Fiber optic dye amplifier
CA 1210484 A · Owner: Board Of Trustees Of The Leland Stanford Junior University · Inventors: Kolner, Brian H.; Digonnet, Michel J.F.; Sorin, Wayne V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A fiber optic amplifier is disclosed comprising a, fiber optic, monomode waveguide having a core and cladding. A portion of the cladding over a predetermined region is removed and replaced by an active medium capable of absorbing light energy at a first wavelength and emitting light energy at a second wavelength. The active medium is a lasing dye that has an index of refraction adjusted to be slightly less than the index of refraction of the fiber core. The amount of cladding removed is adjusted such that a predetermined amount of penetration of the evanescent field from a pump light signal coupled into an end of the fiber penetrates the active medium. A probe signal to be …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 26, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.