Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Quadrant Photodiode"”.
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Three-Dimensional Microscopy by Laser Scanning and Multi-Wavelength Digital Holography
… detectors, such as PMT and position-sensitive quadrant photodiode can be used to acquire images. The system demonstrates a simple, low-cost method of achieving the resolution on the order of a micron. A further gain in terms of resolution and the depth of focus by using Bessel rather than …
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High-speed video microscopy in optical tweezers
… of a CCD high-speed video camera with a quadrant photodiode to track particle position. Particle tracking was possible at high enough accuracy and bandwidth to allow convenient trap calibration by thermal analysis. Chapter 5 reports an investigation of the resulting change in trap …
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ADPATIVE MODE MATCHING UPGRADE FOR ADVANCED LIGO
… perfectly shaped for detection by the existing quadrant photodiode wavefront sensors and can then be used to generate an error signal.</p> <p>The presented experiment shows that higher order modes of either Hermite-Gauss or Laguerre-Gauss symmetry can be converted to the Hermite-Gauss basis …
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Bioenergetics and dynamics of ciliary responses and systems biology of phototaxis in Chlamydomonas reinhardtii
… Ciliary movement is monitored using a quadrant photodiode detector (Chapter 2). Interpreted ciliary behavior parameters are the beating frequency (BF) and the stroke velocity (SV). Pulse stimuli were used to stimulate the mutant strain 806 (agg1), a negatively phototactic cell, whose …