Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 14, Issue 10, Pages 1394-1396Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2002.802080
Keywords
catastrophic optical damage (COD); high-brightness lasers; high power lasers; nonabsorbing mirrors (NAMs); quantum well intermixing (QWI)
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The authors demonstrate an improved catastrophic optical damage (COD) level from a ridge laser with nonabsorbing mirrors (NAMs) fabricated by quantum well intermixing. Under destructive testing conditions, the COD level of the NAM laser was improved by a factor of 2.6 compared to the standard laser, attributed to reduced absorption induced facet degradation. Verification of the degradation mechanism was confirmed by inspection and removal of damaged facets.
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