Metallic nanostructures for efficient LED lighting

G Lozano, SRK Rodriguez, MA Verschuuren… - Light: Science & …, 2016‏ - nature.com
Light-emitting diodes (LEDs) are driving a shift toward energy-efficient illumination.
Nonetheless, modifying the emission intensities, colors and directionalities of LEDs in …

Effective radiative cooling by paint-format microsphere-based photonic random media

S Atiganyanun, JB Plumley, SJ Han, K Hsu… - ACS …, 2018‏ - ACS Publications
We demonstrate that photonic media, when properly randomized to minimize the photon
transport mean free path, can be used to coat a black substrate and reduce its temperature …

Bright-white beetle scales optimise multiple scattering of light

M Burresi, L Cortese, L Pattelli, M Kolle, P Vukusic… - Scientific reports, 2014‏ - nature.com
Whiteness arises from diffuse and broadband reflection of light typically achieved through
optical scattering in randomly structured media. In contrast to structural colour due to …

Energy-Transfer Processes in Nonstoichiometric and Stoichiometric , , , , and -Codoped :YAG Transparent Ceramics: Toward High-Power and …

K Bartosiewicz, A Szysiak, R Tomala, P Gołębiewski… - Physical Review …, 2023‏ - APS
Transparent light-converting Y 3 Al 5 O 12: Ce (YAG: Ce) ceramics have become promising
materials for advanced light-emitting diode and laser-driven white-light-generation …

Transmission channels for light in absorbing random media: from diffusive to ballistic-like transport

SF Liew, SM Popoff, AP Mosk, WL Vos, H Cao - Physical Review B, 2014‏ - APS
While the absorption of light is ubiquitous in nature and in applications, the question remains
how absorption modifies the transmission channels in random media. We present a …

[HTML][HTML] Improving the performance of light-emitting diodes via plasmonic-based strategies

X Fan, Q Hao, T Qiu, PK Chu - Journal of Applied Physics, 2020‏ - pubs.aip.org
Light-emitting diodes (LEDs), featuring long lifetime, small size, and low energy
consumption, are increasingly popular for displays and general light sources. In the past …

Role of packing density and spatial correlations in strongly scattering 3D systems

L Pattelli, A Egel, U Lemmer, DS Wiersma - Optica, 2018‏ - opg.optica.org
Discrete random media have been investigated extensively over the past century due to
their ability to scatter light. Even so, the link between the three-dimensional (3D) spatial …

Radiance limits of ceramic phosphors under high excitation fluxes

A Lenef, J Kelso, Y Zheng… - Current developments in …, 2013‏ - spiedigitallibrary.org
Ceramic phosphors, excited by high radiance pump sources, offer considerable potential for
high radiance conversion. Interestingly, thermodynamic arguments suggest that the …

Interplay between multiple scattering, emission, and absorption of light in the phosphor of a white light-emitting diode

VYF Leung, A Lagendijk, TW Tukker, AP Mosk… - Optics express, 2014‏ - opg.optica.org
We study light transport in phosphor plates of white light-emitting diodes (LEDs). We
measure the broadband diffuse transmission through phosphor plates of varying YAG: Ce …

Modification of light transmission channels by inhomogeneous absorption in random media

SF Liew, H Cao - Optics express, 2015‏ - opg.optica.org
Optical absorption is omnipresent and often distributed non-uniformly in space. We present
a numerical study on the effects of inhomogeneous absorption on transmission …