... semiconductor laser 2, loq cost and long life 3small optical experiment platform 600*400*500mm3 F-QX-2 Semiconductor laser hologram ... Michelson interferometer. Features of the instruments: 1.Using semiconductor laser as the light source (650nm, 25mW) which has ... set of equipment: Small optical experimental platform, the semiconductor laser, beam splitters, mirrors, power timer, mirror beam expander, ...