High-entropy ceramics: Review of principles, production and applications

S Akrami, P Edalati, M Fuji, K Edalati - Materials Science and Engineering …, 2021 - Elsevier
High-entropy ceramics with five or more cations have recently attracted significant attention
due to their superior properties for various structural and functional applications. Although …

On Yb:CaF2 and Yb:SrF2: review of spectroscopic and thermal properties and their impact on femtosecond and high power laser performance

F Druon, S Ricaud, DN Papadopoulos… - Optical Materials …, 2011 - opg.optica.org
We present an overview of laser results we obtained with Yb-doped calcium fluoride and its
isotype strontium fluoride. In order to study the laser performance in femtosecond and high …

High‐entropy transparent fluoride laser ceramics

X Chen, Y Wu - Journal of the American Ceramic Society, 2020 - Wiley Online Library
For the first time, a transparent high‐entropy fluoride laser ceramic has been prepared and
characterized. X‐ray diffraction (XRD) analysis of a CeNdCaSrBaF12 (CNCSBF) transparent …

Ultrafast optical parametric chirped-pulse amplification

S Witte, KSE Eikema - IEEE Journal of Selected Topics in …, 2011 - ieeexplore.ieee.org
In recent years, optical parametric chirped-pulse amplification (OPCPA) has emerged as a
powerful tool for the generation of ultrashort pulses with extreme peak intensity. It has …

Yb:CaF2 — a new old laser crystal

M Siebold, S Bock, U Schramm, B Xu, JL Doualan… - Applied Physics B, 2009 - Springer
Here is presented and discussed the history, the spectroscopic, the thermo-mechanical and
the laser properties of the new old laser crystal Yb: CaF 2, of its Sr and Ba isotypes as well …

Measurement of temperature-dependent absorption and emission spectra of Yb:YAG, Yb:LuAG, and Yb:CaF2 between 20 °C and 200 °C and predictions on their …

J Koerner, C Vorholt, H Liebetrau, M Kahle, D Kloepfel… - JOSA B, 2012 - opg.optica.org
Accurate values of the emission and absorption cross sections of Yb: YAG, Yb: LuAG, and
Yb: CaF_2 as a function of temperature between room temperature and 200° C are …

Spectroscopic properties and CW laser operation of Nd, Y-codoped CaF2 single crystals

LB Su, QG Wang, HJ Li, G Brasse, P Camy… - Laser Physics …, 2013 - iopscience.iop.org
Abstract Spectroscopic properties of Nd: CaF 2 crystals with different do** concentrations
of Nd 3+ and codo** concentrations of Y 3+ were investigated. The effect of codo** with …

Laser performance of diode-pumped Yb:CaF2 optical ceramics synthesized using an energy-efficient process

P Aballea, A Suganuma, F Druon, J Hostalrich… - Optica, 2015 - opg.optica.org
Due to their natural toughness, and also their flexible and cheap production process, laser
ceramics could provide an interesting alternative to single crystals for meeting the …

High-brightness fiber laser-pumped 68  fs–2.3  W Kerr-lens mode-locked Yb:CaF2 oscillator

G Machinet, P Sevillano, F Guichard, R Dubrasquet… - Optics letters, 2013 - opg.optica.org
By using a high-brightness fiber pump laser, we demonstrate a pure Kerr-lens mode-locked
(ML) Yb: CaF_2 oscillator. The laser delivers 68 fs pulses with 2.3 W average power at 73 …

Structure and fluorescence properties of ternary aluminosilicate glasses doped with samarium and europium

A Herrmann, S Kuhn, M Tiegel, C Rüssel… - Journal of Materials …, 2014 - pubs.rsc.org
Various ternary aluminosilicate glasses with the molar compositions 20 Al2O3–60 SiO2–20
R2O (R= Li or Na), 20 Al2O3–60 SiO2–20 RO (R= Mg, Ca or Zn) and 23.1 Al2O3–69.2 SiO2 …