Multichannel fiber optic rotary joint (FORJ) having an achromatic metasurface
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Dec 9, 2016
filing date -
Dec 17, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A Multichannel Fiber Optic Rotary Joint (FORJ) has a Dove prism as a derotating optical element, wherein the Dove prism has a multiwavelength achromatic metasurface coating on the input and output face. Such a Multichannel FORJ has the advantage that its transmission properties include consistently low attenuation over a rotation angle and a high-return loss over a broad wavelength range, e.g. the whole frequency band used for telecommunications. A method for fabricating the same.
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International Classification(s)
- 2016 Application Filing Year
- G02B Class
- 10130 Applications Filed
- 7990 Patents Issued To-Date
- 78.88 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 8 Age
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