Characterization of photodarkening processes in Yb doped fibers

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7195, Issue , 2009, Pages

  Jetschke, S ^a   Ropke U ^a   Unger, S ^a   Kirchhof, J ^a  

^a LEIBNIZ INSTITUTE OF PHOTONIC TECHNOLOGY   (Germany)

Author keywords

Fiber lasers; Kinetic model; Optical fibers; Photodarkening kinetics; Photodarkening loss; Yb doped fibers

Indexed keywords

EXPERIMENTAL CONDITIONS; FIBER CHARACTERIZATIONS; INITIAL STATE; KINETIC MODEL; KINETIC MODELS; MEASUREMENT METHODS; PHOTODARKENING; PHOTODARKENING KINETICS; PHOTODARKENING LOSS; PUMP POWER; STRETCHED EXPONENTIAL FUNCTIONS; TIME DEPENDENCE; WEIGHTED MEAN; YB DOPED FIBERS;

DOPING (ADDITIVES); FIBER LASERS; KINETIC THEORY; LASERS; OPTICAL FIBERS; OPTICAL MATERIALS; YTTERBIUM;

FIBERS;

EID: 65649092958     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.807544     Document Type: Conference Paper

References (16)

1. J. J. Koponen, M. J. Söderlund, H. J. Hoffmann, and S. K. T. Tammela, "Measuring photodarkening from singlemode ytterbium doped silica fibers," Opt. Express 14, 11539-11544 (2006).
2. I. Manek-Hönninger, J. Boullet, T. Cardinal, F. Guillen, M. Podgorski, R. Bello Doua, and F. Salin, "Photodarkening and photobleaching of an ytterbium-doped silica double-clad LMA fiber," Opt. Express 15, 1606-1611 (2007). (Pubitemid 46280213)
3. B. Morasse, S. Chatigny, E. Gagnon, C. Hovington, J.-P. Martin, and J.-P. De Sandro, "Low photodarkening single cladding ytterbium fibre amplifier," in Fiber Lasers IV: Technology, Systems, and Applications, D. J. Harter, A. Tünnermann, J. Broeng, and C. Headley, eds., Proc. SPIE 6453, 64530H-1-9 (2007). (Pubitemid 46743202)
4. T. Kitabayashi, M. Ikeda, M. Nakai, T. Sakai, K. Himeno, K. Ohashi, "Population Inversion Factor Dependence of Photodarkening of Yb-doped Fibers and its Suppression by Highly Aluminium Doping," in OFC/NFOE Conference on CD-ROM (Opt. Society of America, Washington, DC, 2006), OThC5 (2006).
5. J. Koponen, M. Söderlund, H. J. Hoffman, D. Kliner, and J. Koplow, "Photodarkening Measurements in Large-Mode-Area Fibers," in Proc. SPIE 6453, 64531E-1-11 (2007). (Pubitemid 46743226)
6. A. V. Shubin, M. V. Yashkov, M. A. Melkumov, S. A. Smirnow, I. A. Bufetov, and E. M. Dianov, "Photodarkening of aluminosilicate and phosphosilicate Yb-doped fibers," in Conf. Digest of CLEO Europe-EQEC 2007, CJ3-1-THU (2007).
7. S. Jetschke, S. Unger, U. Röpke, J. Kirchhof, "Photodarkening in Yb doped fibers: experimental evidence of equilibrium states depending on the pump power," Opt. Express 15, 14838-14843 (2007). (Pubitemid 350072023)
8. J. Koponen, M. Laurila, M. Hotoleanu, "Inversion behavior in core- and cladding-pumped Yb-doped fiber photodarkening measurements," Appl. Optics 47, 4522-4528 (2008).
9. S. Jetschke, S. Unger, A. Schwuchow, M. Leich, J. Kirchhof, "Efficient Yb laser fibers with low photodarkening by optimization of the core composition," Opt. Express 16, 15540-15545 (2008).
10. J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, "Materials for high-power fiber lasers," J. Non-Cryst. Solids 352, 2399-2403 (2006). (Pubitemid 44172961)
11. S. Jetschke, U. Röpke, "Power-law dependence of the photodarkening rate constant on the inversion in Yb doped fibers," Opt. Lett. 34, 109-111 (2009).
12. J. Koponen, M. Söderlund, H. J. Hoffman, D. A. V. Kliner, J. P. Koplow, M. Hotoleanu, "Photodarkening rate in Yb-doped silica fibers," Appl. Optics 47, 1247-1256 (2008).
13. C. P. Lindsey and G. D. Patterson, "Detailed comparison of the Williams-Watts and Cole-Davidson functions," J. Chem. Phys. 73, 3348-3357 (1980).
14. S. Jetschke, S. Unger, A. Schwuchow, M. Leich, V. Reichel, J. Kirchhof, "Photodarkening in Yb-doped silica fibers: influence of the atmosphere during preform collapsing," in Proc. SPIE 6873, 6873-52 (2008).
15. M. Engholm, L. Norin, "Preventing photodarkening in ytterbium-doped high power fiber lasers; correlation to the UV-transparency of the core glass," Opt. Express 16, 1260-1268 (2008).
16. M. O. Vlad, J. Ross, and D. L. Huber, "Linear free energy relations and reversible stretched exponential kinetics in systems with static or dynamical disorder," J. Phys. Chem. B 103, 1563-1580 (1999) (Pubitemid 129680771)