Dimitris Karalekas

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We report on the design, modeling and fabrication by multi-photon polymerization of a complex medical fluidic device. The physical dimensions of the built micro-valve prototype are compared to those of its computer-designed model. Important fabrication issues such as achieving high dimensional resolution and ability to control distortion due to shrinkage(More)
In this paper, a combined experimental-numerical based work was undertaken to investigate the Bragg wavelength shift response of an embedded FBG sensor when subjected to different conditions of multi-axial loading (deformation). The following cases are examined: (a) when an isotropic host material with no constrains on planes normal to the embedded sensor's(More)
PURPOSE To investigate physiological and histologic alterations of the cat eye in response to cyclocryotherapy (CCT) and noncontact transscleral Nd:YAG laser cyclophotocoagulation (TSNYC). METHODS One eye of 29 cats was treated with 12 applications (1 minute, -80 degrees C) of CCT or 80 applications of noncontact TSNYC (7 to 9 J, retrofocus 3.6 mm).(More)
A novel computational intelligence methodology is proposed for identifying the properties of maximally sustainable materials for any given application; identification is based on the known properties of existing candidate materials. Once the correlation surface between material properties and environmental impact values of the candidate materials is created(More)
In Fused Deposition Modeling (FDM), which is a common thermoplastic Additive Manufacturing (AM) method, the polymer model material that is in the form of a flexible filament is heated above its glass transition temperature (Tg) to a semi-molten state in the head's liquefier. The heated material is extruded in a rastering configuration onto the building(More)
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