General Relativity and Gravitation

, Volume 22, Issue 12, pp 1447–1455 | Cite as

Using gravitational lenses to detect gravitational waves

  • B. Allen
Research Articles


Gravitational lenses could be used to detect gravitational waves, because a gravitational wave affects the travel-time of a light ray. In a gravitational lens, this effect produces time-delays between the different images. Thus the bending of light, which was the first experimental confirmation of Einstein's theory, can be used to search for gravitational waves, which are the most poorly confirmed aspect of that same theory. Applying this method to the gravitational lens 0957+561 gives new upper bounds on the amplitude of low-frequency gravitational waves in the universe, and new limits on the energy-density during an early “inflationary” phase.


Differential Geometry Gravitational Wave Experimental Confirmation Gravitational Lens 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • B. Allen
    • 1
  1. 1.Department of PhysicsUniversity of Wisconsin at MilwaukeeMilwaukeeUSA

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