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CO2 laser manufacturing of miniaturised lenses for lab-on-a-chip systems

Mohammed, Mazher-Iqbal and Desmulliez, Marc Phillipe Yves 2014, CO2 laser manufacturing of miniaturised lenses for lab-on-a-chip systems, Micromachines, vol. 5, no. 3, pp. 457-471, doi: 10.3390/mi5030457.

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Title CO2 laser manufacturing of miniaturised lenses for lab-on-a-chip systems
Author(s) Mohammed, Mazher-Iqbal
Desmulliez, Marc Phillipe Yves
Journal name Micromachines
Volume number 5
Issue number 3
Start page 457
End page 471
Total pages 15
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2014-07-21
ISSN 2072-666X
Summary This article describes the manufacturing and characterisation of plano-convex miniaturised lenses using a CO2 laser engraving process in PMMA substrates. The technique allows for lenses to be fabricated rapidly and in a reproducible manner at depths of over 200 µm and for lens diameters of more than 3 mm. Experimental characterisation of the lens focal lengths shows good correlation with theory. The plano-convex lenses have been successfully embedded into capillary microfluidic systems alongside planar microlenses, allowing for a significant reduction of ancillary optics without a loss of detection sensitivity when performing fluorescence measurements. Such technology provides a significant step forward towards the portability of fluorescence- or luminescence-based systems for biological/chemical analysis.
Language eng
DOI 10.3390/mi5030457
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070718

Document type: Journal Article
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.