Results 121 to 130 of about 422,858 (337)

Cavity-enhanced single frequency synthesis via DFG of mode-locked pulse trains

open access: yes, 2005
We show how to synthesize a CW, single-frequency optical field from the frequency-dispersed, pulsed field of a mode-locked laser. This process, which relies on difference frequency generation in an optical cavity, is efficient and can be considered as an
Cundiff   +17 more
core   +1 more source

Physical properties and lattice dynamics of bixbyite-type V2O3 [PDF]

open access: yes, 2017
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Lerch, Martin   +4 more
core   +1 more source

DFG-based mid-IR generation using a compact dual-wavelength all-fiber amplifier for laser spectroscopy applications.

open access: yesOptics Express, 2013
We demonstrate a compact mid-infrared (mid-IR) radiation source based on difference frequency generation (DFG) in periodically poled lithium niobate (PPLN) crystal. The system incorporates a dual-wavelength master oscillator power amplifier (MOPA) source
K. Krzempek, G. Soboń, K. Abramski
semanticscholar   +1 more source

Interactions between Molten High‐Silicon Electrical Steels and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how several molten high‐silicon electrical steels interact with both conventional and recycled MgO–C refractories. For this, various immersion experiments are conducted. In addition to infiltration, a number of mechanisms are identified and explained that control the corrosion of the refractory material.
Lukas Neubert   +7 more
wiley   +1 more source

Massless Propagators, $R(s)$ and Multiloop QCD

open access: yes, 2015
This is a short review of recent developments in calculation of higher order corrections to various two-point correlators and related quantities in (massless) QCD.Comment: Material presented at the final Workshop of Sonderforschungsbereich Transregio 9
Baikov, P. A.   +2 more
core   +1 more source

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel   +6 more
wiley   +1 more source

dfg dfg dfg df dfg tfgh sgnh sgfh jfsgh adgh sjwyj r jyj qr ry jqr

open access: yesRevista de Gestão e Secretariado, 2023
fgddfg d gde dfg dfg d g   +1 more
openaire   +1 more source

The fatal flaw: the revived Bretton-woods system, liquidity creation, and commodity-price bubbles [PDF]

open access: yes
Dooley, Folkerts-Landau and Garber (DFG) argue that the present constellation of global exchange-rate arrangements constitutes a revived Bretton-Woods system. DFG ALSO argue that the revived system will be sustainable, despite its large global imbalances.
George S. Tavlas, Harris Dellas
core  

Laser Metal Deposition of Aluminum Alloys 7075 and 5083 with the Addition of Volatile Alloying Elements through Powder Blending

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser metal deposition of aluminum alloys EN AW‐7075 and EN AW‐5083, using powder blending to compensate zinc and magnesium evaporation. In situ alloying and ex situ alloying with ZnAl12 and AZ91 preserve near‐standard compositions and improve mechanical properties.
Finn Bendixen   +3 more
wiley   +1 more source

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