Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
70 (1997), S. 2359-2361
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
4.5 mW of power in a single spatial mode has been obtained from a vertical cavity surface emitting laser (VCSEL) in an external cavity setup, using a graded index (GRIN) lens with a spatial filtering high reflecting aperture deposited on its endface. The spatial filter on the GRIN lens endface forces a larger single transverse mode in the VCSEL than is obtained without it. A brightness of 5.1×105 W/cm2 str is demonstrated, which is 91% of the maximum achievable. © 1997 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.118873
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