Hayes, J.Baggett, J.Monro, T.Richardson, D.Grunewald, P.Allott, R.2008-03-242008-03-2420062006 Optical Fiber Communication Conference/National Fiber Optic Engineers Conference: technical digest: March 5-10, 2006 / sponsored by IEEE/ComSoc, Communications Society, IEEE/LEOS, Lasers and Electro-Optics Society, Optical Society of America: 3 p.1557528039978-1-55752-803-2http://hdl.handle.net/2440/41252We report the fabrication of a highly multi-mode square core jacketed air-clad fiber with a top-hat near-field intensity profile. Using this fiber to deliver Q-switched pulses at 1 μm we have successfully produced square shaped ablation marks in indium tin oxide (ITO) without the use of complex beam shaping optics.enConference paper00200763582008031914582710.1109/OFC.2006.2157350002596026010082-s2.0-3384535381344965