Results 11 to 20 of about 1,852,020 (244)
Manipulation of the performance of the random lasers from dye-doped nematic liquid crystals with TiN nanoparticles in non-oriented cells is studied. The experimental results show that the introduction of TiN nanoparticles into dye-doped nematic liquid ...
Yuan Wan, Luogen Deng
doaj +2 more sources
Polarization analysis of random THz lasers
By varying the geometrical filling factor from 8% to 12% and the hole radius from 3 to 5 µm, we investigate the interference pattern of a set of surface emitting, electrically pumped random lasers (RLs) at terahertz frequencies employing a surface ...
Alessandra Di Gaspare +1 more
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Perovskite random lasers on fiber facet
Hybrid lead halide perovskites have made great strides in next-generation photovoltaic and optoelectronic devices. Random lasers based on perovskite materials have been intensively investigated, but the miniaturization of perovskite random lasers has not
Zhang Xiao +8 more
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Controllable Liquid Crystal Micro Tube Laser
This study demonstrates controllable random lasing emissions in a dye-doped nematic liquid crystal (DDNLC)-infiltrated microcapillary. The emission wavelength of the micro tube laser can be adjusted by changing the focusing position of the pumped pulses ...
Jia-De Lin +5 more
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Networks of random lasers: current perspective and future challenges [Invited]
Artificial neural networks are widely used in many different applications because of their ability to deal with a range of complex problems generally involving massive data sets.
López, Cefe +2 more
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Networks of mutually coupled random lasers
Random lasers (RLs) rely on light amplification in a gain material with feedback from multiple scattering in disordered media. They are unconventional light sources characterized by multiple narrow peaks emission with high potential in imaging and ...
López, Cefe +4 more
core +1 more source
A microchip-type laser with multiple scattering from powder as necessary feedback is demonstrated. The laser consists of a transparent ceramic Nd:YAG microchip and a Nd:YAG powder tablet, operates at quasi-continuous- wave regime pumped by a laser diode array.
Yan, Feng +4 more
openaire +2 more sources
Interband cascade lasers for the mid-infrared spectral region [PDF]
Financial support of this work by the German Ministry of Education and Research (FKZ: 13N12440) and by the European Commission in the framework of the FP7 project 'WideLase’ (grant no.
Dallner, M. +7 more
core +1 more source
Optical materials for flexible and stretchable random lasers
The development of photonic devices has been largely benefitted by the offer of new flexible and stretchable materials. Many innovative components and devices have been developed for light-based applications.
Anderson S.L. Gomes +4 more
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Lasers based on Fabry–Pérot or whispering gallery resonators generally require complex fabrication stages and sensitive alignment of cavity configurations.
Itir Bakis Dogru-Yuksel +6 more
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