An optical light source
CA 2465522 A1 · Owner: Grudinin, Anatoly · Inventors: Selvas-Aguilar, Romeo; Turner, Paul; Sahu, Jayaunta Kumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical light source comprising a laser diode (1) a beam shaping optics , (2), and an amplifying fibre (3) wherein the amplifying fibre (3) comprises a waveguide (4) comprising a core (5) and a cladding (6) wherein the waveguide , (4) is doped with a rare earth dopant (7) and wherein the laser diode (1) can , produce optical pump power (8) which is coupled to the waveguide (4) by the beam shaping optics (2).
Read the whole patent
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 October 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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.
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.