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Blue-green light generation using high brilliance edge emitting diode lasers
/forschung/publikationen/blue-green-light-generation-using-high-brilliance-edge-emitting-diode-lasers
A review about second harmonic generation using edge emitting diode lasers and nonlinear crystals to obtain laser radiation in the blue-green spectral range is presented. Therefore, pump laser…
Analysis, Design, and Evaluation of LDMOS FETs for RF Power Applications up to 6 GHz
/forschung/publikationen/analysis-design-and-evaluation-of-ldmos-fets-for-rf-power-applications-up-to-6nbspghz
The analysis, design, and evaluation of mediumvoltage laterally diffused metal oxide semiconductor (LDMOS) transistors for wireless applications up to 6 GHz is presented. Using an optimized N-LDMOS…
Holographic projection based on tapered lasers and nematic liquid crystal on silicon devices
/forschung/publikationen/holographic-projection-based-on-tapered-lasers-and-nematic-liquid-crystal-on-silicon-devices
Holographic laser projection is high efficiency when using analogue phase spatial light modulators and high brightness laser sources. The experimental work reported will describe the use of digitally…
CMOS Compatible Medium Voltage LDMOS Transistors for Wireless Applications up to 5.8 GHz
/forschung/publikationen/cmos-compatible-medium-voltage-ldmos-transistors-for-wireless-applications-up-to-58nbspghz
The design and characterization of CMOS compatible medium voltage LDMOS transistors are presented. Devices of different sizes were fabricated in a 0.25 µm BiCMOS technology and were…
An alignment-free fiber-coupled microsphere resonator for gas sensing applications
/forschung/publikationen/an-alignment-free-fiber-coupled-microsphere-resonator-for-gas-sensing-applications
In this paper we report on the assembly of a robust sensor system consisting of a polystyrene microsphere resonator attached to an optical fiber taper. Since the sphere is only supported by the…
Compact module of a frequency-doubled, cw diode laser with an output power of more than 500 mW at 531 nm and a beam quality of less than 1.3
/forschung/publikationen/compact-module-of-a-frequency-doubled-cw-diode-laser-with-an-output-power-of-more-than-500nbspmw-at-531nbspnm-and-a-beam-quality-of-less-than-13
We present a compact module, emitting nearly diffraction limited green laser light at 531 nm at an average output power of more than 500 mW. As pump source for the second harmonic…
Compact diode-laser-based system for continuous-wave and quasi-time-domain terahertz spectroscopy
/forschung/publikationen/compact-diode-laser-based-system-for-continuous-wave-and-quasi-time-domain-terahertz-spectroscopy
We present a multimodal diode-laser-based terahertz (THz) spectroscopy system. In contrast to other laser-based THz setups that provide either cw or broadband THz generation, our configuration…
42-fs diode-pumped Yb:Ca4YO(BO3)3 oscillator
/forschung/publikationen/42-fs-diode-pumped-ybca4yobo33-oscillator
We demonstrate a passively mode-locked femtosecond laser based on the self-frequency-doubling crystal Yb:Ca4YO(BO3)3. The oscillator is pumped by a novel two-section distributed Bragg-reflector…
1 W at 490 nm on a compact micro-optical bench by single-pass second harmonic generation
/forschung/publikationen/1nbspw-at-490nbspnm-on-a-compact-micro-optical-bench-by-single-pass-second-harmonic-generation
We demonstrate a compact 1 W laser module at 490 nm using a Distributed Bragg Reflector tapered diode laser in single-path second harmonic generation (SHG) configuration. The frequency…
FDML swept source at 1060 nm using a tapered amplifier
/forschung/publikationen/fdml-swept-source-at-1060-nm-using-a-tapered-amplifier
We present a novel frequency-swept light source working at 1060 nm that utilizes a tapered amplifier as gain medium. These devices feature significantly higher saturation power than conventional…