نتایج جستجو برای: micromirror
تعداد نتایج: 564 فیلتر نتایج به سال:
An approach for wavelength characterization whereby dynamic Fresnel zone plate (FZP) patterns are written to a digital micromirror device (DMD) and used focus incoming light onto camera is proposed. The then assessed by scanning the focal length. Rectangular basis Zernike modes implemented match rectangular geometry of DMD, we believe first time. A procedure developed correct inherent aberratio...
Abstract This paper presents a novel design of 2D electromagnetic micromirror without crosstalk. The proposed uses flexible printed circuit board (FPCB) and four layers coils embedded in the polyimide layers. insulated coil allow for independent actuation mirror plate to rotate about two orthogonal axes. diamond shaped hyperbola-shaped magnetic field on under 45-degrees FPCB frame eliminate mec...
MOEMS technology combining MEMS and micro-optics is well suited for manipulating light. A number of different ways can be envisioned to scan, steer, or modulate light beams using tiny electromechanical structures. MEMS mirrors or microlens arrays can be used to change the light beam propagation direction for scanning or modulating the beam, and diffraction gratings, optical choppers, or microin...
Various types of micro/nano functional devices are being widely designed as optical switches, micro scanners, micromirrors and other core devices. The continuing miniaturization the makes size dependence electromechanical property significant in scale due to sharp increase surface interactions such capillary force from liquid bridge, van der Waals Casimir forces quantum fluctuations. can cause pu...
Optical diffraction tomography (ODT) is an interferometric microscopy technique capable of measuring 3-D refractive index (RI) distribution of transparent samples. Multiple 2-D holograms of a sample illuminated with various angles are measured, from which 3-D RI map of the sample is reconstructed via the diffraction theory. ODT has been proved as a powerful tool for the study of biological cell...
Visual inspection for a highly reflective surface is commonly faced with a serious limitation, which is that useful information on geometric construction and textural defects is covered by a parasitic image due to specular highlights. In order to solve the problem, we propose an effective method for removing the parasitic image. Specifically, a digital micromirror device (DMD) camera for progra...
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