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Detection of THz radiation with semiconductor diode lasers
/forschung/publikationen/detection-of-thz-radiation-with-semiconductor-diode-lasers
As a consequence of the strong many-body interactions in the electron-hole plasma, a semiconductor laser efficiently interacts with terahertz radiation. The injection of terahertz laser radiation…
Mechanism of LiAlO2 decomposition during the GaN growth on (100) γ-LiAlO2
/forschung/publikationen/mechanism-of-lialo2-decomposition-during-the-gan-growth-on-100nbspg-lialo2
c-plane oriented GaN nucleation layers have been grown on (100) γ-LiAlO2 substrates by hydride vapor phase epitaxy. Longer recrystallization time favors the decomposition of the LiAlO2…
High-Power Picosecond Pulse Generation Due to Mode-Locking With a Monolithic 10-mm-Long Four-Section DBR Laser at 920 nm
/forschung/publikationen/high-power-picosecond-pulse-generation-due-to-mode-locking-with-a-monolithic-10-mm-long-four-section-dbr-laser-at-920-nm
A 10-mm-long four-section distributed Bragg reflector laser with a double-quantum-well heterostructure at 920 nm was realized. A maximum optical pulse power of 3.6 W with a repetition rate…
X-ray diffraction spot mapping - a tool to study structural properties of semiconductor disk laser devices
/forschung/publikationen/x-ray-diffraction-spot-mapping-a-tool-to-study-structural-properties-of-semiconductor-disk-laser-devices
Local lattice plane curvature of semiconductor disk laser devices is determined by an X-ray spot mapping technique using white beam synchrotron radiation. This method allows for in-situ studies of…
High-power, high-brightness 100 W QCW diode laser at 940 nm
/forschung/publikationen/high-power-high-brightness-100w-qcw-diode-laser-at-940nm
We demonstrate 940 nm diode lasers with more than 100 W QCW output power having an aperture width 5 to 10 times smaller than commonly used 10 mm bars. We used a super-large vertical…
Fundamental-lateral mode stabilized high-power ridge-waveguide lasers
/forschung/publikationen/fundamental-lateral-mode-stabilized-high-power-ridge-waveguide-lasers
This paper investigates the impact of lateral radiation losses in ridge waveguide (RW) lasers emitting around 1064 nm is investigated. The RWs are fabricated by dry etching of pairs of trenches with…
High power monolithic two mode DFB laser diodes for the generation of terahertz radiation
/forschung/publikationen/high-power-monolithic-two-mode-dfb-laser-diodes-for-the-generation-of-terahertz-radiation
We report on high power DFB lasers emitting simultaneously on two longitudinal modes. The mode spacing is 0.45 nm corresponding to 0.12 THz. We demonstrate THz emission by mixing the two…
200 kHz linewidth of 780 nm high-power distributed feedback diode laser
/forschung/publikationen/200-khz-linewidth-of-780nbspnm-high-power-distributed-feedback-diode-laser
Narrow-linewidth semiconductor lasers emitting in the wavelength range between 760 and 790 nm are attractive for applications such as state selection in rubidium atomic clocks, Doppler laser cooling,…
Optically pumped semiconductor disk laser with graded and step indices for cw and ultrashort pulse generation
/forschung/publikationen/optically-pumped-semiconductor-disk-laser-with-graded-and-step-indices-for-cw-and-ultrashort-pulse-generation
Summary form only given. This paper reports continuous-wave (cw) and passive mode-locked laser operation of diode-pumped semiconductor disk lasers based on gain sections with step and graded index…
High-power hybrid integrated master-oscillator power-amplifier on microoptical bench at 980-nm
/forschung/publikationen/high-power-hybrid-integrated-master-oscillator-power-amplifier-on-microoptical-bench-at-980-nm
Summary form only given. In this paper, a hybrid integrated master-oscillator power-amplifier (MOPA) emitting at 976 nm is presented. It consists of a distributed feedback (DFB) laser as the master…