Far-field thermal emission from a semiconductor hyperbolic metamaterial
November 17, 2025
The paper explores the far-field thermal emission properties of a semiconductor hyperbolic metamaterial (HMM) made up of silicon-doped InAs and AlSb layers. The novel aspects of...
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Automatic Internal Stray Light Calibration of AMCW Coaxial Scanning LiDAR Using Black and White Image Patterns
November 12, 2025
AMCW coaxial scanning LiDAR is a type of amplitude-modulated continuous wave-based technology. The research paper “Black and white image patterns for automatic internal stray light calibration...
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High-altitude demonstration of LWIR polarimetry using uncooled Microbolometers
November 3, 2025
The paper includes demonstrations of LWIR (Long-Wavelength Infrared) polarimetry, using uncooled microbolometers at high altitude. The use of an Infrared Channelled Spectro-Polarimeter (IRCSP) in near-space is...
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A Cryogenic Infrared Calibration Target
October 25, 2025
The article presents the design, fabrication, and performance evaluation of an ultra-low-reflectance calibration target for infrared wavelength instruments operating at cryogenic temperatures. These targets are essential...
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Analysis of the fat globule size in raw milk through parametrization of visible and near-infrared spatially resolved spectra
October 19, 2025
While traditional measurement methods of milk quality assessment are accurate but invasive and time-consuming, this study suggests a different approach, an innovative and non-invasive technique for...
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Classification of commercial plastics using hyperspectral long wave infrared emission imaging
October 5, 2025
The article presents the development of a hyperspectral imaging system for plastic classification based on thermal emission in the LWIR range, with and without the influence...
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Application of the Portable Diagnostic Package to the Wisconsin HTS Axisymmetric
September 25, 2025
A Plasma Diagnostic Package (PDP) is a set of scientific instruments designed to measure key properties of plasma without disturbing it. In this study, the PDP...
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Cryothermal vacuum measurement of thermochromic variable-emittance coatings with heating/cooling hysteresis for spacecraft thermal management
September 16, 2025
Acktar’s Metal Velvet The study demonstrates the potential of VO₂-based thermochromic emitters for spacecraft thermal control by varying their heat rejection according to varying environment conditions...
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Pixel-level metal blackbody microcavities via hierarchical laser writing
August 6, 2025
Pixel-level metal blackbody microcavities via hierarchical laser writing This study presents a new method for creating black coated metal surfaces with ultra-high emissivity using the method...
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Acktar Fractal BlackTM as a Dual-Function Thermal-Optical Control Coating and Structural Primer-compressed
August 6, 2025
Acktar Fractal BlackTM as a Dual-Function Thermal-Optical Control Coating and Structural Primer-compressed The article evaluates Acktar’s Fractal Black, an ultra black vacuum-deposited black coating designed for...
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BRDF measurements of ultra-black materials with THz quantum cascade lasers
August 6, 2025
BRDF measurements of ultra-black materials with THz quantum cascade lasers This study, conducted by researchers at the National Institute of Standards and Technology (NIST), explores the...
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