Guided‐wave microlens array applications to compact 1 × 8 planar waveguide splitters

Chang, Chun-Wen; Hsieh, Wen–Feng

doi:10.1002/mop.20365

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…Microlens arrays (MLA) are important components for beam dispersion and in the conversion for an application of an optical interconnection and of signal processing in compact and complicated optical data storage, sensing, and imaging systems [1][2][3]. In particular, the control of focusing characteristics including focal length in MLA has received much attention, as it is a crucial factor for exact and efficient beam alignment [4,5].…”

Section: Introductionmentioning

confidence: 99%

Direct photofabrication of focal-length-controlled microlens array using photoinduced migration mechanisms of photosensitive sol-gel hybrid materials

2006

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Photosensitive sol-gel hybrid (SGH) materials exhibited the peculiar photoinduced migration behavior of unreacted molecules from unexposed areas to exposed areas by selective UV exposure. Using the photoinduced migration mechanism of the photosensitive SGH materials, the microlens array (MLA) with a smooth surface was directly photofabricated, and the focal length was controlled by changing the photoinduced migration parameters. The higher photoactive monomer content and the thicker film creating a higher curvature produced a smaller focal length of the MLA. Thus, a simple fabrication and easy control of the focal length can be applicable to a fabrication of an efficient MLA.

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Section: Introductionmentioning

confidence: 99%

Direct photofabrication of focal-length-controlled microlens array using photoinduced migration mechanisms of photosensitive sol-gel hybrid materials

2006

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Self-organization of planar microlenses by periodic precipitation

Campbell¹,

Baker²,

Fiałkowski³

et al. 2005

Journal of Applied Physics

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Arrays of planar, Fresnel-like microlenses are prepared by a spontaneous chemical process of periodic precipitation (PP) occurring in a thin layer of a dry gel, and initiated by wet stamping. The PP lenses focus white light more efficiently than the conventional Fresnel zone plates of similar dimensions. Nanoscale topographies of the micropatterned gels can be replicated into transparent elastomers, and used for focusing based on optical path differences. Experimental observations for both types of structures are in agreement with the Fresnel diffraction calculations.

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Guided‐wave microlens array applications to compact 1 × 8 planar waveguide splitters

Cited by 2 publications

References 15 publications

Direct photofabrication of focal-length-controlled microlens array using photoinduced migration mechanisms of photosensitive sol-gel hybrid materials

Direct photofabrication of focal-length-controlled microlens array using photoinduced migration mechanisms of photosensitive sol-gel hybrid materials

Self-organization of planar microlenses by periodic precipitation

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