Search results for "holmium"
showing 8 items of 48 documents
Application of WGM Resonances to the Measurement of the Temperature Increment of Ho and Ho-Yb Doped Optical Fibers Pumped at 1125 and 975 nm
2021
Optical fiber characterization using whispering gallery mode resonances of the fiber itself has been demonstrated to be a powerful technique. In this work, we exploit the thermal sensitivity of whispering gallery mode resonances to characterize the pump-induced temperature increment in holmium doped and holmium-ytterbium codoped optical fibers. The technique relies on the measurement of the resonances’ wavelength shift due to temperature variation as a function of the pump power. Holmium doped fibers were pumped to the second excited level 5I6 of the Ho3+ ion using a laser diode at 1125 nm and ytterbium-holmium codoped fibers to the 2F5/2 level of the Yb3+ ion by a laser diode at 975 nm. Ou…
CCDC 987656: Experimental Crystal Structure Determination
2014
Related Article: José J. Baldoví, Eugenio Coronado, Alejandro Gaita-Ariño, Christoph Gamer, Mónica Giménez-Marqués, Guillermo Mínguez Espallargas|2014|Chem.-Eur.J.|20|10695|doi:10.1002/chem.201402255
CCDC 2069070: Experimental Crystal Structure Determination
2021
Related Article: Borja Rodríguez-Barea, Júlia Mayans, Renato Rabelo, Adrián Sanchis-Perucho, Nicolás Moliner, José Martínez-Lillo, Miguel Julve, Francesc Lloret, Rafael Ruiz-García, Joan Cano|2021|Inorg.Chem.|60|12719|doi:10.1021/acs.inorgchem.1c01905
Spectroscopic Properties of Holmium-Aluminum- Germanium Co-doped Silica Fiber
2020
We report the basic spectroscopic properties of a home-made holmium-aluminum-germanium co-doped silica fiber, designed for laser applications. We present the ground-state and excitedstate absorption spectra of the fiber along with the upconversion emission spectrum under laser action, which served for making an energy levels’ diagram of Ho3+ ion. We discuss the ways to assess the kinetics of Ho3+ 2-μm fluorescence, focusing on measuring fluorescence lifetime from 5I7 level and nonradiative decay time from 5I6 level. The simple analytical formulae, applicable for fitting of the fluorescence decay curve, are derived, which can be useful for precise modeling of holmiumdoped fiber lasers. PID20…
Future perspectives of flexible ureteroscopy
2019
Purpose of review In the recent past, there were numerous and promising technological developments in the field of endourology leading to tremendous changes in the management of urolithiasis. This review will try to weave ancient stone therapy with the very modern advent of flexible ureteroscopy and recent developments in robotic systems. Recent findings In the broad field of flexible ureteroscopy for stone surgery, new disposable scopes have been developed and established. The use of robotic instruments is also a new and interesting concept. Additionally, clinical research on the understanding of laser features leads to a specific and appropriate use of lasers for lithotripsy, both holmium…
Holmium Laser Endoureterotomy With the Lovaco Technique for the Treatment of Ureterointestinal Stenosis: Step by step.
2018
Abstract Objective To describe holmium laser endoureterotomy with the Lovaco technique for the treatment of ureterointestinal stenosis. This common problem after cystectomy represents a surgical challenge, with endourological techniques being useful in this context. We present a technique that has been described before, but which we consider useful and decisive. The key points and difficult aspects of the technique are shown, along with our experience with it. Methods We collected data on cases of ureterointestinal stenosis treated using holmium laser endoureterotomy with the Lovaco technique, in a prospective manner, between January 2017 and January 2018. Intraoperative data, postoperative…
CCDC 1562347: Experimental Crystal Structure Determination
2018
Related Article: Walter Cañon-Mancisidor, Sara G. Miralles, José J. Baldoví, Guillermo Mínguez Espallargas, Alejandro Gaita-Ariño, Eugenio Coronado|2018|Inorg.Chem.|57|14170|doi:10.1021/acs.inorgchem.8b02080
CCDC 1562351: Experimental Crystal Structure Determination
2018
Related Article: Walter Cañon-Mancisidor, Sara G. Miralles, José J. Baldoví, Guillermo Mínguez Espallargas, Alejandro Gaita-Ariño, Eugenio Coronado|2018|Inorg.Chem.|57|14170|doi:10.1021/acs.inorgchem.8b02080