NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 83 for “"Laser Diode"”.

  1. Quantum dot gain-lever laser diode

    Naderi, Nader

    Semiconductor quantum dot (QD) lasers are competitive candidates for many applications such as high-speed long-haul optical communication systems. This is due to their superior lasing characteristics (compared to conventional quantum well (QW) lasers) and also their potential for high differential …

    unm Repository record

  2. Analysis of laser diode bar degradation

    Feeler, C. RyanUniversity of Missouri--Rolla2016

    "Laser diode bars capable of producing over 100 Watts of continuous output power are finding increased use in military and industrial applications. These devices have a number of degradation mechanisms, ranging from the propagation of dislocations in the epitaxial layers used to create the p-n …

    must-thes Repository record

  3. Thermal management in GaAs/AlGaAs laser diode structures

    Modi, NiharUniversity of Missouri--Columbia2007

    … in describing the operation of the device. Laser diode structures have been the backbone for optoelectronic systems over the years. They are widely being used in state of art communication systems. Laser diodes are also used in defense applications as target defining device and in commercial …

    missouri Repository record

  4. Multiple beam laser diode additive manufacturing for metal parts

    Payne, Andrew TimothyUniversity of Cambridge2018

    MULTIPLE BEAM LASER DIODE ADDITIVE MANUFACTURING FOR METAL PARTS Andrew Payne Abstract Fibre laser based powder bed fusion has become the dominant commercial additive manufacturing technology for producing fully dense metal parts. This technology is difficult to scale up for build volume and build …

    cambridge Repository record

  5. High power laser diode driver with plural feedback loops

    Thompson, Marc T. (Marc Thomas), 1963-Massachusetts Institute of Technology1992

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.

    mit Repository record

  6. Designing a Simulator for an Electrically-Pumped Organic Laser Diode

    Hulbert, Robert2019

    … a solid-state electrically-pumped organic laser diode does not exist. However, organically-based lasers do exist by utilizing the organic material strictly for optical gain. The challenge occurs when charge carriers appear in the organic material. The charge carriers must reach a …

    calpoly Repository record

  7. Semiconductor laser diode mode properties arising from engineered photonic crystals

    North, William KeithUniversity of Illinois at Urbana-Champaign2023

    Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01

    uiuc Repository record

  8. Line narrowing of fiber coupled laser diode array and ³He lung MRI

    Massey, Jermane E. (Jermane Edward), 1972-Massachusetts Institute of Technology1999

    Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Physics, 1999.

    mit Repository record

  9. LASER DIODE PUMPED ND: YAG SOLID STATE LASER FOR APPLICATIONS IN SECOND HARMONIC GENERATION

    YUAN GAOQIANG1998

    … this thesis, a new pumping approach for the YAG laser pumped by laser diode is proposed to achieve high energy/power performances. In this approach, the central part of the pump beam from the laser diode is absorbed directly by the YAG rod through its convex end surface, which is very much like …

    nus Repository record

  10. Novel Approaches to Power Scaling In Mode-Locked Laser Diode Based Ultrashort Pulse Sources

    Forrest, Adam F.University of Dundee2018

    … the average output power of mode-locked laser diode ultrashort pulse sources were investigated. This was done with the motivation of developing mode-locked laser diode based light sources for nonlinear bioimaging applications to which high repetition rate pulse sources such as diode …

    dundee Repository record

  11. Process improvements in laser diode manufacturing : identifying variation and the economics of reducing it

    Coggin, Mark SoteriosMassachusetts Institute of Technology1995

    Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1995, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science & Engineering, 1995.

    mit Repository record

  12. Thermal management of discretized heaters using CuW microchannel heat sinks and FC3283 for laser diode applications

    Amyx, Isabella Gascon, author, Bandhauer, Todd M., advisor, Dumitrache, Ciprian, committee member, Venayagamoorthy, Subhas Karan, committee memberColorado State University. Libraries2024

    … to investigate practical cooling solutions for laser diode bars. This study examined the effectiveness of a copper tungsten (CuW) microchannel heat sink paired with a dielectric coolant (FC3283) for dissipating both discrete and uniform heat fluxes up to 600 W/cm2 across a 0.25 cm2 surface area …

    colostate Repository record

  13. Laser diode-to-singlemode fiber butt-coupling and extremely-short-external-cavity laser diodes: Analysis, realization and applications

    Sidorin, Yakov Sergeevich, 1966-The University of Arizona.1998

    The butt-coupling of a Fabry-Perot semiconductor laser diode and a singlemode optical fiber was realized and characterized in the near field. A novel butt-coupling model was developed and found very effective in describing all physical phenomena that occur when the butt-coupling parameters are …

    arizona-thes Repository record

  14. Design and testing of components for a low cost laser cutter

    Ramos, Joshua DMassachusetts Institute of Technology2011

    … of various components for use in a low cost laser cutting mechanism for hobbyists and recreational designers. Different electronics were used to assess the cutting potential of a laser diode, a small silicon chip based laser light producing unit. A test rig was constructed to evaluate the …

    mit Repository record

  15. The Diode Laser Source and the Spatial Light Modulator's Driver Electronics for Miniaturized Holographic 3D Imaging

    Subramani, DineshVirginia Tech1998

    … this thesis is to develop a low-cost, high power laser diode/fiber illumination system and to design the driver electronics of the spatial light modulator (SLM) for holographic, three dimensional (3D) imaging. A miniaturized laser diode/fiber/polarizing illumination system capable of 15mW of …

    vt Repository record

  16. Fabrication of InGaP LEDs on a graded buffer substrate

    Martínez, Josué FMassachusetts Institute of Technology2007

    … by combining color from three light emitting diodes (LEDs), each producing red, green, or blue light. The light from these three LEDs is chosen so that the display can generate the largest color combination possible. Tri-color LED displays typically use one of two combinations of LEDs. In the …

    mit Repository record

  17. Hybrid Silicon Mode-Locked Laser with Improved RF Power by Impedance Matching

    Tossoun, Bassem M2014

    <p>The mode-locked laser diode (MLLD) finds a lot of use in applications such as ultra high-speed data processing and sampling, large-capacity optical fiber communications based on optical time-division multiplexing (OTDM) systems. Integrating mode-locked lasers on silicon makes way for highly …

    calpoly Repository record

  18. An injection-locked 674 nm laser for Strontium-88 ion trapping

    Katz, Rena J. (Rena Jenelle)Massachusetts Institute of Technology2012

    … a metastable energy state can be stimulated by a laser at a frequency of 444.779044 THz. A laser beam with higher intensity causes more rapid transitions between quantum states, and thus allows more computational operations within the coherence time of the system. The focus of this thesis is the …

    mit Repository record

  19. Time domain chromatic dispersion measurements in single mode optical fibers

    Koch, Walter WilliamVirginia Polytechnic Institute and State University1986

    … different wavelengths from a single pulsed laser diode to determine chromatic dispersion and the zero chromatic dispersion (ZCD) wavelength of the fiber. Time domain dispersion measurements find the group delay directly, eliminating the need for a vector voltmeter and the added phase …

    vt Repository record

  20. Three dimentional control of a diode based laser cutter

    Frost, Phillip John LowneDepartment of Electrical Engineering2014

    Laser cutting is a widely used technology in many areas of industry and research. Conventional laser cutters only offer control of two axes and either cut through a material or rudimentary control of the third dimension is possible by varying the power, pulse rate and travel rate of the laser beam. …

    cape-town Repository record

Page 1 of 5