Results 31 to 40 of about 1,555,102 (288)
Interband cascade lasers for the mid-infrared spectral region [PDF]
, 2014 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
Experimental Investigation of Actively Q-Switched Er3+:ZBLAN Fiber Laser Operating at around 2.8 µm
Sensors, 2020 A diode-pumped Q-switched Er3+:ZBLAN double-clad, single-transverse mode fiber laser is practically realized. The Q-switched laser characteristics as a function of pump power, repetition rate, and fiber length are experimentally investigated. The results
Lukasz Sojka +6 more
doaj +1 more source
GeSnOI mid-infrared laser technology
Light: Science & Applications, 2021 GeSn alloys are promising materials for CMOS-compatible mid-infrared lasers manufacturing. Indeed, Sn alloying and tensile strain can transform them into direct bandgap semiconductors.
Binbin Wang +16 more
doaj +1 more source
Optics Express, 2012 We demonstrate the potential of highly-doped semiconductor epilayers as building blocks for mid-infrared plasmonic structures. InAs epilayers are grown by molecular beam epitaxy and characterized by Hall measurements and optical techniques. We show that the plasma frequency of our material can be controlled across a broad range of mid-infrared ...
S, Law +3 more
openaire +2 more sources
Sensores ópticos com detecção no infravermelho próximo e médio Near and mid infrared optical sensors
Química Nova, 2009 Optical chemical sensors with detection in the near and mid infrared region are reviewed. Fundamental concepts of infrared spectroscopy and optical chemical sensors are briefly described, before presenting some aspects on optical chemical sensors, such ...
Kássio M. G. Lima +3 more
doaj +1 more source
Mid-infrared volume phase gratings manufactured using ultrafast laser inscription [PDF]
, 2013 We report on the ultrafast laser inscription (ULI) of volume phase gratings inside gallium lanthanum sulphide (GLS) chalcogenide glass substrates. The effect of laser pulse energy and grating thickness on the dispersive properties of the gratings is ...
Thomson, Robert R +3 more
core +1 more source
Comparative Modeling of Infrared Fiber Lasers
Photonics, 2018 The modeling and design of fiber lasers facilitate the process of their practical realization. Of particular interest during the last few years is the development of lanthanide ion-doped fiber lasers that operate at wavelengths exceeding 2000 nm.
Slawomir Sujecki +10 more
doaj +1 more source
Mid-Infrared Grayscale Metasurface Holograms
Applied Sciences, 2020 Optical metasurfaces composed of two-dimensional arrays of densely packed nanostructures can project arbitrary holographic images at mid-infrared frequency.
Kedi Wu +5 more
doaj +1 more source
Coupled surface plasmon–phonon polariton nanocavity arrays for enhanced mid-infrared absorption
Nanophotonics, 2022 Resonant optical cavities are essential components in mid-infrared applications. However, typical film-type cavities require multilayer stacks with a micron-thick spacer due to mid-infrared wavelengths, and their performance is limited by narrow ...
Kachiraju Satya R. +6 more
doaj +1 more source
Mid-infrared single-photon counting
Optics Letters, 2006 We report a procedure to detect mid-infrared single photons at 4.65 um via a two-stage scheme based on Sum Frequency Generation, using a Periodically Poled Lithium Niobate (PPLN) nonlinear crystal and a Silicon Avalanche Photodiode. An experimental investigation shows that, in addition to a high timing resolution, this technique yields a detection ...
Temporao, Guilherme +6 more
openaire +5 more sources