Mr. Jens Geiger Profile

Jens Geiger

at ROFIN-LASAG AG

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 17 February 2010 Paper

Frequency doubling of fiber laser radiation of large spectral bandwidths

Sebastian Nyga, Jens Geiger, Bernd Jungbluth

Proceedings Volume 7578, 75780P (2010) https://doi.org/10.1117/12.842075

KEYWORDS: Crystals, Fiber lasers, Nonlinear crystals, Second-harmonic generation, Laser crystals, Infrared radiation, Diodes, Fiber amplifiers, Raman spectroscopy, Picosecond phenomena

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Proceedings Article | 24 February 2009 Paper

High-peak-power fiber coupled super-pulsed diode lasers

Martin Traub, Martin Giesberts, Jens Geiger, Carsten Johnigk, Hans-Dieter Hoffmann

Proceedings Volume 7198, 71980W (2009) https://doi.org/10.1117/12.813486

KEYWORDS: Semiconductor lasers, Mirrors, Continuous wave operation, Fiber couplers, Coating, Optical fibers, High power diode lasers, Materials processing, Fiber coupled lasers

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Proceedings Article | 19 February 2009 Paper

Novel design of a gain-switched diode-pumped fiber laser

Martin Giesberts, Jens Geiger, Martin Traub, Hans-Dieter Hoffmann

Proceedings Volume 7195, 71952P (2009) https://doi.org/10.1117/12.807721

KEYWORDS: Fiber lasers, Energy efficiency, Semiconductor lasers, Diodes, Numerical simulations, Reflectivity, Pulsed laser operation, Fiber couplers, Free space, Fiber Bragg gratings

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Proceedings Article | 19 February 2009 Paper

Experimental and theoretical studies on kW class polarized fiber lasers for cw operation

Oliver Fitzau, Jens Geiger, Hans-Dieter Hoffmann

Proceedings Volume 7195, 719509 (2009) https://doi.org/10.1117/12.812112

KEYWORDS: Polarization, Fiber lasers, Polarizers, Resonators, Polarimetry, Mirrors, Signal attenuation, Cladding, Continuous wave operation, Polarization maintaining fibers

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Proceedings Article | 17 March 2008 Paper

Optimization of the heat transfer in multi-kW-fiber-lasers

B. Zintzen, T. Langer, J. Geiger, D. Hoffmann, P. Loosen

Proceedings Volume 6873, 687319 (2008) https://doi.org/10.1117/12.764450

KEYWORDS: Resistance, Coating, Convection, Cladding, Absorption, Glasses, Fiber lasers, Bridges, Thermal modeling, Light scattering

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Proceedings Article | 25 February 2008 Paper

50 W passively cooled, fiber coupled diode laser at 976 nm for pumping fiber lasers using 100 um fiber bundles

C. Wessling, St. Hengesbach, J. Geiger, J. Dolkemeyer, M. Traub, D. Hoffmann

Proceedings Volume 6876, 687614 (2008) https://doi.org/10.1117/12.763739

KEYWORDS: Semiconductor lasers, Fiber lasers, Fiber couplers, Fiber coupled lasers, Collimation, Mirrors, Broad area laser diodes, Electro optical modeling, Polarization, Microlens array

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Proceedings Article | 28 February 2006 Paper

High performance widely tunable Ti:sapphire laser with nanosecond pulses

B. Jungbluth, J. Wueppen, J. Geiger, B. Bach-Zelewski, N. Pirch, D. Hoffmann, P. Loosen, R. Poprawe

Proceedings Volume 6100, 61000R (2006) https://doi.org/10.1117/12.645687

KEYWORDS: Sapphire lasers, Resonators, Optical filters, Crystals, Prisms, Tunable lasers, Laser crystals, Finite element methods, Laser resonators, Reflectivity

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Showing 5 of 7 publications

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