Search for dissertations about: "Hans-erik Nilsson"

Showing result 1 - 5 of 29 swedish dissertations containing the words Hans-erik Nilsson.

  2. 1. Theoretical and experimental study of vertical MESFETs in Si and SiC

    Author : Hans-Erik Nilsson; KTH; []
    Keywords : ;

    Abstract : .... READ MORE

  4. 2. Development of Process Technology for Photon Radiation Measurement Applications

    Author : Henrik Andersson; Hans-Erik Nilsson; Göran Thungström; Per-Erik Hellström; Mittuniversitetet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

    Abstract : This thesis presents work related to new types of photo detectors and their applications. The focus has been on the development of process technology and methods by means of experimentation and measurements. READ MORE

  5. 3. Position Sensitive Detectors : Device Technology and Applications in Spectroscopy

    Author : Henrik Andersson; Hans-Erik Nilsson; Göran Thungström; Jan Linnros; Mittuniversitetet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Position sensitive detectors; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik;

    Abstract : This thesis deals with the development, processing and characterization of position sensitive detectors and, in addition, to the development of compact and cost effective spectrometers. Position sensitive detectors are used to measure, with great accuracy and speed, the position of a light spot incident on the surface. READ MORE

  6. 4. Power Scaling of Highly Compact Single-Frequency Yb-Doped Fiber Amplifiers

    Author : Enkeleda Balliu; Hans-Erik Nilsson; Magnus Engholm; Pavel Peterka; Mittuniversitetet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; single-frequency; fiber amplifier; Yb-doped fibers; stimulated Brillouin scattering; compact lasers; thermal load; SHG; MOPA;

    Abstract : Both scientific interests and industrial applications have stimulated the advance of single-frequency laser technology. The high spatial and temporal coherence of this technology has facilitated many applications such as gravitational wave detection, high-precision fiber sensors, high-resolution spectroscopy, holography, and nonlinear optical conversion. READ MORE

  7. 5. Simulation and Optimization of SiC Field Effect Transistors

    Author : Kent Bertilsson; Hans-Erik Nilsson; Christian Brylinski; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electronics; SiC; Device simulation; RF; power; MESFET; Elektronik; Electronics; Elektronik;

    Abstract : Silicon Carbide (SiC) is a wide band-gap semiconductor material with excel-lent material properties for high frequency, high power and high temperature elec-tronics. In this work different SiC field-effect transistors have been studied using theoretical methods, with the focus on both the devices and the methods used. READ MORE