Please use this identifier to cite or link to this item: https://doi.org/10.1109/LPT.2008.2002728
Title: Simple method for fabricating solid microlenses with different focal lengths
Authors: Hongbin, Y. 
Guangya, Z. 
Siong, C.F. 
Feiwen, L.
Keywords: Injection process
Liquid-filled lens
Microlens
Polydimethylsiloxane (PDMS)
Issue Date: 2008
Source: Hongbin, Y., Guangya, Z., Siong, C.F., Feiwen, L. (2008). Simple method for fabricating solid microlenses with different focal lengths. IEEE Photonics Technology Letters 20 (19) : 1624-1626. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2008.2002728
Abstract: A versatile method of fabricating different microlenses using a relatively simple process is presented. A liquid-filled lens structure integrated with microfluidic network and liquid Polydimethylsiloxane (PDMS) are used as the frame and filling material, respectively, for the injection process. Through simply changing the injection pressure to obtain different membrane deformation profiles followed by curing, the PDMS stuffing together with the frame will finally form a solid microlens with the corresponding desired focal length. In tests, the fabricated microlenses show good performance in the surface profile and the uniformity between pixels in the array. Focal lengths of microlenses covering a wide range from tens of millimeters to nearly 1.6 mm have also been successfully demonstrated. © 2008 IEEE.
Source Title: IEEE Photonics Technology Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/61290
ISSN: 10411135
DOI: 10.1109/LPT.2008.2002728
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