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1.发明公开Tellurite glass, optical amplifier, and light source 失效Tellurit-Glas，optischerVerstärkerund Lichtquelle
公开(公告)号：EP0858976A2
公开(公告)日：1998-08-19
申请号：EP98301069.5
申请日：1998-02-13
发明人： Ohishi, Yasutake, c/o Nippon T. & T. Corporation , Mori, Atsushi, c/o Nippon T. & T. Corporation , Yamada, Makoto, c/o Nippon T. & T. Corporation , Ono, Hirotaka, c/o Nippon T. & T. Corporation , Kanamori, Terutoshi c/o Nippon T. & T. Corporation , Shimada, Toshiyuki, c/o Nippon T. & T. Corporation
CPC分类号： G02B6/3803 , C03C3/122 , C03C4/0071 , C03C13/048 , G02B6/255 , G02B6/3636 , G02B6/3652 , G02B6/3806 , G02B6/3818 , G02B6/382 , G02B6/3822 , G02B6/3838 , G02B6/3861 , H01S3/06708 , H01S3/06716 , H01S3/0675 , H01S3/06754 , H01S3/06787 , H01S3/1608 , H01S3/1618 , H01S3/177 , H01S3/2375 , H04B10/2971
摘要： A tellurite glass as a glass material of optical fiber and optical waveguide has a composition of 0 2 O 3 ≤ 20 (mole %), 0 ≤ Na 2 O ≤ 35 (mole %), 0 ≤ ZnO ≤ 35 (mole %), and 55 ≤ TeO 2 ≤ 90 (mole %). The tellurite glass allows an optical amplifier and a laser device that have broadband and low-noise characteristics. In a splicing structure of non silica-based optical fiber (as a first fiber) (301) and a silica-based optical fiber (as a second fiber) (302), optical axes (301a, 302a) of the first and second optical fibers (301, 302) are held at different angles θ 1 and θ 2 (θ 1 ≠ θ 2 ) respectively from a vertical axis of a boundary surface between their spliced ends, and a relationship between the angles θ 1 and θ 2 satisfies Snell's law represented by an equation of sin θ 1 / sin θ 2 = n 2 / n 1 (where n 1 is a refractive index of the first optical fiber and n 2 is a refractive index of the second optical fiber) at the time of splicing the first and second optical fibers (301, 302).
摘要翻译： 作为光纤和光波导的玻璃材料的白云石玻璃的组成为0
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公开(公告)号：EP0858976A3
公开(公告)日：1999-05-06
申请号：EP98301069.5
申请日：1998-02-13
发明人： Ohishi, Yasutake, c/o Nippon T. & T. Corporation , Mori, Atsushi, c/o Nippon T. & T. Corporation , Yamada, Makoto, c/o Nippon T. & T. Corporation , Ono, Hirotaka, c/o Nippon T. & T. Corporation , Kanamori, Terutoshi c/o Nippon T. & T. Corporation , Shimada, Toshiyuki, c/o Nippon T. & T. Corporation
CPC分类号： G02B6/3803 , C03C3/122 , C03C4/0071 , C03C13/048 , G02B6/255 , G02B6/3636 , G02B6/3652 , G02B6/3806 , G02B6/3818 , G02B6/382 , G02B6/3822 , G02B6/3838 , G02B6/3861 , H01S3/06708 , H01S3/06716 , H01S3/0675 , H01S3/06754 , H01S3/06787 , H01S3/1608 , H01S3/1618 , H01S3/177 , H01S3/2375 , H04B10/2971
摘要： A tellurite glass as a glass material of optical fiber and optical waveguide has a composition of 0 2 O 3 ≤ 20 (mole %), 0 ≤ Na 2 O ≤ 35 (mole %), 0 ≤ ZnO ≤ 35 (mole %), and 55 ≤ TeO 2 ≤ 90 (mole %). The tellurite glass allows an optical amplifier and a laser device that have broadband and low-noise characteristics. In a splicing structure of non silica-based optical fiber (as a first fiber) (301) and a silica-based optical fiber (as a second fiber) (302), optical axes (301a, 302a) of the first and second optical fibers (301, 302) are held at different angles θ 1 and θ 2 (θ 1 ≠ θ 2 ) respectively from a vertical axis of a boundary surface between their spliced ends, and a relationship between the angles θ 1 and θ 2 satisfies Snell's law represented by an equation of sin θ 1 / sin θ 2 = n 2 / n 1 (where n 1 is a refractive index of the first optical fiber and n 2 is a refractive index of the second optical fiber) at the time of splicing the first and second optical fibers (301, 302).
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