POLARIZATION MAINTAINING FIBER, FIBER OPTIC GYROSCOPE HAVING THE SAME AND METHOD FOR MANUFACTURING POLARIZATION MAINTAINING FIBER

PURPOSE: A polarization maintaining type optical fiber, an optical fiber gyroscope thereof, and a polarization maintaining type optical fiber manufacturing method thereof are provided to reduce the manufacturing degradation of an optical fiber and to improve the degree of freedom of a design value....

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Bibliographische Detailangaben
Hauptverfasser:	JO, MIN SIK, CHOI, WOO SEOK, KANG, HEE JEON, RYU, KI SUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS GYROSCOPIC INSTRUMENTS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS METALLURGY MINERAL OR SLAG WOOL NAVIGATION OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING
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Beschreibung
Zusammenfassung:	PURPOSE: A polarization maintaining type optical fiber, an optical fiber gyroscope thereof, and a polarization maintaining type optical fiber manufacturing method thereof are provided to reduce the manufacturing degradation of an optical fiber and to improve the degree of freedom of a design value. CONSTITUTION: A cladding unit(120) surrounds a core unit(110). A stress apply unit(130) is symmetrical to the core unit and is arranged in the cladding unit. The stress apply unit includes a first glass layer and a second glass layer. The first glass layer has a lower melting point than the cladding unit. The second glass layer has a higher melting point than the first glass layer and is radially laminated in the first glass layer.