The laser oscillation device and a laser oscillation device

In general, the semiconductor laser device of the present invention comprises an emitting element comprising a doped diamond, which is doped with atoms of at least one rare earth metal and/or molecules of at least one compound containing a rare earth metal. The semiconductor laser device assembly according to the present invention comprises an emitting element of a doped diamond, which is a diamond doped with atoms of at least one rare earth metal and/or molecules of at least one compound containing a rare earth metal, and a thermal releasing element of a substantially undoped diamond, on which the semiconductor laser device are placed.