Study of the degradation of AlGaAs-based high-power laser bars: V defects
In this work we report the results of damage induced by aging tests of high power AlGaAs based laser bars. Post-laser aging the mirror and cavity degradations are studied by cathodoluminescence (CL). Following the analysis of the CL images the origin of the defects arising in the mirror surface and...
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| Veröffentlicht in: | Journal of materials science. Materials in electronics 2008-12, Vol.19 (Suppl 1), p.140-144 |
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| container_end_page | 144 |
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| container_issue | Suppl 1 |
| container_start_page | 140 |
| container_title | Journal of materials science. Materials in electronics |
| container_volume | 19 |
| creator | Martín-Martín, A. Avella, M. Pommiès, M. Jiménez, J. Iñiguez, M. P. Oudart, M. Nagle, J. |
| description | In this work we report the results of damage induced by aging tests of high power AlGaAs based laser bars. Post-laser aging the mirror and cavity degradations are studied by cathodoluminescence (CL). Following the analysis of the CL images the origin of the defects arising in the mirror surface and causing ulterior laser cavity degradation is discussed in terms of stress packaging and thermal stress induced processes. The latter is estimated by a finite element modelling of the thermomechanical properties of the laser heterostructure at the facet. |
| doi_str_mv | 10.1007/s10854-007-9512-1 |
| format | Article |
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The latter is estimated by a finite element modelling of the thermomechanical properties of the laser heterostructure at the facet.</description><subject>Aging</subject><subject>Applied sciences</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Compound structure devices</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Integrated circuits</subject><subject>Materials</subject><subject>Materials Science</subject><subject>Optical and Electronic Materials</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. 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| subjects | Aging Applied sciences Characterization and Evaluation of Materials Chemistry and Materials Science Compound structure devices Design. Technologies. Operation analysis. Testing Electronics Exact sciences and technology Integrated circuits Materials Materials Science Optical and Electronic Materials Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Semiconductors |
| title | Study of the degradation of AlGaAs-based high-power laser bars: V defects |
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