Title:
OPTICAL GLASS, OPTICAL WAVEGUIDE AMPLIFIER AND OPTICAL WAVEGUIDE LASER
Document Type and Number:
WIPO Patent Application WO1998002388
Kind Code:
A3
Abstract:
Neodymium-doped fluoroaluminate optical glass has a composition: 35 to 45 mol % AlF3; 5 to 30 mol % RF2, where R is selected from the group consisting of Ca, Mg, Sr and Ba; 5 to 25 mol % MF, where M is selected from the group consisting of Na, Li, K and Rb; and 0.001 to 10 mol % dopant.
Inventors:
SAMSON BRYCE NEILSON (GB)
TAYLOR ELIZABETH REGALA (GB)
PAYNE DAVID NEIL (GB)
NAFTALY MIRA (GB)
JHA ANIMESH (GB)
TAYLOR ELIZABETH REGALA (GB)
PAYNE DAVID NEIL (GB)
NAFTALY MIRA (GB)
JHA ANIMESH (GB)
Application Number:
PCT/GB1997/001920
Publication Date:
February 19, 1998
Filing Date:
July 17, 1997
Export Citation:
Assignee:
UNIV SOUTHAMPTON (GB)
UNIV BRUNEL (GB)
SAMSON BRYCE NEILSON (GB)
TAYLOR ELIZABETH REGALA (GB)
PAYNE DAVID NEIL (GB)
NAFTALY MIRA (GB)
JHA ANIMESH (GB)
UNIV BRUNEL (GB)
SAMSON BRYCE NEILSON (GB)
TAYLOR ELIZABETH REGALA (GB)
PAYNE DAVID NEIL (GB)
NAFTALY MIRA (GB)
JHA ANIMESH (GB)
International Classes:
C03C3/32; C03C4/00; C03C13/04; H01S3/067; H01S3/16; H01S3/17; (IPC1-7): C03C3/00
Foreign References:
| US4142986A | 1979-03-06 | |||
| US4120814A | 1978-10-17 | |||
| US4358543A | 1982-11-09 | |||
| EP0535798A2 | 1993-04-07 | |||
| DD262017A1 | 1988-11-16 | |||
| FR2445820A1 | 1980-08-01 | |||
| EP0320665A2 | 1989-06-21 | |||
| EP0462613A2 | 1991-12-27 | |||
| EP0427320A2 | 1991-05-15 |
Other References:
IQBAL T ET AL: "AIF3-BASED GLASS FIBRES WITH ENHANCED OPTICAL TRANSMISSION", ELECTRONICS LETTERS, vol. 27, no. 2, 17 January 1991 (1991-01-17), pages 110 - 111, XP000210796
DATABASE WPI Section Ch Week 8020, Derwent World Patents Index; Class L01, AN 80-35546C, XP002044661
TESAR A ET AL: "OPTICAL PROPERTIES AND LASER PARAMETERS OF ND3+-DOPED FLUORIDE GLASSES", OPTICAL MATERIALS, vol. 1, no. 3, 1 September 1992 (1992-09-01), pages 217 - 234, XP000307206
SOVIET INVENTIONS ILLUSTRATED Section Ch Week 7917, Derwent World Patents Index; Class L01, AN 79-32953B, XP002044662
PATENT ABSTRACTS OF JAPAN vol. 015, no. 221 (C - 0838) 6 June 1991 (1991-06-06)
PATENT ABSTRACTS OF JAPAN vol. 016, no. 238 (C - 0946) 2 June 1992 (1992-06-02)
PATENT ABSTRACTS OF JAPAN vol. 016, no. 238 (C - 0946) 2 June 1992 (1992-06-02)
XUELU ZOU ET AL: "EXCITATION ENERGY TRANSFER OF ND3+-YB3+-ER3+ IN SEVERAL GLASSES", JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, INTERNATIONAL EDITION, vol. 101, no. 1, January 1993 (1993-01-01), pages 80 - 84, XP000378210
OBRO M: "HIGHLY IMPROVED FIBRE AMPLIFIER FOR OPERATION AROUND 1300 NM", ELECTRONICS LETTERS, vol. 27, no. 5, 28 February 1991 (1991-02-28), pages 470 - 472, XP000219755
SUGAWA T ET AL: "10DB GAIN AND HIGH SATURATION POWER IN A ND3+-DOPED FLUOROZIRCONATE FIBRE AMPLIFIER", ELECTRONICS LETTERS, vol. 26, no. 24, 22 November 1990 (1990-11-22), pages 2042 - 2044, XP000175634
DATABASE WPI Section Ch Week 9325, Derwent World Patents Index; Class L03, AN 93-201250, XP002049230
DATABASE WPI Section Ch Week 8020, Derwent World Patents Index; Class L01, AN 80-35546C, XP002044661
TESAR A ET AL: "OPTICAL PROPERTIES AND LASER PARAMETERS OF ND3+-DOPED FLUORIDE GLASSES", OPTICAL MATERIALS, vol. 1, no. 3, 1 September 1992 (1992-09-01), pages 217 - 234, XP000307206
SOVIET INVENTIONS ILLUSTRATED Section Ch Week 7917, Derwent World Patents Index; Class L01, AN 79-32953B, XP002044662
PATENT ABSTRACTS OF JAPAN vol. 015, no. 221 (C - 0838) 6 June 1991 (1991-06-06)
PATENT ABSTRACTS OF JAPAN vol. 016, no. 238 (C - 0946) 2 June 1992 (1992-06-02)
PATENT ABSTRACTS OF JAPAN vol. 016, no. 238 (C - 0946) 2 June 1992 (1992-06-02)
XUELU ZOU ET AL: "EXCITATION ENERGY TRANSFER OF ND3+-YB3+-ER3+ IN SEVERAL GLASSES", JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, INTERNATIONAL EDITION, vol. 101, no. 1, January 1993 (1993-01-01), pages 80 - 84, XP000378210
OBRO M: "HIGHLY IMPROVED FIBRE AMPLIFIER FOR OPERATION AROUND 1300 NM", ELECTRONICS LETTERS, vol. 27, no. 5, 28 February 1991 (1991-02-28), pages 470 - 472, XP000219755
SUGAWA T ET AL: "10DB GAIN AND HIGH SATURATION POWER IN A ND3+-DOPED FLUOROZIRCONATE FIBRE AMPLIFIER", ELECTRONICS LETTERS, vol. 26, no. 24, 22 November 1990 (1990-11-22), pages 2042 - 2044, XP000175634
DATABASE WPI Section Ch Week 9325, Derwent World Patents Index; Class L03, AN 93-201250, XP002049230
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