Photonic materials for interstellar solar sailing

AR Davoyan, JN Munday, N Tabiryan… - Optica, 2021 - opg.optica.org
Solar sails are of great promise for space exploration, affording missions that push the limits
of the possible. They enable a variety of novel science missions ranging from ultrafast …

Design and validation of a high-efficiency planar solar thermophotovoltaic system using a spectrally selective emitter

R Bhatt, M Gupta - Optics Express, 2020 - opg.optica.org
This paper presents a detailed-balance analysis required for the achievement of a high-
efficiency spectral selective STPV system utilizing thermodynamic and optical modeling …

Emissivity measurement of tungsten plasma facing components of the WEST tokamak

J Gaspar, C Pocheau, Y Corre, N Ehret… - Fusion Engineering and …, 2019 - Elsevier
Since tungsten (W) has been selected as material for the ITER divertor target the knowledge
of the emissivity in the infrared (IR) wavelength range becomes mandatory. A dedicated …

Flux dependence of helium retention in clean W (1 1 0): Experimental evidence for He self-trapping

A Dunand, M Minissale, T Angot, R Bisson - Nuclear Materials and Energy, 2023 - Elsevier
Helium (He) retention in tungsten (W) is a concern in fusion reactors since it could be
detrimental to plasma facing components performance and influence the fusion fuel …

Why color matters—proposing a quantitative stability criterion for laser beam processing of metals based on their fundamental optical properties

S Kohl, F Kaufmann, M Schmidt - Metals, 2022 - mdpi.com
With its excellent automation capability and localized energy input enabling precise,
reproducible welds, laser beam welding represents a preferred industrial joining technology …

Microstructure and elevated temperature flexure testing of tungsten produced by electron beam additive manufacturing

H Zhang, PR Carriere, ED Amoako, CD Rock… - JOM, 2023 - Springer
Due to their superior high-temperature thermomechanical capabilities, sputter erosion
durability, and excellent resistance to hydrogen isotopes, tungsten materials have garnered …

Uncover the mystery of interfacial interactions in immiscible composites by spectroscopic microscopy: A case study with W-Cu

Z Zhao, F Tang, C Hou, X Huang, X Song - Journal of Materials Science & …, 2022 - Elsevier
Characterizing immiscible metallic composites with electron microscopy and X-ray
spectroscopy is the classic way of obtaining their structural and physical details …

High-temperature tungsten-hafnia optimized selective thermal emitters for thermophotovoltaic applications

G Silva-Oelker, C Jerez-Hanckes, P Fay - Journal of Quantitative …, 2019 - Elsevier
Abstract Tungsten-hafnia (W-HfO 2) selective thermal emitters with high hemispherical
emittance for thermophotovoltaic (TPV) applications are explored through numerical …

Optical properties of nanoparticles dispersed in ambient medium and their dependences on temperature

VK Pustovalov - Current Nanomaterials, 2023 - ingentaconnect.com
This review describes the basic and application aspects of the optical properties of
nanoparticles (NPs), which determine the dynamics and results of optical (laser) radiation …

Evaluation of nvidia xavier nx platform for real-time image processing for plasma diagnostics

B Jabłoński, D Makowski, P Perek… - Energies, 2022 - mdpi.com
Machine protection is a core task of real-time image diagnostics aiming for steady-state
operation in nuclear fusion devices. The paper evaluates the applicability of the newest low …