Polarization control element, manufacturing method of polarization control element, design method of polarization control element, and electronic equipment
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United States of America Patent
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Mar 4, 2008
Grant Date -
Jul 6, 2006
app pub date -
Nov 14, 2005
filing date -
Dec 22, 2004
priority date (Note) -
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Abstract
A manufacturing method of a polarization control element which is placed in a first medium and used and which is provided with a striped structure of a period shorter than a wavelength of light to be subject to control, the manufacturing method of a polarization control including:a first process which sets element conditions such as to meet a relationship Re[e1]>0, fRe[e1]+(1-f)Re[e2]<0, and Im[e2]>0, where a complex dielectric constant of the first medium is e1, a complex dielectric constant of a second medium constituting the striped structure is e2, a fill factor of the second medium is f(0
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