Transition-metal, glass-ceramic gain media
CA 2387994 A1 · Owner: Corning Incorporated · Inventors: Borrelli, Nicholas F.; Mozdy, Eric J.; Beall, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gain medium for use in optical amplifiers or laser oscillators is disclosed. The gain medium includes a transition-metal doped glass-ceramic material having a crystal phase and a glass phase. The crystal phase is formed in situ in the glass phase, with the transition metal ions preferentially partitioning into the crystalline sites from the glass phase. The crystalline sites so formed have a size of less than 50 nm, and the transition metal ions within them are capable of lasing at a wavelength within the range of about 900 to 3000 nm. Also disclosed are amplifier and laser oscillator configurations where the glass-ceramic gain medium is applied in a variety of configurations. …
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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 October 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 12, 2022.
- 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.