Optical tweezers beyond refractive index mismatch using highly doped upconversion nanoparticles

X Shan, F Wang, D Wang, S Wen, C Chen, X Di… - Nature …, 2021 - nature.com
Optical tweezers are widely used in materials assembly, characterization, biomechanical
force sensing, and the in vivo manipulation of cells and organs. The trap** force has …

Cryogenic Yb-Doped Solid-State Lasers

TY Fan, DJ Ripin, RL Aggarwal… - IEEE Journal of …, 2007 - ieeexplore.ieee.org
Cryogenically cooled solid-state lasers promise a revolution in power scalability while
maintaining a good beam quality because of significant improvements in efficiency and …

Laser refrigeration, alignment and rotation of levitated Yb3+:YLF nanocrystals

ATMA Rahman, PF Barker - Nature Photonics, 2017 - nature.com
The ability to cool and manipulate levitated nanoparticles in vacuum is a promising tool for
exploring macroscopic quantum mechanics,, precision measurements of forces and non …

LiYF4:Yb/LiYF4 and LiYF4:Yb,Er/LiYF4 core/shell nanocrystals with luminescence decay times similar to YLF laser crystals and the upconversion quantum yield of …

F Carl, L Birk, B Grauel, M Pons, C Würth… - Nano Research, 2021 - Springer
We developed a procedure to prepare luminescent LiYF 4: Yb/LiYF 4 and LiYF 4: Yb,
Er/LiYF 4 core/shell nanocrystals with a size of approximately 40 nm revealing …

Solid-state optical refrigeration

MP Hehlen, M Sheik-Bahae, RI Epstein - … on the Physics and Chemistry of …, 2014 - Elsevier
The field of optical refrigeration of lanthanide-doped solids emerged in 1994 with the first
laser cooling of an Yb 3+-doped fluoride glass, and it has recently advanced into the …

High‐Efficiency Short‐Wave Infrared Emitter Enabled by Cr3+–Yb3+ Co‐Doped Phosphor

R Shi, S Miao, X Lv, D Chen, Y Zhang… - Advanced Optical …, 2024 - Wiley Online Library
The utilization of phosphor‐converted light‐emitting diodes (pc‐LEDs) as compact short‐
wave infrared (SWIR) emitters has emerged as a promising strategy for miniature SWIR …

Temperature-dependent radiative lifetime of Yb: YLF: refined cross sections and potential for laser cooling

S Püschel, S Kalusniak, C Kränkel, H Tanaka - Optics Express, 2021 - opg.optica.org
We revisit the spectroscopic characterization of ytterbium-doped LiYF_4 (Yb: YLF) for the
application of laser cooling. Time-dependent fluorescence spectroscopy reveals a …

Lithium rare-earth fluorides as photonic materials: 1. Physicochemical characterization

PP Fedorov, VV Semashko, SL Korableva - Inorganic Materials, 2022 - Springer
LiRF4 lithium rare-earth (RE) fluorides existing in the LiF–RF3 systems are important laser
materials. This review examines phase equilibria in the LiF–RF3 systems, the structure of …

Temperature dependent spectroscopic study of Yb3+-doped KG(WO4)2, KY(WO4)2, YAlO3 and YLiF4 for laser applications

J Körner, M Krüger, J Reiter, A Münzer… - Optical Materials …, 2020 - opg.optica.org
We present a study on temperature dependent spectroscopic data for Yb: KGW, Yb: KYW
and Yb: YLF between 80 K and 280 K and Yb: YAP between 100 K and 300 K. Absorption …

Detailed investigation of absorption, emission and gain in Yb: YLF in the 78–300 K range

U Demirbas, J Thesinga, M Kellert… - Optical Materials …, 2021 - opg.optica.org
We present spectroscopic measurements focusing on a detailed investigation of
temperature dependence of absorption, emission and gain in the uniaxial Yb: YLF laser gain …