Abstract
Both high power phased array and broad area laser diodes typically emit multilobed far field patterns. The output of these laser diodes also usually contains multiple oscillation frequencies. For many practical applications a single lobed and diffraction-limited far field pattern and single frequency output are most desirable. Various schemes have been used to modify the output of these arrays to produce a single frequency and single lobe.1-3 We report here a near diffraction- limited and single frequency output from commercially available high power laser arrays and broad area laser diodes with output powers ranging from 100 mW to 1 W.
© 1989 Optical Society of America
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