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Conferences > CLEO > 2009 > CThT > CThT4
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper CThT4
  • •https://doi.org/10.1364/CLEO.2009.CThT4

Beam Shaping in Quantum Cascade Ring Lasers

E. Mujagić, L. K. Hoffmann, S. Schartner, M. Nobile, H. Detz, W. Schrenk, M. P. Semtsiv, W. T. Masselink, and G. Strasser

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Abstract

Mid-infrared beam shaping is demonstrated by using grating coupled surface emitting quantum cascade ring lasers. The devices allow for far-field tuning, ranging from highly symmetric spot- to ring-shaped beam patterns, depending on the grating period.

© 2009 Optical Society of America

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