Oh, a very distinctive fingerprint! Big powerful EM spike at 564 Terahertz. Trouble is, it comes out in a tight collimated beam...
In all seriousness - besides the light, I wouldn't expect any emissions of any kind really. It's a DC battery and a diode. The only oscillator is the laser cavity.
In all seriousness - besides the light, I wouldn't expect any emissions of any kind really. It's a DC battery and a diode. The only oscillator is the laser cavity.