A laser diode array with an in-phase output
CA 2475717 A1 · Owner: Ungar, Jeffrey E. · Inventors: Ungar, Jeffrey E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laser diode array (10) that includes a plurality of laser stripes each separated by an unpumped region. The array (10) includes at least one first laser stripe (12) and at least one second laser stripe (14). The first laser stripe (12) emits a first laser beam. The second laser stripe (14) emits a second laser beam. A phase shifter is connected to the stripes so that the phase of the second laser beam is shifted to be in phase with first laser beam. The resultant output beam of the array (10) is a high power high , quality, diffraction limited beam.
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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 January 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2025.
- 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.