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PhasorSumStrehl
S = PhasorSumStrehl(fld,[mask])
Computes Strehl ratio of input field with optional input mask using phasor-sum Strehl method. Strehl is defined as on-axis intensity in the far field for the input field, normalized to the on-axis intensity in the far field for a uniform input field with the same total power as the input field.
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Parameters |
Description |
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fld [matrix] |
Complex field value array (arbitrary units) |
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mask [matrix] |
(Optional) Aperture mask to be applied to complex field value array (defaults to entire grid) |
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Return Values |
Description |
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S [scalar] |
Strehl ratio of input field |
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Copyright (c) 2009. All rights reserved.
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Description