Essays about: "Josefin Reftlér"

Found 2 essays containing the words Josefin Reftlér.

  1. 1. Doping Layers in Quantum Cascade Lasers: A study in doping density, position and migration effects

    University essay from Lunds universitet/Matematisk fysik

    Author : Josefin Reftlér; [2022]
    Keywords : Physics and Astronomy;

    Abstract : Quantum Cascade Lasers (QCLs) consist of several semiconductor materi- als sandwiched together. The QCL achieves stimulated emission in the mid-IR (m-IR) to the THz region of the electromagnetic spectrum by inter-subband transitions. These parts of the electromagnetic spectrum are hard to lase in with conventional means. READ MORE

  3. 2. Mercury Detection using LED techniques: a feasibility study

    University essay from Lunds universitet/Fysiska institutionen

    Author : Josefin Reftlér; [2012]
    Keywords : LED mercury absorption; Physics and Astronomy;

    Abstract : Mercury is a a heavy metal and its presence in our environment constitutes an health-hazard for example in the form of methyl-mercury. Therefore, it is important to construct sensors to detect this pollutant. READ MORE