Bernd Köhler

发表

Polarization control in optical fibers and applications in optical microscopy and spectroscopy

Christoph Zeh, Rico Illing, Bernd Köhler, 2013, Smart Structures.

Impact of external optical feedback on high-power diode laser lifetime and failure modes

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2019, LASE.

Multi-kW high-brightness fiber coupled diode laser based on two dimensional stacked tailored diode bars

Andreas Unger, Heiko Kissel, Bernd Köhler, 2016, SPIE LASE.

High-power visible spectrum diode lasers for display and medical applications: beam sources with tailored beam quality and spectral characteristics

Andreas Unger, Bernd Köhler, Jens Biesenbach, 2014, Photonics West - Lasers and Applications in Science and Engineering.

Tailored bars at 976 nm for high-brightness fiber-coupled modules

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2017, LASE.

Optical components for tailoring beam properties of multi-kW diode lasers

Tobias Könning, Bernd Köhler, Jens Biesenbach, 2017, LASE.

Advances in power-delivery and loss-handling capabilities of small connectors for fibre optic launching of high-power diode lasers

Bernd Köhler, Jens Biesenbach, Stuart Campbell, 2013, Photonics West - Lasers and Applications in Science and Engineering.

Multi-kW cw fiber oscillator pumped by wavelength stabilized fiber coupled diode lasers

Bernd Köhler, Jens Biesenbach, Paul Wolf, 2013, Photonics West - Lasers and Applications in Science and Engineering.

Wavelength stabilized multi-kW diode laser systems

Andreas Unger, Bernd Köhler, Jens Biesenbach, 2015, Photonics West - Lasers and Applications in Science and Engineering.

Low-loss smile-insensitive external frequency-stabilization of high power diode lasers enabled by vertical designs with extremely low divergence angle and high efficiency

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2013, Photonics West - Lasers and Applications in Science and Engineering.

Tailored bar concepts for 10mm-mrad fiber coupled modules scalable to kW-class direct diode lasers

Andreas Unger, Michael Stoiber, Heiko Kissel, 2015, Photonics West - Lasers and Applications in Science and Engineering.

High power fiber coupled diode lasers for display and lighting applications

Andreas Unger, Bernd Köhler, Jens Biesenbach, 2017, LASE.

High-power, high-brightness and low-weight fiber coupled diode laser device

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2011, LASE.

Diode laser modules based on new developments in tapered and broad area diode laser bars

Michael Stoiber, Heiko Kissel, Bernd Köhler, 2008, SPIE LASE.

High-power diode laser pumps for alkali lasers (DPALs)

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2012, Photonics West - Lasers and Applications in Science and Engineering.

New approach for high-power diode laser modules with homogenized intensity distribution

Bernd Köhler, Jens Biesenbach, Karsten Rotter, 2011, LASE.

Scalable high-power and high-brightness fiber coupled diode laser devices

Andreas Unger, Michael Stoiber, Heiko Kissel, 2012, Photonics West - Lasers and Applications in Science and Engineering.

Novel high-brightness fiber coupled diode laser device

Bernd Köhler, Jens Biesenbach, Matthias Haag, 2007, SPIE LASE.

Characterization of nano-thin films and membranes by use of atomic force acoustic microscopy methods

Bernd Köhler, Norbert Meyendorf, Klaus-Jürgen Wolter, 2009, Microtechnologies.

High-power fiber-coupled 100W visible spectrum diode lasers for display applications

Andreas Unger, Bernd Köhler, Jens Biesenbach, 2013, Photonics West - Lasers and Applications in Science and Engineering.

11-kW direct diode laser system with homogenized 55 × 20 mm2 Top-Hat intensity distribution

Bernd Köhler, Jens Biesenbach, Axel Noeske, 2007, SPIE LASE.

Wavelength stabilized high-power diode laser modules

Bernd Köhler, Jens Biesenbach, Matthias Haag, 2009, LASE.

Beam shaping concepts for kW-class CW and QCW diode lasers

Andreas Unger, Bernd Köhler, Jens Biesenbach, 2016, SPIE LASE.

High-power diode laser modules from 410 nm to 2200 nm

Heiko Kissel, Bernd Köhler, Jens Biesenbach, 2010, LASE.

Feedback-induced catastrophic optical mirror damage (COMD) on 976nm broad area single emitters with different AR reflectivity

Andreas Unger, Heiko Kissel, Bernd Köhler, 2014, Photonics West - Lasers and Applications in Science and Engineering.

Enhanced fiber coupled laser power and brightness for defense applications through tailored diode and thermal design

Andreas Unger, Michael Stoiber, Heiko Kissel, 2012, Other Conferences.

Multi-kW high-brightness fiber coupled diode laser

Andreas Unger, Heiko Kissel, Bernd Köhler, 2013, Photonics West - Lasers and Applications in Science and Engineering.