Sökning: "Laser Diodes"

Visar resultat 1 - 5 av 8 uppsatser innehållade orden Laser Diodes.

  1. 1. Construction and Characterization of a Confocal Setup for Functionalization of Light Emitting Diodes and Laser Diodes Using an Amorphous Nonlinear Medium

    Kandidat-uppsats, Lunds universitet/Synkrotronljusfysik; Lunds universitet/Fysiska institutionen

    Författare :Hana Zeneli; [2018]
    Nyckelord :Characterization; Characterization Microscope; Microscope; Confocal; Amorphous Nonlinear Medium; Laser; Laser Diodes; Infrared Laser; Infrared; Optics; Nonlinear Optics; Nonlinear; White Light Emission; Infrared to White Light; Physics and Astronomy;

    Sammanfattning : A confocal microscope is built to examine molecular powders, and in particular the (PhSn)_4S_6 cluster, that emits white light when irradiated with infrared laser light. The confocal microscope operating at long working distances is assembled and characterized. LÄS MER

  3. 2. Design and Fabrication of 1550 nm Photonic Crystal Surface Emitting Lasers

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :João Martins de Pina; [2018]
    Nyckelord :Photonic crystal; surface-emitting laser; metal organic chemical vapour deposition; III-V semi- conductors; light emitting diode.;

    Sammanfattning : In this study, the design and fabrication of a monolithic InP-based 1550-nm photonic-crystal surfaceemitting laser (PCSEL) is reported. The device is composed by an InGaAsP multi-quantum well (MQW) active layer and InP photonic crystal (PhC) formed by metal organic chemical vapour deposition (MOCVD). LÄS MER

  4. 3. Optical Imaging and Spectroscopy of Airborne Nanowires

    Master-uppsats, Lunds universitet/Fysiska institutionen

    Författare :Eleni Gompou; [2017]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : Semiconductor nanowires are the potential base for building many future devices like solar cells and light emitting diodes. To reach the level of commercialization of such devices, mass production of NWs at low cost with reproducible high quality properties in terms of crystallinity, material and dimensions is a prerequisite. LÄS MER

  5. 4. Breathing adapted radiotherapy using optical real-time thoractic localization

    Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

    Författare :Rebecca Ljungqvist; [2014]
    Nyckelord :Medicine and Health Sciences;

    Sammanfattning : Purpose: The aim of this work is to investigate the ability of a laser positioning system for breathing-adapted radiotherapy (BART), also known as respiratory gating. C-RAD installed the Sentinel system at the Sk°ane University Hospital (SUS) in Malm¨o during an appointed time for the purpose of evaluation on the pre-clinical gating prototype. LÄS MER

  7. 5. RF crosstalk in InP based Transmission Lines

    Master-uppsats, Linköpings universitet/Institutionen för systemteknik; Linköpings universitet/Tekniska högskolan

    Författare :Mahboobeh Khosravi Nahouji; [2014]
    Nyckelord :RF Crosstalk; PICs; Transmission line; microstrim. complanar stripline;

    Sammanfattning : Currently two main tracks are considered for integration of photonic circuits. Silicon based integration may be more cost effective; however implementation of some functionalities like laser, is problematic. In contrast InP offers complete solution of photonic integration including laser diodes. LÄS MER