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Canadian application, no grantCanada

Chiral fiber laser apparatus and method

CA 2467694 A1 · Owner: Genack, Azriel Zelig · Inventors: Genack, Azriel Zelig; Kopp, Victor Il'Ich

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A chiral fiber laser (10) implemented in a fiber Bragg grating mimicking the advantageous optical properties of a cholesteric liquid crystal structure is provided. The dopant, the pitch, the core cross section and dimensions thereof, of the inventive chiral fiber laser (10) as well as the core (14) and cladding (16) materials used in construction thereof may be advantageously , selected and configured to enable the inventive chiral fiber laser (10) to produce lasing at a desirable wavelength. In another embodiment of the inventive chiral fiber laser, a tunable defect is introduced to provide tunable lasing corresponding to the wavelength at the defect mode. Multiple embodiments …

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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

  • Filed November 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 19, 2002
GrantedNo grant recorded
Term endedNovember 19, 2022
Patent numberCA 2467694 A1
Classification (IPC)H01S3/16 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedNov 19, 2002Term endedNov 19, 2022

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.