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Related Concept Videos

Radiation Pressure: Problem Solving01:09

Radiation Pressure: Problem Solving

The radiation pressure applied by an electromagnetic wave on a perfectly absorbing surface equals the energy density of the wave. The wave's momentum also gets transferred to the surface when an electromagnetic wave is entirely absorbed by it. The rate at which momentum is transmitted to an absorbing surface perpendicular to the propagation direction equals the force on the surface.
The average value of the rate of momentum transfer divided by the absorbing area represents the average force per...
Radiation: Applications01:17

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Absorption of Radiation01:05

Absorption of Radiation

The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:

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Related Experiment Video

Updated: Jul 7, 2026

Single-Digit Nanometer Electron-Beam Lithography with an Aberration-Corrected Scanning Transmission Electron Microscope
10:25

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Published on: September 14, 2018

Radiation-induced wave-front aberrations: a new approach.

A I Gusarov, D B Doyle

    Applied Optics
    |February 13, 2008
    PubMed
    Summary

    Gamma radiation causes significant wave-front aberrations in optical systems. Measuring dose coefficients for specific glasses confirms this, highlighting the need to consider radiation effects in space optics.

    Area of Science:

    • Optical Engineering
    • Materials Science
    • Radiation Physics

    Background:

    • Optical systems in space are exposed to significant gamma radiation.
    • Wave-front aberrations can degrade the performance of diffraction-limited optical systems.
    • Understanding radiation-induced effects is crucial for designing robust space optics.

    Purpose of the Study:

    • To present experimental evidence of gamma radiation-induced wave-front aberrations.
    • To quantify these aberrations using a phenomenological approach with dose coefficients.
    • To assess the relevance of these aberrations for radiation-hardened glasses in space applications.

    Main Methods:

    • Experimental investigation of gamma radiation effects on optical systems.
    • Application of a phenomenological approach based on dose coefficients.

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  • Measurement of dose coefficients for LaK9 and LaK9G15 optical glasses.

    • Main Results:

    • Gamma radiation causes significant wave-front aberrations in optical systems.
    • The dose coefficient approach effectively quantifies radiation-induced aberrations.
    • Measured dose coefficients for LaK9 and LaK9G15 glasses validate the methodology.

    Conclusions:

    • Radiation-induced wave-front aberrations are a significant concern for optical systems.
    • The dose coefficient method provides accurate quantification for diffraction-limited systems.
    • Effects must be considered for space optical systems, even those using radiation-hardened glasses.