SE358775B - - Google Patents

Info

Publication number
SE358775B
SE358775B SE935569A SE935569A SE358775B SE 358775 B SE358775 B SE 358775B SE 935569 A SE935569 A SE 935569A SE 935569 A SE935569 A SE 935569A SE 358775 B SE358775 B SE 358775B
Authority
SE
Sweden
Application number
SE935569A
Inventor
T Uchida
S Yoshikawa
K Koizumi
Original Assignee
Nippon Selfoc Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Selfoc Co Ltd filed Critical Nippon Selfoc Co Ltd
Publication of SE358775B publication Critical patent/SE358775B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716—Fibre compositions or doping with active elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/17—Solid materials amorphous, e.g. glass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Lasers (AREA)
SE935569A 1968-07-06 1969-07-01 SE358775B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4730568 1968-07-06
JP8425368 1968-11-18

Publications (1)

Publication Number Publication Date
SE358775B true SE358775B (en) 1973-08-06

Family

ID=26387473

Family Applications (1)

Application Number Title Priority Date Filing Date
SE935569A SE358775B (en) 1968-07-06 1969-07-01

Country Status (4)

Country Link
FR (1) FR2012446A1 (en)
GB (1) GB1269101A (en)
NL (1) NL6910362A (en)
SE (1) SE358775B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8512980D0 (en) * 1985-05-22 1985-06-26 Pa Consulting Services Fibre optic transmissions systems
US4955685A (en) * 1989-02-21 1990-09-11 Sun Microsystems, Inc. Active fiber for optical signal transmission
GB2269933B (en) * 1989-02-21 1994-05-04 Sun Microsystems Inc Active fiber for optical signal transmission
GB2272103B (en) * 1989-02-21 1994-12-07 Sun Microsystems Inc Active fiber for optical signal transmission

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421097A (en) * 1963-03-25 1969-01-07 American Optical Corp Laser amplifier having angularly disposed reflection reducing end surface

Also Published As

Publication number Publication date
GB1269101A (en) 1972-04-06
FR2012446A1 (en) 1970-03-20
DE1934141B2 (en) 1973-02-01
DE1934141A1 (en) 1970-07-02
NL6910362A (en) 1970-01-08

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