Array mode selection utilizing an external cavity configuration
- 15 July 1985
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 47 (2), 89-91
- https://doi.org/10.1063/1.96261
Abstract
We report operation of a ten‐stripe, gain‐guided, phase‐locked diode laser in an external cavity configuration. The laser radiates in a single narrow (1°) lobe. Such lasers generally lase in the highest order array mode, L=10, which radiates in a twin‐lobe far‐field pattern. With one antireflection‐coated facet and a slit spatial filter, the laser has been operated in the L=1, 2, 3 or 10 array modes. A theoretical explanation of the spatial filter function is included.Keywords
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