Patent Yard Sign in
Expired Canadian patentCanada

Apparatus for producing tunable intense coherent radiation in the vicinity of 628 cm. su-1 xx

CA 1084151 A · Owner: International Busines Machines Corporation · Inventors: Hodgson, Rodney T.; Sorokin, Peter P.; Grischkowsky, Daniel R.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure Apparatus for producing tunable intense coherent radiation at approximately 628 cm.-1 with a line width less than 0.1 cm.-1. The apparatus includes an optical cavity containing a vapor cell and pumping means including at least one optical pumping source for directing energy at the cavity. In one embodiment the cavity encloses a material capable of stimulated emission in response to said pumping. The material has at least three atomic energy level with at least a first and second atomic energy level separated by a particular energy quantum approximately equal to 628 cm-1; a transition from said first to said second atomic energy level favored over all other …

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

  • Granted August 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 3, 1977
GrantedAugust 19, 1980
Term endedAugust 19, 1997
Patent numberCA 1084151 A
Classification (IPC)H01S3/10 +1 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedMay 3, 1977Patent grantedAug 19, 1980Term endedAug 19, 1997

Sources & verification

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