G PHYSICS
G21 NUCLEAR PHYSICS; NUCLEAR ENGINEERING
G21K TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
1/00 Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
G21K1/006 Manipulation of neutral particles by using radiation pressure, e.g. optical levitation