area. © 2011 IEEE.

Item Type: Article
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:36
Last Modified: 25 Feb 2021 06:31
DOI: 10.1109/JDT.2010.2051318