NDLI: Polymer microlenses with modified micromolding in capillaries (MIMIC) technology

Content Provider	IEEE Xplore Digital Library
Author	Llobera, A. Wilke, R. Johnson, D.W. Buttgenbach, S.
Copyright Year	1989
Abstract	A modification of the micromolding in capillaries (MIMIC) technology that allows the definition of three-dimensional (3-D) polymer microlenses is presented in this letter. In order to obtain high-quality meniscuses molds from which microlenses can be formed, microchannels defined by surfaces with identical contact angles are required. We have achieved this by using a modified SU-8 (XP SU-8 NO-2). This photoresist retains the structurability of the SU-8 (being then possible to define self-alignment structures for adequate fiber optics positioning) while having a lower refractive index than standard SU-8 (achieving light confinement by total internal reflection). Experimental measurements of the fabricated ellipsoidal microlenses have shown the two Sturm focals and the circle of least confusion. These results validate the presented modification of the MIMIC technology, with which polymer waveguides ending with 3-D microlenses and integrated self alignment structures for adequate fiber optics positioning have been defined.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	2628
Ending Page	2630
Page Count	3
File Size	425473
File Format	PDF
ISSN	10411135
Volume Number	17
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Polymers Lenses Microoptics Optical fibers Optical waveguides Microchannel Optical surface waves Resists Refractive index Optical reflection soft lithography Integrated optics modified micromolding in capillaries (MIMICs) optical polymers
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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