Non-Gaussian fundamental mode patterns in narrow-stripe-geometry lasers
- 15 September 1978
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (6) , 504-506
- https://doi.org/10.1063/1.90415
Abstract
Near- and far-field patterns of narrow (⩽10 μm) stripe-geometry lasers are reported which differ significantly from the Gaussian patterns predicted and observed in wider-stripe lasers. The field patterns are explained by using a waveguide model which takes into account the finite extent of the stripe. High-output-power operation in a single fundamental transverse and lateral mode (up to 1 W in 25-ns pulses) has been observed in devices of this type.Keywords
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