Dr. Raymond J. Horley Profile

Dr. Raymond J. Horley

at TRUMPF Laser UK Ltd.

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 11 February 2011 Paper

Fibers and fiber-optic components for high-power fiber lasers

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, T. Schreiber

Proceedings Volume 7914, 791414 (2011) https://doi.org/10.1117/12.879622

KEYWORDS: Fiber lasers, Absorption, Optical fibers, Ytterbium, Phosphorus, Glasses, Refractive index, Aluminum, Cladding, Single mode fibers

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Proceedings Article | 11 October 2007 Paper

Progress and development in fibre laser technology

Ray Horley, Stephen Norman, Mikhail Zervas

Proceedings Volume 6738, 67380K (2007) https://doi.org/10.1117/12.753171

KEYWORDS: Fiber lasers, Laser applications, Laser marking, Laser cutting, Pulsed laser operation, Defense and security, Continuous wave operation, Diodes, Fiber Bragg gratings, Semiconductor lasers

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Proceedings Article | 22 April 2005 Paper

Kilowatt-class single-frequency fiber sources

D. Payne, Y. Jeong, J. Nilsson, J. Sahu, D. Soh, C. Alegria, P. Dupriez, C. Codemard, V. Philippov, V. Hernandez, R. Horley, L. Hickey, L. Wanzcyk, C. Chryssou, J. Alvarez-Chavez, P. Turner

Proceedings Volume 5709, (2005) https://doi.org/10.1117/12.601145

KEYWORDS: Fiber lasers, Amplifiers, Coating, Laser scattering, Scattering, Optical amplifiers, Diodes, Ytterbium, Silica, Raman spectroscopy

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Proceedings Article | 7 June 2004 Paper

Latest development of high-power fiber lasers in SPI

Stephen Norman, Mikhail Zervas, Andrew Appleyard, Michael Durkin, Ray Horley, Malcolm Varnham, Johan Nilsson, Yoonchan Jeong

Proceedings Volume 5335, (2004) https://doi.org/10.1117/12.537739

KEYWORDS: Fiber lasers, Laser applications, Diodes, High power fiber lasers, Optical amplifiers, Laser systems engineering, Cladding, Structured optical fibers, Continuous wave operation, Reliability

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High Power Fiber Lasers (HPFLs) and High Power Fiber Amplifiers (HPFAs) promise a number of benefits in terms of their high optical efficiency, degree of integration, beam quality, reliability, spatial compactness and thermal management. These benefits are driving the rapid adoption of HPFLs in an increasingly wide range of applications and power levels ranging from a few Watts, in for example analytical applications, to high-power >1kW materials processing (machining and welding) applications. This paper describes SPI’s innovative technologies, HPFL products and their performance capabilities. The paper highlights key aspects of the design basis and provides an overview of the applications space in both the industrial and aerospace domains. Single-fiber CW lasers delivering 1kW output power at 1080nm have been demonstrated and are being commercialized for aerospace and industrial applications with wall-plug efficiencies in the range 20 to 25%, and with beam parameter products in the range 0.5 to 100 mm.mrad (corresponding to M² = 1.5 to 300) tailored to application requirements. At power levels in the 1 - 200 W range, SPI’s proprietary cladding-pumping technology, GTWave^TM, has been employed to produce completely fiber-integrated systems using single-emitter broad-stripe multimode pump diodes. This modular construction enables an agile and flexible approach to the configuration of a range of fiber laser / amplifier systems for operation in the 1080nm and 1550nm wavelength ranges. Reliability modeling is applied to determine Systems martins such that performance specifications are robustly met throughout the designed product lifetime. An extensive Qualification and Reliability-proving programme is underway to qualify the technology building blocks that are utilized for the fiber laser cavity, pump modules, pump-driver systems and thermo-mechanical management. In addition to the CW products, pulsed fiber lasers with pulse energies exceeding 1mJ with peak pulse powers of up to 50kW have been developed and are being commercialized. In all cases reducing the total “cost of ownership” for customers and end users is our primary objective.

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