Optical fiber for preserving plane of polarization

Optical fiber for preserving plane of polarization

An optical fiber (10) for preserving plane of polarization including a core (11); and a clad (12) disposed so as to surround the core, wherein the mode field diameter non-circularity ratio of the optical fiber which is calculated according to the equation: MFD non-circularity ratio (%)=Ma - Mb DIVID...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIMENO, KUNIHARU, NISHIMURA, FUMIHIKO, SHAMOTO, NAOKI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:An optical fiber (10) for preserving plane of polarization including a core (11); and a clad (12) disposed so as to surround the core, wherein the mode field diameter non-circularity ratio of the optical fiber which is calculated according to the equation: MFD non-circularity ratio (%)=Ma - Mb DIVIDED Ma + Mb DIVIDED 2 x 100 (where MFD indicates a mode field diameter, and Ma is the maximum value and Mb is the minimum value of the mode field diameter, respectively, in a wavelength region of light used), is about 3.2% or less. The connection loss of the optical fiber may be decreased to about 0.13 dB or less.