Controlled Assembly of Upconverting Nanoparticles for Low-Threshold Microlasers and Their Imaging in Scattering Media | ACS Nano
Continuous-wave upconversion lasing with a sub-10 W cm−2 threshold enabled by atomic disorder in the host matrix | Nature Communications
Making higher-energy light to fight cancer | News
Upconversion, explained by RP Photonics Encyclopedia; photons, gain medium, laser, fluorescence, energy transfer, cooperative upconversion, excited-state absorption
Photon upconversion - Wikipedia
Engineering the Upconversion Nanoparticle Excitation Wavelength: Cascade Sensitization of Tri‐doped Upconversion Colloidal Nanoparticles at 800 nm - Shen - 2013 - Advanced Optical Materials - Wiley Online Library
The Rise of the Upconversion Materials
Pulsed laser reshaping and fragmentation of upconversion nanoparticles — from hexagonal prisms to 1D nanorods through “Medusa”-like structures | SpringerLink
Plasmonics Key to Photon Upconversion | Tech Pulse | Jan 2018 | Photonics Spectra
Frequency-upconversion scheme for detection of LWIR light has single-photon sensitivity | Laser Focus World
Understanding Optical Communications:Optical Sources
File:Upconversion Fluorescence - Optical fiber that contains infrared light shines with a blue color in the dark - Laser Physics Lab - NTNU-NT.jpg - Wikimedia Commons
Upconversion effects on the performance of near-infrared laser-driven polymer photovoltaic devices - ScienceDirect
Japanese scientists develop new solvent-based photon upconversion platform – pv magazine International
Mid-IR upconversion imaging promises to speed diagnosis | Laser Focus World
The single component upconversion white light material developed by AI is expected to build a new type of laser display device-Hefei Fluonano Biotech Co.,Ltd
Upconverting μ-cavity laser using 'energy looping' upconversion... | Download Scientific Diagram
Laser-induced breakdown spectroscopy as a readout method for immunocytochemistry with upconversion nanoparticles | SpringerLink
Fs-Upconversion | Cfas
Upconversion emission spectra obtained using 980 nm laser pumping at... | Download Scientific Diagram
a) Upconversion emission under 980 nm diode laser excitation. (b) Pump... | Download Scientific Diagram
Near-Infrared Laser-Triggered Full-Color Tuning Photon Upconversion and Intense White Emission in Single Gd2O3 Microparticle | ACS Sustainable Chemistry & Engineering
Technology MIR Light Detection - Nonlinear Process - NLIR
Blue upconversion laser based on thulium-doped silica microcavity. | Semantic Scholar
Experimental setup of the wide-field MIR frequency upconversion... | Download Scientific Diagram
Femtosecond laser induced luminescence in hierarchically structured NdIII, YbIII, ErIII co-doped upconversion nanoparticles: Light-matter interaction mechanisms from experiments and simulations - ScienceDirect
Watt-Level Visible Continuous-Wave Upconversion Fiber Lasers toward the “Green Gap” Wavelengths of 535–553 nm | ACS Photonics
