Published February 15, 2024 | Version v1
Journal article

Luminal mirror

  • 1. Kansai Institute for Photon Science, National Institutes for Quantum and Radiological Science and Technology (QST), 8-1-7 Umemidai, Kizugawa, Kyoto 619-0215, Japan
  • 2. Extreme Light Infrastructure ERIC, ELI–Beamlines Facility, Za Radnici 835, Dolni Brezany 25241, Czech Republic

Description

When a refractive index modulation of dispersive medium moves at the speed of light in vacuum, an incident electromagnetic wave, depending on its frequency, either is totally transmitted with a phase shift, or forms a standing wave, or is totally reflected with the frequency upshift. The luminal mirror converts a short incident pulse into a wave packet with an infinitely growing in time local frequency near the interface and with an energy spectral density that asymptotically is the inverse square of frequency. If the modulation disappears, the high frequency radiation is released.

Additional details

Publishing Information

Journal Title
Physical Review E
Journal Volume
109
Journal Issue
2
Journal Page Range
4 pgs.
ISSN
1089-3787

Optional Information

Copyright
©2024 American Physical Society
Notes
Record automatically processed