1.3-kW fiber laser can be further scaled

Brinkman, Uwe
August 2004
Laser Focus World;Aug2004, Vol. 40 Issue 8, p36
Reports on German researchers' development of a fiber laser with optical output of 1.3 kW. Overall slope efficiency; Development of a novel multiclad fiber design; Stability of the laser output; Potential applications.


Related Articles

  • Active photonic lattices aim for the high powers. Botez, Dan // Laser Focus World;Apr2004, Vol. 40 Issue 4, p82 

    Studies the applications for active-photonic-lattice distributed-feedback lasers which emit a diffraction-limited surface-normal beam. Combination of the lasers coherently into arrays that could potentially emit 50 W of continuous-wave infrared light; Active photonic lattices;...

  • Single contact tailored gain phased array of semiconductor lasers. Lindsey, C. P.; Kapon, E.; Katz, J.; Margalit, S.; Yariv, A. // Applied Physics Letters;1984, Vol. 45 Issue 7, p722 

    We demonstrate a single contact tailored gain-guided array in which the gain profile across the array is made strongly asymmetric by varying the width of the contact stripes. A proton isolated array of six (GaAl)As lasers with 5-μm separations and widths varying linearly between 3 and 8 μm...

  • Metrology: Broad as a lamp, bright as a laser. Imam, Husain // Nature Photonics;Jan2008, Vol. 2 Issue 1, p26 

    The article reports that fibre-laser technology has enabled the creation of compact light sources with unique ultraband or ultranarrow spectral characteristics. It describes several advantages of fibre-laser systems that make them ideal as replacement for conventional lasers in various...

  • Theoretical Investigation on the Saturation Effects in Two-photon Pumping Random Lasers. Kejia Wang; Jinsong Liu; Jiantao Lu; Desheng Xu // Optical & Quantum Electronics;Sep2005, Vol. 37 Issue 11, p1001 

    A numerical analysis of the saturation effects of emitted light intensity in two-photon pumping random lasers is presented by adding the saturation item to modify the gain in the diffusive equation. Numerical results show that the emitted intensity reaches its saturation value in a short time...

  • Rotary-disk laser can reach high powers.  // Laser Focus World;Mar2005, Vol. 41 Issue 3, p7 

    This article focuses on the functions of rotary-disk laser. The first commercial rotary-disk laser was introduced by Sparkle Optics (Rolling Hills Estates, California) at Photonics West 2005 (San Jose, California), in paper 5707-32 of the "Solid State Lasers XIV: Technology and Devices,"...

  • Optimized surface-emitting photonic-crystal terahertz quantum cascade lasers with reduced resonator dimensions. Sevin, Gregoire; Fowler, Daivid; Xu, Gangyi; Julien, Francois H.; Colombelli, Raffaele; Khanna, Suraj P.; Linfield, Edmund H.; Davies, A. Giles // Applied Physics Letters;9/27/2010, Vol. 97 Issue 13, p131101 

    Terahertz frequency photonic-crystal quantum cascade lasers allow directional and controllable surface emission while at the same time functioning efficiently well above liquid nitrogen temperature. Through an in-depth understanding of the mechanism underlying surface emission, we demonstrate...

  • Room temperature, continuous-wave coupled-cavity InAsP/InP photonic crystal laser with enhanced far-field emission directionality. Jingqing Huang; Se-Heon Kim; Gardner, Jonathan; Regreny, Philippe; Seassal, Christian; Aitor Postigo, Pablo; Scherer, Axel // Applied Physics Letters;8/29/2011, Vol. 99 Issue 9, p091110 

    We demonstrate room temperature, continuous-wave lasing with enhanced far field emission directionality in coupled-cavity photonic crystal lasers, made with InAsP/InP quantum well material. These surface-emitting lasers can have a very low effective threshold power of 14.6 μW, with a...

  • Simultaneous Modeling of Waveforms Associated With Backscattered He-Ne Laser Light from a Fluid Filled Capillary Tube by Use of Geometrical Optics and Wave Theories. Tarigan, Hendra J. // AIP Conference Proceedings;9/15/2008, Vol. 1048 Issue 1, p541 

    Backscattered He-Ne laser light from a side illuminated fluid-filled fused silica capillary tube generates a series of fringes when viewed in an imaging plane. The light intensity variation as a function of scattering angle constitutes a waveform, which contains hills and valleys. Geometrical...

  • Numerical solution and experiment of a self-Q-switched 946 nm Cr,Nd:YAG laser. Li, Q.; Feng, B.; Zhang, D.; Du, S.; Shi, Y.; Zhang, Z.; Zhang, S. // Applied Physics B: Lasers & Optics;Nov2008, Vol. 93 Issue 2/3, p421 

    A LD-pumped self-Q-switched 946 nm laser by using a co-doped Cr,Nd:YAG crystal as a gain medium as well as a saturable absorber is studied. The 946 nm self-Q-switched rate equations of co-doped crystal are solved numerically by Runge–Kutta method directly. The important parameters of...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics