Thread: Could be a laser beam used as an antena to detect EM waves?

Could be a laser beam used as an antena to detect EM waves?... If yes how it could be designed the whole system?

You asked this in another thread.

The answer is no. Photons do not interact with other photons.

But yes gravitional waves..isn´t it?

Yes, gravity waves should effect lasers. LIGO (LIGO - Laser Interferometer Gravitational Wave Observatory LIGO - Laser Interferometer Gravitational Wave Observatory) is using lasers in their attempts to detect gravitational waves.