Laser

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H01S 3/16 (2006.01) H01S 3/067 (2006.01) H01S 3/17 (2006.01) H01S 3/094 (2006.01)

Patent

CA 1312939

ABSTRACT LASER A 2.7µm laser comprises a single mode fluoro-zirconate optical fibre doped with 0.086 mole % Er3+. C-W operation of the usually self-terminating lasing transition 4I11/2 to 4I13/2 is achieved by applying excitation energy of a suitable wavelength and intensify to elevate ions from the lower lasing level to maintain a population inversion between the upper and lower lasing levels during lasing. The laser may be pumped at a single wavelength of about 785nm by a semiconductor laser.

600098

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