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Your search keyword '"L. Orsila"' showing total 2 results
Start Over Author "L. Orsila" Publisher institution of engineering and technology (iet)
2 results on '"L. Orsila"'

1. 1 W at 617 nm generation by intracavity frequency conversion in semiconductor disk laser

Author

P. Tuomisto, L. Orsila, Antti Härkönen, Janne Konttinen, Jussi Rautiainen, Mircea Guina, and Oleg G. Okhotnikov

Subjects
Materials science, business.industry, Nonlinear optics, Barium borate, Gallium arsenide, Semiconductor laser theory, Optical pumping, Crystal, chemistry.chemical_compound, Optics, Semiconductor, chemistry, Optoelectronics, Disk laser, Electrical and Electronic Engineering, business
Abstract

A 1234 nm GalnNAs/GaAs optically-pumped semiconductor disk laser utilising an intracavity BBO (beta barium borate) crystal for nonlinear frequency conversion is reported. 1 W of power at 617 nm has been achieved.

Published
2007
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2. 4 W single-transverse mode VECSEL utilising intra-cavity diamond heat spreader

Author

Martin D. Dawson, L. Orsila, Oleg G. Okhotnikov, Antti Härkönen, Esa J. Saarinen, Soile Suomalainen, Stephane Calvez, and Riku Koskinen

Subjects
Materials science, business.industry, Physics::Optics, Diamond, Output coupler, engineering.material, Laser, Vertical-external-cavity surface-emitting-laser, law.invention, Transverse mode, Optics, law, Heat spreader, engineering, Physics::Accelerator Physics, Optoelectronics, Laser beam quality, Electrical and Electronic Engineering, business, Molecular beam epitaxy
Abstract

An optically pumped semiconductor vertical external cavity surface emitting laser, with high output power and excellent beam quality operating at a wavelength near 1.05 mm, is reported. A transparent diamond heat spreader was used for thermal management of the laser.The gain structure grown by molecular beam epitaxy includes 13 compressively strained InGaAs quantum wells. Maximum output power of 4 W with diffraction-limited beam (M21.15) was achieved using a 2% output coupler and incident pump power of 20 W. It is shown that power scalability is feasible with the presented laser geometry.

Published
2006
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