Astigmatism is an inherent property of the output beam of diode lasers. In applications requiring collimation or transformation of the diode laser’s beam, this astigmatism must be considered, and often corrected, if the final wavefront is to approach the diffraction limit.
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Coma and astigmatism of NICMOS cameras have been derived using phase retrieval … Coma and astigmatism in NICMOS cameras are generally small, producing the
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The relation between the astigmatic difference and the lens excitation is … This phenomenon cannot be explained unless the astigmatism is affected by
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Astigmatism in an aberration that results when an optical system focuses two … exhibits no astigmatism. The lens is symmetric in the horizontal and
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Another PDF about astigmatism variations before and after surgical treat-. ment of the pterygium, … The corneal astigmatism was studied prospectively using videoker.
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The astigmatic spectacle lenses should be located in their frames in a …. The ametropia or astigmatism of eyes were evaluated on a eye refractometer
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