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Title: A tunable Shack-Hartmann wavefront sensor based on a liquid-filled microlens array
Authors: Hongbin, Y. 
Guangya, Z. 
Siong, C.F. 
Feiwen, L.
Shouhua, W.
Issue Date: 1-Oct-2008
Citation: Hongbin, Y., Guangya, Z., Siong, C.F., Feiwen, L., Shouhua, W. (2008-10-01). A tunable Shack-Hartmann wavefront sensor based on a liquid-filled microlens array. Journal of Micromechanics and Microengineering 18 (10) : -. ScholarBank@NUS Repository.
Abstract: A novel design concept for a Shack-Hartmann sensor is presented. A liquid-filled microlens array is used to replace the commonly used microlens array with fixed focal length in a conventional type. The focal length tunabilty associated with this design can provide the device with the advantage that its performance can be flexibly chosen between a large dynamic range and a high sensitivity preferred region. At the same time, it is also possible to possess both of these characteristics simultaneously with a particular procedure. This feature allows the device to be operated in different applications. The results of a prototype demonstrated in this paper qualitatively verify this feasibility, and the potential application perspective of this design is also presented. © 2008 IOP Publishing Ltd.
Source Title: Journal of Micromechanics and Microengineering
ISSN: 09601317
DOI: 10.1088/0960-1317/18/10/105017
Appears in Collections:Staff Publications

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