Dr. Robert Martinsen Profile

Dr. Robert Martinsen

Chief Technology Officer at nLIGHT Inc

SPIE Involvement:

Conference Program Committee | Author

Publications (46)

PROCEEDINGS ARTICLE | May 14, 2018

High-temperature diode laser pumps for low SWaP directed energy lasers (Conference Presentation)

Proc. SPIE. 10637, Laser Technology for Defense and Security XIV

KEYWORDS: Fiber amplifiers, Laser energy, Laser applications, Laser development, Fiber lasers, Semiconductor lasers, Directed energy weapons, Diodes, Heatsinks, Laser systems engineering

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PROCEEDINGS ARTICLE | February 19, 2018

Improvement in reduced-mode (REM) diodes enable 315 W from 105-µm 0.15-NA fiber-coupled modules

Proc. SPIE. 10514, High-Power Diode Laser Technology XVI

KEYWORDS: Defense and security, Consumer electronics, Fiber amplifiers, Continuous wave operation, Materials processing, Manufacturing, Solid state lasers, Fiber lasers, Semiconductor lasers, Diodes

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PROCEEDINGS ARTICLE | February 19, 2018

Continued advances in high brightness fiber-coupled laser modules for efficient pumping of fiber and solid-state lasers

Proc. SPIE. 10514, High-Power Diode Laser Technology XVI

KEYWORDS: Polarization, Reliability, Solid state lasers, Multiplexing, Fiber lasers, Semiconductor lasers, Solids, Diodes, Fiber couplers, Fiber coupled lasers

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PROCEEDINGS ARTICLE | June 7, 2017

High-temperature diode laser pumps for directed energy fiber lasers (Conference Presentation)

Proc. SPIE. 10192, Laser Technology for Defense and Security XIII

KEYWORDS: Fiber amplifiers, Laser applications, Laser development, Resistance, Fiber lasers, Semiconductor lasers, Directed energy weapons, Diodes, Heatsinks, Laser systems engineering

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PROCEEDINGS ARTICLE | February 22, 2017

Advances in high-brightness fiber-coupled laser modules for pumping multi-kW CW fiber lasers

Proc. SPIE. 10086, High-Power Diode Laser Technology XV

KEYWORDS: Optomechanical design, Optical design, Polarization, Reliability, Multiplexing, Fiber lasers, Semiconductor lasers, Diodes, Raman scattering, Fiber couplers, Space operations, Fiber coupled lasers

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PROCEEDINGS ARTICLE | February 22, 2017

Continued improvement in reduced-mode (REM) diodes enable 272 W from 105 µm 0.15 NA beam

Proc. SPIE. 10086, High-Power Diode Laser Technology XV

KEYWORDS: Optical components, Continuous wave operation, High power lasers, Manufacturing, Fiber lasers, Semiconductor lasers, Diodes, Chemical elements, Near field optics

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PROCEEDINGS ARTICLE | April 22, 2016

Performance improvements to wavelength stabilized high power 885nm diode laser modules

Proc. SPIE. 9730, Components and Packaging for Laser Systems II

KEYWORDS: Fiber Bragg gratings, High power lasers, Reliability, Reflectivity, Semiconductor lasers, Frequency modulation, Laser stabilization, Diodes, Fermium, High power diode lasers, Failure analysis, Laser packaging, Diode pumped solid state lasers

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PROCEEDINGS ARTICLE | March 4, 2016

Reduced-mode (REM) diodes enable high brightness fiber-coupled modules

Proc. SPIE. 9733, High-Power Diode Laser Technology and Applications XIV

KEYWORDS: Consumer electronics, Continuous wave operation, Polarization, Materials processing, Manufacturing, Reliability, Solid state lasers, Fiber lasers, Semiconductor lasers, Solids, Diodes, Diode pumped solid state lasers

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PROCEEDINGS ARTICLE | March 13, 2015

High reliability demonstrated on high-power and high-brightness diode lasers

Proc. SPIE. 9348, High-Power Diode Laser Technology and Applications XIII

KEYWORDS: Lithium, High power lasers, Reliability, Laser development, Fiber lasers, Semiconductor lasers, Thermal effects, Diodes, Failure analysis, Beam controllers

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PROCEEDINGS ARTICLE | March 13, 2015

High-brightness diodes and fiber-coupled modules

Proc. SPIE. 9348, High-Power Diode Laser Technology and Applications XIII

KEYWORDS: Data modeling, High power lasers, Reliability, Fiber lasers, Semiconductor lasers, Solids, Thermal effects, Diodes, Performance modeling, Electro optical modeling

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PROCEEDINGS ARTICLE | March 7, 2014

High power diode lasers emitting from 639 nm to 690 nm

Proc. SPIE. 8965, High-Power Diode Laser Technology and Applications XII

KEYWORDS: Mirrors, Continuous wave operation, High power lasers, Reliability, Laser applications, Laser development, Semiconductor lasers, Diodes, High power diode lasers

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PROCEEDINGS ARTICLE | March 7, 2014

High reliability of high power and high brightness diode lasers

Proc. SPIE. 8965, High-Power Diode Laser Technology and Applications XII

KEYWORDS: Continuous wave operation, High power lasers, Reliability, Resistance, Fiber lasers, Semiconductor lasers, Near field, Diodes, Performance modeling, Near field optics

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PROCEEDINGS ARTICLE | February 26, 2013

Optimized performance of 808 nm diode laser bars for efficient high-power operation

Proc. SPIE. 8605, High-Power Diode Laser Technology and Applications XI

KEYWORDS: Continuous wave operation, Surgery, High power lasers, Coating, Reliability, Reflectivity, Semiconductor lasers, Optimization (mathematics), Performance modeling, Instrument modeling

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PROCEEDINGS ARTICLE | February 26, 2013

Reliability of high power/brightness diode lasers emitting from 790 to 980 nm

Proc. SPIE. 8605, High-Power Diode Laser Technology and Applications XI

KEYWORDS: Continuous wave operation, Reliability, Laser development, Fiber lasers, Semiconductor lasers, Laser resonators, Diodes, High power diode lasers, Failure analysis

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PROCEEDINGS ARTICLE | February 9, 2012

Performance limitation and mitigation of longitudinal spatial hole burning in high-power diode lasers

Proc. SPIE. 8277, Novel In-Plane Semiconductor Lasers XI

KEYWORDS: Optical lithography, Waveguides, High power lasers, Quantum efficiency, Reflectivity, Semiconductor lasers, Solids, Thermal effects, Diodes, Hole burning spectroscopy

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PROCEEDINGS ARTICLE | February 9, 2012

High performance diode lasers emitting at 780-820 nm

Proc. SPIE. 8241, High-Power Diode Laser Technology and Applications X

KEYWORDS: Continuous wave operation, Data modeling, High power lasers, Reliability, Laser development, Fiber lasers, Semiconductor lasers, Heatsinks, Failure analysis

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PROCEEDINGS ARTICLE | February 9, 2012

High-efficiency kW-class QCW 88x-nm diode semiconductor laser bars with passive cooling

Proc. SPIE. 8241, High-Power Diode Laser Technology and Applications X

KEYWORDS: Accelerated life testing, Data modeling, Surgery, Reliability, Resistance, Semiconductor lasers, Finite element methods, Metalorganic chemical vapor deposition, Performance modeling, Thermal modeling

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PROCEEDINGS ARTICLE | May 26, 2011

Progress in commercial wavelength-stabilized high-brightness diode sources suitable for pumping Yb-doped fiber lasers

Proc. SPIE. 8039, Laser Technology for Defense and Security VII

KEYWORDS: Holography, Reliability, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, High power diode lasers, Volume holography, Fiber coupled lasers, Near field optics

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PROCEEDINGS ARTICLE | February 22, 2011

Wavelength stabilized diode laser based devices free of power or efficiency penalties

Proc. SPIE. 7918, High-Power Diode Laser Technology and Applications IX

KEYWORDS: Manufacturing, Reliability, Nd:YAG lasers, Solid state lasers, Fiber lasers, Semiconductor lasers, Diodes, Er:YAG lasers, Diode pumped solid state lasers, Absorption

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PROCEEDINGS ARTICLE | February 21, 2011

High reliability and high performance of 9xx-nm single emitter laser diodes

Proc. SPIE. 7918, High-Power Diode Laser Technology and Applications IX

KEYWORDS: Continuous wave operation, Statistical analysis, Data modeling, High power lasers, Error analysis, Reliability, Fiber lasers, Semiconductor lasers, High power diode lasers, Heatsinks

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PROCEEDINGS ARTICLE | February 21, 2011

Reliability of high power diode laser systems based on single emitters

Proc. SPIE. 7918, High-Power Diode Laser Technology and Applications IX

KEYWORDS: Continuous wave operation, Reliability, Fiber lasers, Semiconductor lasers, Diodes, High power diode lasers, Heatsinks, Failure analysis, Fiber coupled lasers, Laser systems engineering

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PROCEEDINGS ARTICLE | February 17, 2011

Performance and reliability of high power 7xx nm laser diodes

Proc. SPIE. 7953, Novel In-Plane Semiconductor Lasers X

KEYWORDS: Continuous wave operation, High power lasers, Reliability, Laser development, Control systems, Semiconductor lasers, High power diode lasers, Heatsinks, Failure analysis, Near field optics

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PROCEEDINGS ARTICLE | February 17, 2011

Mitigation of thermal lensing effect as a brightness limitation of high-power broad area diode lasers

Proc. SPIE. 7953, Novel In-Plane Semiconductor Lasers X

KEYWORDS: Reliability, Resistance, Fiber lasers, Semiconductor lasers, Thermal effects, Finite element methods, Fiber couplers, Thermal engineering, Fiber coupled lasers, Broad area laser diodes

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PROCEEDINGS ARTICLE | February 18, 2010

High-brightness fiber-coupled pump laser development

Proc. SPIE. 7583, High-Power Diode Laser Technology and Applications VIII

KEYWORDS: Materials processing, Laser development, Nd:YAG lasers, Solid state lasers, Fiber lasers, Semiconductor lasers, Diodes, Fiber couplers, Geometrical optics, Fiber coupled lasers

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PROCEEDINGS ARTICLE | February 18, 2010

Reliability and performance of 808-nm single emitter multi-mode laser diodes

Proc. SPIE. 7583, High-Power Diode Laser Technology and Applications VIII

KEYWORDS: Continuous wave operation, Surgery, Reliability, Semiconductor lasers, Structural design, Heatsinks, Failure analysis, Temperature metrology, Near field optics

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PROCEEDINGS ARTICLE | February 18, 2010

KW-class industrial diode lasers comprised of single emitters

Proc. SPIE. 7583, High-Power Diode Laser Technology and Applications VIII

KEYWORDS: Polarization, Metals, High power lasers, Reliability, Fiber lasers, Semiconductor lasers, Collimation, Diodes, Fiber coupled lasers, Laser systems engineering

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PROCEEDINGS ARTICLE | February 18, 2010

Reliability of high performance 9xx-nm single emitter laser diodes

Proc. SPIE. 7583, High-Power Diode Laser Technology and Applications VIII

KEYWORDS: Continuous wave operation, Statistical analysis, Data modeling, High power lasers, Reliability, Semiconductor lasers, Near field, Process control, Failure analysis, Near field optics

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PROCEEDINGS ARTICLE | May 7, 2009

High brightness diode laser module development at nLIGHT Photonics

Proc. SPIE. 7325, Laser Technology for Defense and Security V

KEYWORDS: Lithium, Cladding, Laser development, Fiber lasers, Semiconductor lasers, Photonics, Collimation, Diodes, Fiber couplers, Fiber coupled lasers

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PROCEEDINGS ARTICLE | May 7, 2009

Highly reliable high-efficiency wavelength-stabilized 885 nm diode laser bars

Proc. SPIE. 7325, Laser Technology for Defense and Security V

KEYWORDS: Fiber Bragg gratings, Reliability, Laser applications, Nd:YAG lasers, Semiconductor lasers, Collimation, Diodes, Heatsinks, Absorption

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PROCEEDINGS ARTICLE | February 24, 2009

100-W 105-um 0.15NA fiber coupled laser diode module

Proc. SPIE. 7198, High-Power Diode Laser Technology and Applications VII

KEYWORDS: Lithium, Cladding, Laser development, Fiber lasers, Semiconductor lasers, Collimation, Diodes, Free space optics, Fiber couplers, Fiber coupled lasers

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PROCEEDINGS ARTICLE | February 24, 2009

Long-term wavelength stability of high-power laser diode bars on microchannel coolers

Proc. SPIE. 7198, High-Power Diode Laser Technology and Applications VII

KEYWORDS: Gold, Oxides, Copper, Nickel, Resistance, Corrosion, Semiconductor lasers, Diodes, Plating, Heatsinks

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PROCEEDINGS ARTICLE | February 24, 2009

High-performance wavelength-locked diode lasers

Proc. SPIE. 7198, High-Power Diode Laser Technology and Applications VII

KEYWORDS: Optical design, Fiber Bragg gratings, Laser applications, Nd:YAG lasers, Solid state lasers, Semiconductor lasers, Diodes, Epitaxy, Er:YAG lasers, Absorption

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PROCEEDINGS ARTICLE | April 14, 2008

High-power diode lasers operating around 1500-nm for eyesafe applications

Proc. SPIE. 6952, Laser Source Technology for Defense and Security IV

KEYWORDS: Optical parametric oscillators, High power lasers, Crystals, Copper, Reliability, Nd:YAG lasers, Solid state lasers, Semiconductor lasers, Diodes, Er:YAG lasers

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PROCEEDINGS ARTICLE | April 3, 2008

Mode control for high performance laser diode sources

Proc. SPIE. 6952, Laser Source Technology for Defense and Security IV

KEYWORDS: Optical design, Fiber Bragg gratings, High power lasers, Reliability, Nd:YAG lasers, Solid state lasers, Control systems, Semiconductor lasers, Diodes, Epitaxy

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PROCEEDINGS ARTICLE | February 13, 2008

Enhanced microchannel cooling for high-power semiconductor diode lasers

Proc. SPIE. 6876, High-Power Diode Laser Technology and Applications VI

KEYWORDS: Semiconductors, Computational fluid dynamics, Microfluidics, High power lasers, Resistance, Semiconductor lasers, Solids, Heat flux, Fluid dynamics, Liquids

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PROCEEDINGS ARTICLE | May 10, 2007

A CTE matched, hard solder, passively cooled laser diode package combined with nXLT facet passivation enables high power, high reliability operation

Proc. SPIE. 6552, Laser Source Technology for Defense and Security III

KEYWORDS: High power lasers, Copper, Indium, Reliability, Laser development, Semiconductor lasers, Diodes, Laser packaging, Temperature metrology

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PROCEEDINGS ARTICLE | February 7, 2007

100-W+ diode laser bars show > 71% power conversion from 790-nm to 1000-nm and have clear route to > 85%

Proc. SPIE. 6456, High-Power Diode Laser Technology and Applications V

KEYWORDS: Quantum wells, High power lasers, Crystals, Electrons, Reliability, Semiconductor lasers, Diodes, Heatsinks, Laser systems engineering, Absorption

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PROCEEDINGS ARTICLE | February 7, 2007

Extending the wavelength range of single-emitter diode lasers for medical and sensing applications: 12xx-nm quantum dots, 2000-nm wells, > 5000-nm cascade lasers

Proc. SPIE. 6456, High-Power Diode Laser Technology and Applications V

KEYWORDS: Indium gallium arsenide, Quantum wells, High power lasers, Crystals, Gallium arsenide, Quantum efficiency, Quantum cascade lasers, Quantum dots, Semiconductor lasers, Metalorganic chemical vapor deposition

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PROCEEDINGS ARTICLE | October 5, 2006

Diode laser bars deliver > 400-W peak CW power from 800-nm to 980-nm enabling wide range of applications

Proc. SPIE. 6397, Technologies for Optical Countermeasures III

KEYWORDS: Packaging, Continuous wave operation, High power lasers, Crystals, Indium, Resistance, Solid state lasers, Semiconductor lasers, Laser crystals, Solid state electronics

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PROCEEDINGS ARTICLE | May 12, 2006

High-power high-efficiency high-brightness long-wavelength laser diodes

Proc. SPIE. 6216, Laser Source and System Technology for Defense and Security II

KEYWORDS: Semiconductors, Optical parametric oscillators, High power lasers, Crystals, Nd:YAG lasers, Solid state lasers, Semiconductor lasers, Diodes, Er:YAG lasers, Laser dentistry

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PROCEEDINGS ARTICLE | February 15, 2006

Diode laser efficiency increases enable >400-W peak power from 1-cm bars and show a clear path to peak powers in excess of 1-kW

Proc. SPIE. 6104, High-Power Diode Laser Technology and Applications IV

KEYWORDS: Packaging, Quantum wells, Crystals, Copper, Gallium arsenide, Indium, Resistance, Semiconductor lasers, Diodes, Thermal efficiency

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PROCEEDINGS ARTICLE | April 25, 2000

Laser-based SXGA reflective light valve projector with E-cinema quality contrast and color space

Proc. SPIE. 3954, Projection Displays 2000: Sixth in a Series

KEYWORDS: Light sources, Polarization, Imaging systems, Speckle, Lamps, Image resolution, Projection systems, Modulation transfer functions, Light valves, RGB color model

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PROCEEDINGS ARTICLE | May 4, 1999

High-power blue laser for large-screen projectors

Proc. SPIE. 3613, Solid State Lasers VIII

KEYWORDS: Light sources, Second-harmonic generation, Imaging systems, Video, High power lasers, Crystals, Laser development, Projection systems, Bragg cells, Pulsed laser operation

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PROCEEDINGS ARTICLE | May 4, 1998

Diode-pumped vanadate lasers for variable-resolution video projectors

Proc. SPIE. 3285, Fabrication, Testing, Reliability, and Applications of Semiconductor Lasers III

KEYWORDS: Light sources, Optical parametric oscillators, Modulation, Video, Crystals, Semiconductor lasers, Projection systems, Neodymium lasers, Pulsed laser operation, RGB color model

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PROCEEDINGS ARTICLE | January 10, 1997

Pulsed RGB lasers for large-screen video displays

Proc. SPIE. 3000, Laser Diode and LED Applications III

KEYWORDS: Modulation, Video, Image resolution, Projection systems, Laser video displays, Bragg cells, Acousto-optics, Pulsed laser operation, RGB color model, Diode pumped solid state lasers

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