title: Stretched-pulse operation of a thulium-doped fiber laser.
abstract: We report on stretched-pulse operation of a thulium-doped fiber laser. The laser generated pulses at a center wavelength of 1974 nm with an energy of 4 nJ that could externally be compressed to a duration of 173 fs.
authors.affiliation: Laser Zentrum Hannover e.V., Hollerithallee 8, D-30419 Hannover, Germany. f.haxsen@lzh.de
authors.forename: Frithjof
authors.initials: F
authors.lastname: Haxsen
authors.forename: Axel
authors.initials: A
authors.lastname: Ruehl
authors.forename: Martin
authors.initials: M
authors.lastname: Engelbrecht
authors.forename: Dieter
authors.initials: D
authors.lastname: Wandt
authors.forename: Uwe
authors.initials: U
authors.lastname: Morgner
authors.forename: Dietmar
authors.initials: D
authors.lastname: Kracht
mesh_terms: D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D007834:Lasers; D008027:Light; D008962:Models, Theoretical; D055100:Optical Fibers; D012542:Scattering, Radiation; D013932:Thulium / Q000737:chemistry*
chemical_list: D013932:Thulium