Mr. Leonard K. Hoffmann Profile

Leonard K. Hoffmann

at Technische Univ Wien

SPIE Involvement:

Author

Publications (3)

Proceedings Article | 3 February 2009 Paper

Coherence and beam shaping in quantum cascade lasers

E. Mujagić, L. Hoffmann, S. Schartner, M. Nobile, H. Detz, D. Andrijasevic, M. Austerer, W. Schrenk, A. Andrews, P. Klang, M. Semtisiv, W. Masselink, G. Strasser

Proceedings Volume 7230, 723015 (2009) https://doi.org/10.1117/12.808466

KEYWORDS: Quantum cascade lasers, Waveguides, Resonators, Beam shaping, Mode locking, Mid-IR, Reactive ion etching, Sensors, Semiconductor lasers, Etching

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Proceedings Article | 29 January 2008 Paper

Coherent coupling of mid-infrared quantum cascade lasers

L. Hoffmann, C. Hurni, S. Schartner, M. Austerer, E. Mujagić, M. Nobile, W. Schrenk, A. Andrews, P. Klang, M. Semtsiv, W. Masselink, G. Strasser

Proceedings Volume 6909, 690916 (2008) https://doi.org/10.1117/12.773352

KEYWORDS: Quantum cascade lasers, Waveguides, Resonators, Mid-IR, Near field, Sensors, Cameras, Laser resonators, Mode locking, Solids

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Proceedings Article | 6 March 2006 Paper

Design and characterization of a highly directional photoacoustic sensor probe

C. Haisch, L. Hoffmann, R. Niessner

Proceedings Volume 6086, 60860E (2006) https://doi.org/10.1117/12.645974

KEYWORDS: Sensors, Photoacoustic spectroscopy, Light scattering, Optical fibers, Absorption, Tissue optics, Pulsed laser operation, Solids, Spatial resolution, Laser energy

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