Thermal actuator with offset beam segment neutral axes and an optical waveguide switch including the same
作者： Peter M. Gulvin , Kristine A. German , Pinyen Lin , Joel A. Kubby , Jun Ma
DOI:
关键词: Neutral axis 、 Beam (structure) 、 Laser beam quality 、 Beam parameter product 、 Joule heating 、 Beam divergence 、 Radial polarization 、 Beam diameter 、 Materials science 、 Optics
摘要: A thermal actuator comprises a substantially straight beam. The beam has length and mid-point. plurality of segments with segment lengths. Each neutral axis, thus forming corresponding axes. axes are offset along the based on predetermined pattern. As is heated by an included heating means, buckles. buckling beam, in turn, causes mid-point to translate or move direction. movement, operates optical waveguide switch. means any Joule heating, eddy current conduction convection radiation heating.
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