Results 81 to 90 of about 12,362 (189)

Ultrahigh resolution optical coherence tomography using a superluminescent light source [PDF]

open access: yes, 2002
A superluminescent Ti:Al2O3 crystal is demonstrated as a light source for ultrahigh resolution optical coherence tomography (OCT). Single spatial mode, fiber coupled output powers of ~40 μW can be generated with 138 nm bandwidth using a 5 W frequency ...
Fujimoto, James G.   +5 more
core   +2 more sources

Follicular Thyroid Cancer Metastasis to the Urinary Bladder: Report of a Case and Review of the Literature

open access: yesCase Reports in Urology, 2012
Thyroid cancer metastasis to the urinary bladder is a very rear condition. To the authors’ knowledge there have been only 2 cases reported in the literature.
N. Grivas   +3 more
doaj   +1 more source

Fracture of the base of first metacarpal (Bennett fractures) treated with close reduction and Kirschner wire fixation: 16-25 years outcomes [PDF]

open access: yesEpistīmonika Chronika, 2017
Bennett's injury is a fracture dislocation of the first carpo-metacarpal joint. The causative mechanism is axial overloading along the first metacarpal with simultaneous flexion.
A. Akriotis   +3 more
doaj  

Aplicación de redes neuronales artificiales para la predicción de calidad de aire [PDF]

open access: yes, 2008
Se llevó a cabo la implementación de un predictor para el promedio diario de material particulado (PM) y el diseño y desarrollo de este software es descrito en este trabajo.
Brignole, Nélida Beatriz   +2 more
core  

Nd-complex-doped polymer channel waveguide laser [PDF]

open access: yes, 2009
Laser operation at 1060 nm with slope efficiency of 0.95% and 440 μW output power for 2% outcoupling was demonstrated in Nd-complex-doped FDA/epoxy channel waveguides, in what to our knowledge is the first report of a rare-earth-ion-doped polymer ...
Diemeer, M.B.J.   +4 more
core   +1 more source

Pulsed laser deposition for growth of high quality epitaxial garnet films for low threshold waveguide lasers

open access: yes, 2007
Pulsed laser deposition (PLD) is a mature technique capable of producing extremely high quality epitaxial single crystalline films. We have grown Nd:doped garnet films of GGG (Gd The talk will summarise our progress using conventional (single beam) PLD ...
Darby, Mark   +5 more
core  

Robust estimation of the carbon dioxide airborne fraction under measurement errors

open access: yesEnvironmental Research Communications
The carbon dioxide (CO _2 ) airborne fraction, the proportion of anthropogenic CO _2 emissions that remain in the atmosphere, is a critical metric for research on the carbon cycle and climate change.
J Eduardo Vera-Valdés, Charisios Grivas
doaj   +1 more source

Incidencia de diabetes gestacional en Chile durante el periodo 2001-2022

open access: yesRevista Chilena de Obstetricia y Ginecología
Introducción: La diabetes mellitus gestacional (DG) se define como una hiperglucemia que se diagnostica por primera vez durante la gestación. Objetivo: Describir la incidencia de diabetes gestacional (DG) durante el periodo 2001-2022 en Chile.
Marcelo González-Ortiz   +7 more
doaj   +1 more source

Cr:LiSrAlF6 channel waveguides as broadband fluorescence sources [PDF]

open access: yes, 2018
We report on the production and fluorescence of active channel waveguides in Cr:LiSrAlF6. We have produced ∼10μm wide and 5μm high channel waveguides by He+ ion implantation, lithographic patterning and subsequent Ar+ ion sputtering.
Degl'Innocenti, R.   +4 more
core  

Changes of concave and convex rib-vertebral angle, angle difference and angle ratio in patients with right thoracic adolescent idiopathic scoliosis [PDF]

open access: yes, 2018
The aim of this study is to describe the radiological changes in rib-vertebral angles (RVAs), rib-vertebral angle differences (RVADs), and rib-vertebral angle ratios (RVARas) in patients with untreated right thoracic adolescent idiopathic scoliosis and ...
Canavese, Federico   +4 more
core  

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