CW lasing in Yb{sup 3+} : GGG crystals pumped at 0.925 {mu}m

Journal Article · Mon Jul 31 04:00:00 EDT 2006 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2006V036N07ABEH013197· OSTI ID:21466545

Belovolov, A M; Belovolov, M I; Dianov, Evgenii M; Dudin, V V ^[1]

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1. Fiber Optics Research Center, Russian Academy of Sciences, Moscow (Russian Federation)

Single-mode cw lasing was obtained for the first time in Yb{sup 3+} : GGG crystals at room temperature at 1.030 and 1.037 {mu}m upon pumping Yb{sup 3+} ions by a 0.925-{mu}m neodymium-doped fibre laser. Lasing was observed at the transitions between the lower Stark sublevel of the {sup 2}F{sub 5/2} level and the upper Stark sublevels of the {sup 2}F{sub 7/2} ground state of Yb{sup 3+} ions. The study of lasing characteristic showed that lasing occurs according to the four-level scheme. The lasing threshold with respect to the absorbed power was 85 mW and the slope lasing efficiency was 20%. Upon 1.7-W pumping, the output power of 310 mW was achieved with the output resonator mirror with the transmission coefficient of 1%. The effective cross section of the lasing transition was 0.9x10{sup -20} cm{sup 2}. (special issue devoted to the 90th anniversary of a.m. prokhorov)

• OSTI ID: 21466545
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 7 Vol. 36; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHARGED PARTICLES
CROSS SECTIONS
CRYSTALS
DOPED MATERIALS
EFFICIENCY
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY LEVELS
EQUIPMENT
IONS
LASERS
MATERIALS
METALS
MIRRORS
NEODYMIUM
OPTICAL PUMPING
PUMPING
RARE EARTHS
RESONATORS
TEMPERATURE RANGE
TEMPERATURE RANGE 0273-0400 K
YTTERBIUM IONS