High-Power Semiconductor Lasers
TECHNICAL PAPERS
January, 2012High Efficiency kW-class QCW 88x nm Diode Laser Bars with Passive Cooling
High Performance Diode Lasers Emitting at 780-820 nm
Performance Limitation and Mitigation of Longitudinal Spatial Hole Burning in High-Power Diode Lasers
2011October, 2011
Progress in Commercial Wavelength-Stabilized High Brightness Diode Sources Suitable for Pumping Yb-doped Fiber Lasers
March, 2011
Conversion Efficiency Optimization of Cryogenically Cooled 15xx nm InP Diode Lasers
January, 2011
High Reliability and High Performance of 9xx nm Single Emitter Laser Diodes
Reliability of High Power Diode Laser Systems Based on Single Emitters
Progress in Commercial Wavelength-Stabilized High Brightness Diode Sources Suitable for Pumping Yb-doped Fiber Lasers
March, 2011
Conversion Efficiency Optimization of Cryogenically Cooled 15xx nm InP Diode Lasers
January, 2011
High Reliability and High Performance of 9xx nm Single Emitter Laser Diodes
Reliability of High Power Diode Laser Systems Based on Single Emitters
2010January, 2010
Reliability of High Performance 9xx-nm Single Emitter Laser Diodes
Reliability and Performance of 808nm Single emitter Multi-Mode Laser Diodes
High Brightness Fiber Coupled Pump Lasers
KW-class Industrial Diode Lasers Comprised of Single Emitters
Long-Wavelength Fiber-Coupled Diode Laser Modules
Advancement in Broad-Area InP-Based Diode Lasers Operating from 1400-2100 nm
Advancements in Fiber Amplifiers
Reliability of High Performance 9xx-nm Single Emitter Laser Diodes
Reliability and Performance of 808nm Single emitter Multi-Mode Laser Diodes
High Brightness Fiber Coupled Pump Lasers
KW-class Industrial Diode Lasers Comprised of Single Emitters
Long-Wavelength Fiber-Coupled Diode Laser Modules
Advancement in Broad-Area InP-Based Diode Lasers Operating from 1400-2100 nm
Advancements in Fiber Amplifiers
2009May, 2009
Commercial High-Efficiency 885 nm Diode Lasers
January, 2009
High-Performance Wavelength-Locked Diode Lasers
presented at SPIE Photonics West 2009
Benchmarking and Measuring Photodarkening in Yb Doped Fibers
presented at SPIE Photonics West 2009
100 W, 105 µm, 0.15NA Fiber Coupled Laser Diode Module
presented at SPIE Photonics West 2009
Commercial High-Efficiency 885 nm Diode Lasers
January, 2009
High-Performance Wavelength-Locked Diode Lasers
presented at SPIE Photonics West 2009
Benchmarking and Measuring Photodarkening in Yb Doped Fibers
presented at SPIE Photonics West 2009
100 W, 105 µm, 0.15NA Fiber Coupled Laser Diode Module
presented at SPIE Photonics West 2009
2008December, 2008
Measuring Photodarkening from Yb Doped Fibers
Doctoral dissertation Joona Koponen, Helsinki University of Technology
November, 2008
Hard-Soldered InGaAsP Single Emitter Diode Lasers on CTE-Matched Heatsinks Deliver Record Power
presented at the 21th Annual Lasers and Electro Optics Society Meeting
October, 2008
Next generation fiber laser pumps
presented at AHPSL 2008
August, 2008
Inversion Behavior in Core- and Cladding-Pumped Yb-Doped Fiber Photodarkening Measurements
published in Applied Optics, Vol. 47, Issue 25, pp. 4522 - 4528
Demonstration of Spatial Distribution of Photodarkening in Yb-Doped Large Mode Area Fiber Laser
published in IEE Electronics Letters, Vol. 44, Issue 16, pp. 960 - 961
June, 2008
A Micro-Channel Heat Exchanger for Electronics Cooling Applications
presented at the 6th International Conference on Nanochannels, Microchannels, and Minichannels 2008
Improvements in Micro-Channel-Cooled High-Efficiency 885 nm Diode Laser Bars
presented at DEPS SSDLTR 2008
Progress in Long-Wavelength High-Power Diode Laser Pump Sources
presented at DEPS SSDLTR 2008
Progress in Fiber-Coupled, High-Brightness, High-Power Diode Laser Pump Sources
presented at DEPS SSDLTR 2008
May, 2008
Experimental Verification of Spatial Distribution of Photodarkening in Large Mode Area Ytterbium Doped Fibers
presented at CLEO 2008
March, 2008
High-Power Diode Lasers Operating Around 1500 nm for Eyesafe Applications
presented at SPIE Defense & Security Symposium 2008
Photodarkening Rate in Yb-Doped Silica Fibers
published in Applied Optics, Vol. 47, Issue 9, pp. 1247-1256
Mode Control for High-Performance Laser Diode Sources
presented at SPIE Defense & Security Symposium 2008
January, 2008
Enhanced Micro-Channel Cooling for High-Power Semiconductor Diode Lasers
presented at SPIE Photonics West 2008
Reliable Operation of High-Efficiency (>70%) 8xx and 9xx nm Diode Lasers
presented at SPIE Photonics West 2008
Measuring Photodarkening from Yb Doped Fibers
Doctoral dissertation Joona Koponen, Helsinki University of Technology
November, 2008
Hard-Soldered InGaAsP Single Emitter Diode Lasers on CTE-Matched Heatsinks Deliver Record Power
presented at the 21th Annual Lasers and Electro Optics Society Meeting
October, 2008
Next generation fiber laser pumps
presented at AHPSL 2008
August, 2008
Inversion Behavior in Core- and Cladding-Pumped Yb-Doped Fiber Photodarkening Measurements
published in Applied Optics, Vol. 47, Issue 25, pp. 4522 - 4528
Demonstration of Spatial Distribution of Photodarkening in Yb-Doped Large Mode Area Fiber Laser
published in IEE Electronics Letters, Vol. 44, Issue 16, pp. 960 - 961
June, 2008
A Micro-Channel Heat Exchanger for Electronics Cooling Applications
presented at the 6th International Conference on Nanochannels, Microchannels, and Minichannels 2008
Improvements in Micro-Channel-Cooled High-Efficiency 885 nm Diode Laser Bars
presented at DEPS SSDLTR 2008
Progress in Long-Wavelength High-Power Diode Laser Pump Sources
presented at DEPS SSDLTR 2008
Progress in Fiber-Coupled, High-Brightness, High-Power Diode Laser Pump Sources
presented at DEPS SSDLTR 2008
May, 2008
Experimental Verification of Spatial Distribution of Photodarkening in Large Mode Area Ytterbium Doped Fibers
presented at CLEO 2008
March, 2008
High-Power Diode Lasers Operating Around 1500 nm for Eyesafe Applications
presented at SPIE Defense & Security Symposium 2008
Photodarkening Rate in Yb-Doped Silica Fibers
published in Applied Optics, Vol. 47, Issue 9, pp. 1247-1256
Mode Control for High-Performance Laser Diode Sources
presented at SPIE Defense & Security Symposium 2008
January, 2008
Enhanced Micro-Channel Cooling for High-Power Semiconductor Diode Lasers
presented at SPIE Photonics West 2008
Reliable Operation of High-Efficiency (>70%) 8xx and 9xx nm Diode Lasers
presented at SPIE Photonics West 2008
2007June, 2007
Fiber Laser Performance and Economics – Status and Trends for Low and High-Power CW, and Pulsed Lasers
presented at Laser. World of Photonics 2007 – 8th International Laser Marketplace
January, 2007
Deterministic Nanosecond Laser-Induced Breakdown Thresholds in Pure and Yb3+ Doped Fused Silica
presented at SPIE Photonics West 2007
Photodarkening Measurements in Large Mode Area Fibers
presented at SPIE Photonics West 2007
Gamma Radiation Effects in Yb-Doped Optical Fiber
presented at SPIE Photonics West 2007
Fiber Laser Performance and Economics – Status and Trends for Low and High-Power CW, and Pulsed Lasers
presented at Laser. World of Photonics 2007 – 8th International Laser Marketplace
January, 2007
Deterministic Nanosecond Laser-Induced Breakdown Thresholds in Pure and Yb3+ Doped Fused Silica
presented at SPIE Photonics West 2007
Photodarkening Measurements in Large Mode Area Fibers
presented at SPIE Photonics West 2007
Gamma Radiation Effects in Yb-Doped Optical Fiber
presented at SPIE Photonics West 2007
2006November, 2006
Measuring Photodarkening From Single-Mode Ytterbium Doped Silica Fibers
published in Optics Express, Vol. 14, Issue 24, pp. 11539-11544
Diode Laser Efficiency Increases, Enables >400 W Peak Power from 1 cm Bars, Shows Clear Path to Peak Powers in Excess of 1 kW
presented at OIDA 15th Annual Forum 2006
September, 2006
Nanosecond Laser-Induced Breakdown in Pure and Yb3+ Doped Fused Silica
presented at Boulder Damage Symposium 2006
DND Technology - A Core Platform for Specialty Mode Guiding Structures
presented at 2006 SPRC Symposium
Photodarkening in Large Mode Area Fibers
presented at 2nd EPS-QEOD Europhoton Conference 2006
August, 2006
Linearly-Polarized Single-Transverse-Mode High-Energy Multi-Ten Nanosecond Fiber Amplifier with 50 W Average Power
published in Optics Express, Vol. 14, No. 17, 7604-7609
June, 2006
400 W Peak CW Power per Bar from 1 cm GaAs Bars for Emission Wavelengths from 800 nm to 980 nm, 90 W at 660 nm
presented at DEPS SSDLTR 2006
May, 2006
85% Power Conversion Efficiency 975 nm Broad Area Diode Lasers at -50°C, 76% at 10°C
presented at CLEO 2006
April, 2006
High-Power, High-Efficiency, High-Brightness Long-Wavelength Laser Diodes
presented at SPIE Defense & Security 2006
January, 2006
Photodarkening Rate in Ytterbium Doped Silica Fibers
presented at SPIE Photonics West 2006
High Order Modes Suppression in Large Mode Area Active Fibers by Controlling the Radial Distribution of the Rare Earth Dopant
presented at SPIE Photonics West 2006
The Potential of Direct Nanoparticle Deposition for the Next Generation of Optical Fibers
presented at SPIE Photonics West 2006
Diode Laser Efficiency Increases, Enables >400 W Peak Power from 1 cm Bars and Shows Clear Path to Peak Powers in Excess of 1 kW
presented at SPIE Photonics West 2006
Measuring Photodarkening From Single-Mode Ytterbium Doped Silica Fibers
published in Optics Express, Vol. 14, Issue 24, pp. 11539-11544
Diode Laser Efficiency Increases, Enables >400 W Peak Power from 1 cm Bars, Shows Clear Path to Peak Powers in Excess of 1 kW
presented at OIDA 15th Annual Forum 2006
September, 2006
Nanosecond Laser-Induced Breakdown in Pure and Yb3+ Doped Fused Silica
presented at Boulder Damage Symposium 2006
DND Technology - A Core Platform for Specialty Mode Guiding Structures
presented at 2006 SPRC Symposium
Photodarkening in Large Mode Area Fibers
presented at 2nd EPS-QEOD Europhoton Conference 2006
August, 2006
Linearly-Polarized Single-Transverse-Mode High-Energy Multi-Ten Nanosecond Fiber Amplifier with 50 W Average Power
published in Optics Express, Vol. 14, No. 17, 7604-7609
June, 2006
400 W Peak CW Power per Bar from 1 cm GaAs Bars for Emission Wavelengths from 800 nm to 980 nm, 90 W at 660 nm
presented at DEPS SSDLTR 2006
May, 2006
85% Power Conversion Efficiency 975 nm Broad Area Diode Lasers at -50°C, 76% at 10°C
presented at CLEO 2006
April, 2006
High-Power, High-Efficiency, High-Brightness Long-Wavelength Laser Diodes
presented at SPIE Defense & Security 2006
January, 2006
Photodarkening Rate in Ytterbium Doped Silica Fibers
presented at SPIE Photonics West 2006
High Order Modes Suppression in Large Mode Area Active Fibers by Controlling the Radial Distribution of the Rare Earth Dopant
presented at SPIE Photonics West 2006
The Potential of Direct Nanoparticle Deposition for the Next Generation of Optical Fibers
presented at SPIE Photonics West 2006
Diode Laser Efficiency Increases, Enables >400 W Peak Power from 1 cm Bars and Shows Clear Path to Peak Powers in Excess of 1 kW
presented at SPIE Photonics West 2006
2005September, 2005
Photodarkening in Ytterbium Doped Silica Fibers
presented at SPIE Europe Symposium Optics/Photonics in Security & Defense 2005
Design Considerations for Large Mode Area Polarization Maintaining Double Clad Fibers
presented at SPIE Europe Symposium Optics/Photonics in Security & Defense 2005
SHEDs Funding Enables Power Conversion Efficiency up to 85% at High Powers from 975 nm Broad Area Diode Lasers
presented at 2005 SPRC Symposium
June, 2005
Optimized Performance GaAs-Based Diode Lasers: Reliable 800 nm 125 W Bars and 83.5% Efficient 975 nm Single Emitters
presented at DEPS SSDLTR 2005
May, 2005
>73% CW Wall-Plug Efficiency at High Powers from 0.94 μm and 0.98 μm Emitting Laser Diodes
presented at CLEO 2005
January, 2005
>360 W and >70% Efficient GaAs-Based Diode Lasers, SPIE Photonics West 2005
presented at SPIE Photonics West 2005
Photodarkening in Ytterbium Doped Silica Fibers
presented at SPIE Europe Symposium Optics/Photonics in Security & Defense 2005
Design Considerations for Large Mode Area Polarization Maintaining Double Clad Fibers
presented at SPIE Europe Symposium Optics/Photonics in Security & Defense 2005
SHEDs Funding Enables Power Conversion Efficiency up to 85% at High Powers from 975 nm Broad Area Diode Lasers
presented at 2005 SPRC Symposium
June, 2005
Optimized Performance GaAs-Based Diode Lasers: Reliable 800 nm 125 W Bars and 83.5% Efficient 975 nm Single Emitters
presented at DEPS SSDLTR 2005
May, 2005
>73% CW Wall-Plug Efficiency at High Powers from 0.94 μm and 0.98 μm Emitting Laser Diodes
presented at CLEO 2005
January, 2005
>360 W and >70% Efficient GaAs-Based Diode Lasers, SPIE Photonics West 2005
presented at SPIE Photonics West 2005
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