8 citations · 25 across the 14 of their papers we have counts for
6 papers · 1 filter
Guidelines for measurement of thermal emission
Yuzhe Xiao, Chenghao Wan, Alireza Shahsafi +7
Thermal emission is the radiation of electromagnetic waves from hot objects. The promise of thermal-emission engineering for applications in energy harvesting, radiative cooling, a…
Depth thermography: non-invasive 3D temperature profiling using infrared thermal emission
Yuzhe Xiao, Chenghao Wan, Alireza Shahsafi +2
We introduce a technique based on infrared thermal emission, termed depth thermography, that can remotely measure the temperature distribution beneath the surface of certain object…
Wide-angle spectrally selective absorbers and thermal emitters based on inverse opals
Alireza Shahsafi, Graham Joe, Soeren Brandt +8
Engineered optical absorbers are of substantial interest for applications ranging from stray light reduction to energy conversion. We demonstrate a large-area (centimeter-scale) me…
Self-stabilizing laser sails based on optical metasurfaces
Joel Siegel, Anthony Wang, Sergey G. Menabde +3
This article investigates the stability of 'laser sail'-style spacecraft constructed from dielectric metasurfaces with areal densities 1g/m. We show that the microscopic opt…
Temperature-independent thermal radiation
Alireza Shahsafi, Patrick Roney, You Zhou +11
Thermal emission is the process by which all objects at non-zero temperatures emit light, and is well-described by the classic Planck, Kirchhoff, and Stefan-Boltzmann laws. For mos…
Optical properties of thin-film vanadium dioxide from the visible to the far infrared
Chenghao Wan, Zhen Zhang, David Woolf +13
The insulator-to-metal transition (IMT) in vanadium dioxide (VO2) can enable a variety of optics applications, including switching and modulation, optical limiting, and tuning of o…