Zobrazeno 1 - 10
of 16
pro vyhledávání: '"59"'
Autor:
Stephen Edward, Vanessa Verrina, Stefan Witte, Paul C. M. Planken, Alessandro Antoncecchi, Hao Zhang
Publikováno v:
Applied Optics, 59(30), 9499-9509. The Optical Society
Verrina, V, Edward, S, Zhang, H, Antoncecchi, A, Witte, S & Planken, P 2020, ' Role of scattering by surface roughness in the photoacoustic detection of hidden micro-structures ', Applied Optics, vol. 59, no. 30, pp. 9499-9509 . https://doi.org/10.1364/AO.397264
Verrina, V, Edward, S, Zhang, H, Antoncecchi, A, Witte, S & Planken, P 2020, ' Role of scattering by surface roughness in the photoacoustic detection of hidden micro-structures ', Applied Optics, vol. 59, no. 30, pp. 9499-9509 . https://doi.org/10.1364/AO.397264
We present an experimental study in which we compare two different pump–probe setups to generate and detect high-frequency laser-induced ultrasound for the detection of gratings buried underneath optically opaque metal layers. One system is built a
Autor:
V. Bouffetier, M. P. Valdivia, T. Goudal, Luke Ceurvorst, Sebastien Hulin, Fabien Dorchies, Alexis Casner, Dan Stutman
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (27), pp.8380. ⟨10.1364/AO.398839⟩
Applied optics, 2020, 59 (27), pp.8380. ⟨10.1364/AO.398839⟩
Applied optics, Optical Society of America, 2020, 59 (27), pp.8380. ⟨10.1364/AO.398839⟩
Applied optics, 2020, 59 (27), pp.8380. ⟨10.1364/AO.398839⟩
Talbot–Lau x-ray interferometry is a grating-based phase-contrast technique, which enables measurement of refractive index changes in matter with micrometric spatial resolution. The technique has been established using a variety of hard x-ray sourc
Autor:
Pavel Loiko, Florent Starecki, Patrice Camy, Jean-Louis Doualan, Lauren Guillemot, Thierry Georges, Julien Rouvillain, Alain Braud, Esrom Kifle
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (25), pp.7530. ⟨10.1364/AO.400632⟩
Applied optics, 2020, 59 (25), pp.7530. ⟨10.1364/AO.400632⟩
Applied optics, Optical Society of America, 2020, 59 (25), pp.7530. ⟨10.1364/AO.400632⟩
Applied optics, 2020, 59 (25), pp.7530. ⟨10.1364/AO.400632⟩
We report on efficient diode-pumped mid-infrared lasers based on T m : L i Y F 4 , T m : Y 3 A l 5 O 12 , and T m : Y A l O 3 crystals. These lasers operate in the continuous-wave (CW) regime and deliver watt-level output power at the wavelengths of
Autor:
Nicolas Verdier, Clémence Agrapart, Jean Michel Papy, Jean Baptiste Renard, Maximilien Lefevre
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (34), pp.10892. ⟨10.1364/AO.408959⟩
Applied optics, Optical Society of America, 2020, 59 (34), pp.10892. ⟨10.1364/AO.408959⟩
International audience; The light optical aerosols counter (LOAC) instrument is an optical aerosol counter that allows atmospheric particles from 0.2 to 50 µm to be individually counted and classified by size. The scattered light due to the interact
Long-wave infrared multi-wavelength optical source for standoff detection of chemical warfare agents
Autor:
Jean-Michel Melkonian, Jean-Baptiste Dherbecourt, Julie Armougom, Jiří Kadlčák, Myriam Raybaut, Guillaume Gorju, Antoine Godard, Nicolas Cézard, Riaan Stuart Coetzee, Valdas Pasiskevicius
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (35), pp.11156-11166. ⟨10.1364/AO.410053⟩
Applied optics, Optical Society of America, 2020, 59 (35), pp.11156-11166. ⟨10.1364/AO.410053⟩
We have designed and built a wavelength-tunable optical source for standoff detection of gaseous chemicals by differential absorption spectrometry in the long-wave infrared. It is based on a nanosecond 2 µm single-frequency optical parametric oscill
Autor:
Wenjun Liu, Peiguang Yan, Shuangchen Ruan, Jintao Wang, Jincheng Wei, Chunyu Guo, Chuanxiang Ye, Linzhong Xia
Publikováno v:
Applied optics. 59(29)
A Q -switched Er:ZBLAN fiber laser operating at 2.8 µm was realized by employing Sb as the saturable material. The Sb material was deposited on a gold mirror by the magnetron-sputtering deposition method to develop a saturable absorber mirror (SAM).
Autor:
Sébastien Laux, Kevin Robin, Lucas Ranc, Alain Pellegrina, Cyril Vinçont, Hervé Besaucele, Johan Boullet, Philippe Morin, Thomas Morbieu, Michael Berisset, Hugo Lecommandoux, Guillaume Machinet, Christophe Pierre, Benoit Beaurepaire, Simon Boivinet, Alexandre Loulier, Olivier Casagrande, Christophe Simon-Boisson, Sébastien Vidal, Jean-Paul Yehouessi, Sandrine Ricaud
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (24), pp.7390-7395. ⟨10.1364/AO.401351⟩
Applied optics, Optical Society of America, 2020, 59 (24), pp.7390-7395. ⟨10.1364/AO.401351⟩
We report a full experimental comparison study on the injection of a Ti:Sa multi-terawatt amplifier chain with a standard 15 fs Ti:Sa oscillator and 35 fs frequency-doubled fiber oscillator. The study highlights that the Ti:Sa oscillator, with high p
Autor:
Alexandre Zimmer, Clotilde Boulanger, Laurent Broch, Mickaël Gilliot, David Horwat, Nicolas Stein
Publikováno v:
Applied optics
Applied optics, Optical Society of America, 2020, 59 (12), pp.3766-3772. ⟨10.1364/AO.389063⟩
Applied optics, Optical Society of America, 2020, 59 (12), pp.3766-3772. ⟨10.1364/AO.389063⟩
The sodiation–desodiation process of sputtered amorphous electrochromic tungsten oxide coatings in an aqueous-based medium was simultaneously monitored over 99 cycles by cyclic voltammetry and in situ spectroscopic ellipsometry. This allowed extrac
Autor:
Shyamal Das, Mukul Chandra Paul, Harith Ahmad, Debjit Dutta, Anas Abdul Latiff, Muhammad Farid Mohd Farid, Sulaiman Wadi Harun, Anirban Dhar
Publikováno v:
Applied optics. 58(24)
This paper demonstrated the nanosecond pulse laser operation at 1.55 and 2 μm wavelength regions using a newly develop chromium-doped fiber (CrDF) as a saturable absorber (SA) to convert efficiently continuous-wave laser operation to nanosecond puls
Publikováno v:
Applied Optics. 60:2795
A graphene-embedded plasmonic rib waveguide (GEPRW) is designed for the mid-infrared electro-optic modulator. The mode characteristics and electro-optic (EO) modulation performances are simulated and optimized by using the finite element method. The