Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

Physical Methods for Controlling Microbial Growth: Radiation and Filtration

Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Integrated photonic polarization synthesizer and analyzer.

Light, science & applications·2026

Same author

Impact of Baydur Ratio Correction on the Reliability of Esophageal Pressure Measurement.

Journal of applied physiology (Bethesda, Md. : 1985)·2026

Same author

Accuracy and Variability of Spatial Localization of Infarct Core Predicted by CT Perfusion.

Journal of computer assisted tomography·2026

Same author

Toward quantum sensing of electron beams using solid-state spins.

Proceedings of the National Academy of Sciences of the United States of America·2026

Same author

Isotropic shrinkage of patterned vacancies enables three-dimensional nanoprecise metastructures for visible light applications.

Nature photonics·2026

Same author

Nonreciprocal scattering and implications for thermal emission control on a mid-infrared spatiotemporally modulated metasurface.

Nature communications·2026

Search research articles

Related Experiment Video

Updated: May 13, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Nanophotonic Thermal Management in X-ray Tubes.

Simo Pajovic¹, Charles Roques-Carmes^2,3, Seou Choi²

¹Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.

|August 26, 2025

Summary

Nanophotonic patterning enhances X-ray tube anode heat dissipation via thermal radiation. This allows for higher power operation and improved X-ray beam characteristics, crucial for advanced medical imaging.

Keywords:

X-ray imaging X-ray tubes high-temperature nanophotonics thermal management thermal radiation

More Related Videos

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Published on: April 30, 2018

Plasmonic Photothermal Cancer Therapy: Nanoparticle-embedded Tumor-tissue-mimicking Phantoms for Visualizing Photothermal Temperature Distribution

Plasmonic Photothermal Cancer Therapy: Nanoparticle-embedded Tumor-tissue-mimicking Phantoms for Visualizing Photothermal Temperature Distribution

Published on: May 9, 2025

Related Experiment Videos

Last Updated: May 13, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Published on: April 30, 2018

Plasmonic Photothermal Cancer Therapy: Nanoparticle-embedded Tumor-tissue-mimicking Phantoms for Visualizing Photothermal Temperature Distribution

Plasmonic Photothermal Cancer Therapy: Nanoparticle-embedded Tumor-tissue-mimicking Phantoms for Visualizing Photothermal Temperature Distribution

Published on: May 9, 2025

Area of Science:

Medical Imaging Physics
Materials Science
Nanotechnology

Background:

X-ray tubes generate X-rays via bremsstrahlung, with over 99% of input power lost as heat in the anode.
Efficient thermal management is essential for developing high-power X-ray tubes with enhanced brightness and spatial coherence for clinical applications like phase-contrast imaging.
Thermal radiation is a limiting factor in cooling the anode in conventional rotating anode X-ray tubes.

Purpose of the Study:

To investigate the potential of nanophotonic patterning to improve heat dissipation in X-ray tube anodes.
To explore how enhanced thermal management can enable higher power operation and finer focal spot sizes.
To demonstrate a novel approach for controlling thermal radiation for optimal performance.

Main Methods:

Predictive modeling and simulation of nanophotonic structures on X-ray tube anodes.
Analysis of heat dissipation enhancement through thermal radiation.
Evaluation of the impact on X-ray tube power, temperature, and focal spot size.

Main Results:

Nanophotonic patterning is predicted to significantly enhance heat dissipation via thermal radiation.
This approach enables X-ray tubes to operate at higher powers without increasing anode temperature.
The focal spot size can be reduced at a constant temperature, improving X-ray spatial coherence.

Conclusions:

Nanophotonic thermal management offers a promising strategy for overcoming thermal limitations in X-ray tubes.
This technology can lead to the development of more powerful X-ray sources with improved imaging capabilities.
Control over thermal radiation spectrum and direction allows for optimized device performance and thermal routing.