High-power "Watt-level" CW operation of diode-pumped 27 �m fiber lasers using efficient cross-relaxation and energy transfer mechanisms | Zendy

Balaji Srinivasan | Zendy; Jason Tafoya | Zendy; Ravi Jain | Zendy

Open Access

High-power "Watt-level" CW operation of diode-pumped 27 �m fiber lasers using efficient cross-relaxation and energy transfer mechanisms

Author(s) -

Balaji Srinivasan,

Jason Tafoya,

Ravi Jain

Publication year - 1999

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.4.000490

Subject(s) - zblan , materials science , fiber laser , laser , diode , optoelectronics , optics , ion , chemistry , physics , wavelength , organic chemistry

We report the demonstration of high power (660 mW) CW operation of a diode-pumped mid-IR Er fiber laser. This was achieved by using efficient depopulation of the lower laser level via enhanced cross-relaxation between Er ions and energy transfer to Pr ions (at doping densities much higher than those used previously in Er:ZBLAN), along with optimal pumping of such lasers via custom-designed double-clad fluoride fibers.

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