INFRARED-LASER SOURCE DEVICE

An infrared-laser source device (10) provided with an external housing (11), said external housing (11) comprising: a light output interface (12) arranged in a front part (F) of the external housing (11), at least one infrared-laser source (14) arranged in a rear part (R) of the external housing (11) and configured to emit an IR-laser beam (B) providing a first emitting area (C1) at the light output interface (12), and a first light distributing element (15) configured to diverge light at the light output interface (12), wherein said infrared-laser source device further comprises a second light distributing element (16) separated from the first light distributing element (15) and providing, at the light output interface (12), a second emitting area (C2) larger than the first emitting area (C1).