Investigation Of Effects Of Current And Temperature On Emission Spectra Of A Gallium-nitride-based Blue Laser Diode

الموضوعات

علوم بحتة وطبيعية

الملخص

Most of the applications where gallium nitride (GaN)-based blue laser diodes are utilized require high laser spectral quality with controlled spectral wavelength and stable output power. Owing to these requirements, it is important to characterize commercial blue laser diodes prior to employing them in spectroscopy and other applications. In this study, highly resolved emission spectra of a Roithner LaserTechnik LD-445-50PD Fabry-Perot GaN blue laser diode, over the wavelength region (440 – 450 nm), will be measured and analyzed to study the evolution and stability of the longitudinal modes of a single-transverse mode laser diode. The emission spectra of the laser diode will be experimentally investigated as a function of operating current and temperature and over continuous operation time. Moreover, laser diode’s temporal stability will be investigated by monitoring emitted spectra intensity variation while selecting and monitoring a single longitudinal mode, at fixed current and temperature and over extended period of lasing. The proposed technique will be utilized to evaluate few optical parameters related to the properties of GaN-based blue laser diodes, such as mode spacing, optical gain, threshold current, slope efficiency (or external differential) and wavelength rate of change with temperature and injection current. The main purpose of this study is to map the evolution of the longitudinal modes of a commercial GaN-based blue laser diode. The successful application of the proposed research herein is anticipated to provide scholars and users much needed information on the operation and nature of emission spectra of GaN-based blue laser diodes.

روابط وملفات

التعريف والنوع

رقم الوثيقة

ed9527f6-e185-43b8-af28-c9fb7ac83eeb

رقم العقد

0

نوع الوسائط

Crawler

نوع المحتوى

الرسائل العلمية

صيغة المصدر

رسائل ماجيستير

نوع الملف

pdf text

أسماء الملفات

948093_1.pdf

بيانات النشر

ترجمة العنوان

التحقيق في آثار التيار الكهربائي ودرجة الحرارة على الانبعاثات الأطياف من الصمام الثنائي ليزر أزرق مصنوعة من نيتريد الغاليوم

ألقاب المؤلفين

[{"name_ar":"Abdul Aziz Al-Jalal ","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"Watheq A. Al-Basheer","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"توفيق اولال أديغن","title_ar":"اعداد","title_en":"Preparation"}]

اللغة

English

المصدر والدورية

اسم المصدر

Investigation Of Effects Of Current And Temperature On Emission Spectra Of A Gallium-nitride-based Blue Laser Diode

المحتوى والصفحات

عدد الصفحات

0

إشراف وإعداد

الإشراف

Abdul Aziz Al-Jalal , Watheq A. Al-Basheer

الإعداد

توفيق اولال أديغن

الاقتباسات الببليوغرافية