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Evaluation of tensile stress on the electrooptical charateristics of high power laser bar stacks

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hdl:2117/376074

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Villalba Esparza, Carlos
Tutor / directorOriach Font, Carles; Cojocaru, CrinaMés informacióMés informacióMés informació
Document typeMaster thesis
Date2022-09-08
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Mechanical uniaxial tensile strain affects the performance of high power laser diode bars (LDBs) inducing changes in the properties of the laser emission. Properties such as temperature tunning coefficient, far field divergence, polarization, threshold current and slope efficiency are altered. In this work we study how those variations happen and if the behaviour correlates with studies carried out to date. The experimental results seem to coincide with the stipulations regarding the variations depending on the position of emitters in the bars. However, when we variate the uniaxial tensile stress applied there are not correlations in our results, and therefore this question needs to be analysed in more detail.
SubjectsElectrooptical devices, Photonics, Dispositius electroòptics, Fotònica
URIhttp://hdl.handle.net/2117/376074
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