Technical Directions In High Resolution Non-Impact Printers

Dunn, S. Thomas; Dunn, Patrice M.

doi:10.1117/12.940098

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1990

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“…The ratio of central intensity of the point image theoretical central intensity is the Strehl Ratio (SR). When the rms deviations from the perfect surface is expressed in terms of phase error ΔΦ the resulting Strehl Ratio becomes (see Dunn 1987):…”

Section: Spatial Resolutionmentioning

confidence: 99%

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New Observational Aspects

Engvold

1990

Symp. - Int. Astron. Union

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The requirements and conditions for high resolution imaging and polarimetry of the Sun are reviewed. Various methods and techniques are discussed for image stabilization and sharpening in solar observations. The new solar facilities in the Canary Islands in particular are frequently reaching diffraction limited resolution and yield new insight in the structure and dynamics of the solar atmosphere. Future ground based telescopes like THEMIS and LEST, as well as planned solar missions in space will trigger a next advance in solar physics.

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Section: Spatial Resolutionmentioning

confidence: 99%

“…A concept of an AO system is shown in Figure 2. A number of recent papers have reviewed the techniques of adaptive optics (Title 1985;Beckers 1987Beckers , 1989aDunn 1987;Hardy 1987;Merkle 1987).…”

Section: Adaptive Opticsmentioning

confidence: 99%

New Observational Aspects

Engvold

1990

Symp. - Int. Astron. Union

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Technical Directions In High Resolution Non-Impact Printers

Cited by 1 publication

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New Observational Aspects

New Observational Aspects

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