David Zuber
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View article: Ultra-broadband non-collinear optical parametric oscillators: A reliable source of rapidly tunable femtosecond laser pulses
Ultra-broadband non-collinear optical parametric oscillators: A reliable source of rapidly tunable femtosecond laser pulses Open
Non-collinear phase matching in optical parametric oscillators enables unique possibilities ranging from ultra-broadband rapid spectral tuning to intrinsic advantages in power scaling. This work is an overview of this concept adapted to di…
View article: Waveguides Written by Femtosecond Laser in CVD Diamonds
Waveguides Written by Femtosecond Laser in CVD Diamonds Open
This research explores the creation of Type II waveguide configurations in diamond using femtosecond laser technology, focusing on the enhancement of light propagation using pin-structures and extensive parameter investigation, offering si…
View article: Improved Performance of Frequency Tripling Mirrors: A Promising Approach for Simple and Efficient Third Harmonic Generation
Improved Performance of Frequency Tripling Mirrors: A Promising Approach for Simple and Efficient Third Harmonic Generation Open
Frequency tripling mirrors offer a promising alternative to complicated cas- caded arrangements for third harmonic generation. By incorporating optimised dielectric layers, we have achieved a remarkable conversion efficiency of 3.5 %. We w…
View article: Rapidly tunable femtosecond near-UV pulses from a non-collinear optical parametric oscillator
Rapidly tunable femtosecond near-UV pulses from a non-collinear optical parametric oscillator Open
Broadband tunable femtosecond laser pulses are of great interest in numerous fields, such as spectroscopy or imaging. Here, we report on the generation of rapidly tunable radiation in the near UV by using intracavity non-collinear sum-freq…
View article: Third and fifth order nonlinear susceptibilities in thin HfO<sub>2</sub> layers
Third and fifth order nonlinear susceptibilities in thin HfO<sub>2</sub> layers Open
Third harmonic generation (THG) from dielectric layers is investigated. By forming a thin gradient of HfO 2 with continuously increasing thickness, we are able to study this process in detail. This technique allows us to elucidate the infl…
View article: Potential hazards and mitigation of X-ray radiation generated by laser-induced plasma from research-grade laser systems
Potential hazards and mitigation of X-ray radiation generated by laser-induced plasma from research-grade laser systems Open
A large range of laser-matter applications employ ultrashort pulses and high laser intensity. Such processes can lead to unrequired X-ray generation, which represents a hazardous radiation factor even for common laboratory research-grade l…
View article: Maiman revisited: tuneable single mode CW ruby ring laser
Maiman revisited: tuneable single mode CW ruby ring laser Open
The cw ruby laser reveals amazing properties, which have not been expected since its invention 60 years ago. CW pumping with a 405 nm laser diode requires an overall electrical power of only 6 W to achieve more than 100 mW in TEM 00 at 694…
View article: Kerr-lens mode locked, synchronously pumped, ultra-broadband breathing pulse optical parametric oscillator
Kerr-lens mode locked, synchronously pumped, ultra-broadband breathing pulse optical parametric oscillator Open
Profiting from a breathing pulse design, we demonstrate a Kerr-lens mode locked non-collinear optical parametric oscillator, which is capable of delivering stable ultrabroadband signal spanning from 628 nm to 890 nm at -10 dB level.