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Dense wavelength multiplexing and 35 µm-fiber coupling of wavelength chirped high power diode laser bars

: Witte, U.; Rubel, D.; Traub, M.; Hamann, M.; Hengesbach, S.; Hoffmann, D.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers 2015 : Berlin, Germany, October 4-9, 2015
Washington, DC: OSA, 2015
ISBN: 978-1-943580-02-6
Paper AF1A.6
Conference "Advanced Solid State Lasers" (ASSL) <2015, Berlin>
Fraunhofer ILT ()

We present a flexible, modular and cross-talk free concept for dense wavelength beam combining of HPDL by use of ultra-steep dielectric filters. Five emitters of one mini bar are coupled into a 35 µm fiber. Experimental results of internally and externally stabilized HPDL are presented.