Particle beams, weather and salt water

Are particle-beam weapons other than lasers being considered?

Electron and other beam concepts face difficulties with thermal blooming, salt water and weather.

Electron systems are among the beam-weapon ideas mentioned, without a developed alternative to lasers being explained. Thermal blooming is a recurring difficulty. Salt water and weather also constrain operation at sea. A system working in Middle Eastern conditions still needs to prove itself in Pacific weather.