Wavelength agile external cavity diode laser
CA 2417464 A1 · Owner: Pilgrim, Jeffrey S. · Inventors: Oh, Daniel B.; Pilgrim, Jeffrey S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The external cavity diode laser and method of generating light comprising: generating light from Fabry-Perot diode laser source (12); collimating light from the source (12) with an intracavity optical element (14); reflecting light via a feedback mirror (18); employing a diffraction grating (16) to receive light from the optical element (14) defract received light to the , mirror (18) in a non-zero order; receive reflected light from the mirror (18) and direct the reflected light back towards the optical element (14) and Fabry- Perot diode laser to complete an external cavity (12) the diffraction grating , (16) additionally directing a portion of the received light from the optical …
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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 July 25, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 25, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 25, 2023.
- 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
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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.