Efficient 0.9-{mu}m neodymium-doped single-mode fibre laser

An efficient cw single-mode double-clad Nd{sup 3+}-doped fibre laser is developed which operates at room temperature in a quasi-three level scheme on the 925-nm {sup 4}F{sub 3/2} - {sup 4}I{sub 9/2} transition upon diode pump at 805 nm. The gain in the laser resonator at 1.06 {mu}m is strongly suppr...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2003-12, Vol.33 (12)
Hauptverfasser:	Bufetov, Igor' A, Dudin, V V, Shubin, Aleksei V, Senatorov, A K, Dianov, Evgenii M, Grudinin, A B, Goncharov, S E, Zalevskii, I D, Gur'yanov, A N, Yashkov, M V, Umnikov, A A, Vechkanov, N N
Format:	Artikel
Sprache:	eng
Schlagworte:	AMPLIFICATION CHARGED PARTICLES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DOPED MATERIALS EFFICIENCY ELECTRONIC EQUIPMENT ENERGY LEVELS FIBERS GAIN INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY IONS LASERS MATERIALS NEODYMIUM IONS OPTICAL FIBERS OPTICAL PROPERTIES PHYSICAL PROPERTIES REFRACTIVE INDEX RESONATORS TEMPERATURE RANGE TEMPERATURE RANGE 0273-0400 K
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Zusammenfassung:	An efficient cw single-mode double-clad Nd{sup 3+}-doped fibre laser is developed which operates at room temperature in a quasi-three level scheme on the 925-nm {sup 4}F{sub 3/2} - {sup 4}I{sub 9/2} transition upon diode pump at 805 nm. The gain in the laser resonator at 1.06 {mu}m is strongly suppressed due to a proper choice of the refractive index profile in the fibre core. The laser output power above 0.5 W is obtained with the slope efficiency exceeding 35 %. (letters)
ISSN:	1063-7818
DOI:	10.1070/QE2003V033N12ABEH002549