منابع مشابه
Verification of a System to Prevent Aircraft Illumination by Adaptive Optics Laser Beacons
Laser beams directed into the sky from astronomical observatories to generate guide beacons for adaptive optics image sharpening systems are a potential hazard to aircraft. Detection systems are needed to sense aircraft and interrupt the laser beam to prevent accidental illumination. We describe here a system designed for this task. A computer examines CCD images of the sky over a wide field of...
متن کاملAnalyzing the Illumination and Resolution in Seismic Survey Designing
Seismic modeling aids the geophysicists to have a better understanding of the subsurface image before the seismic acquisition, processing, and interpretation. In this regard, seismic survey modeling is employed to make a model close to the real structure and to obtain very realistic synthetic seismic data. The objective of this study is to analyze the resolution and illumination of the fault by...
متن کاملSLM SLM illumination Reference illumination Holographic
A prototype reflective spatial light modulator (SLM) system has been developed for writing megabit pages of data into a holographic medium at a rate of 12 pages per minute. The SLM is based upon a crystalline-silicon reflective active-matrix array with integrated data drivers, using liquid crystal (LC) electrooptics and a personal computer system with an interface to provide data. The LC has be...
متن کاملLaser Illumination in Live Cell Microscopy: Scattering and Structured Illumination
Two types of laser illumination in live cell microscopy with a focus on the sample or in the aperture plane of the microscope objective lens are distinguished. For the second case two examples are described, namely light scattering microscopy with angular resolution and Structured Illumination Microscopy (SIM) with two interfering laser beams. Appropriate applications include morphological stud...
متن کاملAdaptive illumination reduces photobleaching in structured illumination microscopy.
Photobleaching is a major factor limiting the observation time in fluorescence microscopy. We achieve photobleaching reduction in structured illumination microscopy (SIM) by locally adjusting the illumination intensities according to the sample. Adaptive SIM is enabled by a digital micro-mirror device (DMD), which provides a projection of the grayscale illumination patterns. We demonstrate a re...
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ژورنال
عنوان ژورنال: Journal of the Illuminating Engineering Institute of Japan
سال: 1980
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij1980.64.11_633