منابع مشابه
Programmable vector point-spread function engineering.
We use two nematic liquid crystal spatial light modulators (SLM's) to control the vector point spread function (VPSF) of a 1.3 numerical aperture (NA) microscope objective. This is achieved by controlling the polarization and relative phase of the electric field in the objective's pupil. We measure the resulting VPSF's for several different pupil field polarization states. By using single fluor...
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The removal of blur from a signal, in the presence of noise, is readily accomplished if the blur can be described in precise mathematical terms. However, there is growing interest in problems where the extent of blur is known only approximately, for example in terms of a blur function which depends on unknown parameters that must be computed from data. More challenging still is the case where n...
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This report to outlines the work done by the Eta Carinae HST Treasury Project to determine the properties of the cross-dispersion point spread function for the HST Space Telescope Imaging Spectrograph (STIS) CCD. In this document we will refer to the cross-dispersion point spread function by the abbreviation: XSF. The goal of this work is to give a model for the STIS/CCD XSF which can be calcul...
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The effects of anisoplanatism on the adaptive optics point-spread function are investigated. A model is derived that combines observations of the guide star with an analytic formulation of anisoplanatism in order to generate predictions for the adaptive optics point-spread function at arbitrary locations within the field of view. The analytic formulation captures the dependencies of anisoplanat...
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ژورنال
عنوان ژورنال: JAPANESE ORTHOPTIC JOURNAL
سال: 2006
ISSN: 1883-9215,0387-5172
DOI: 10.4263/jorthoptic.35.33