An eye-safe light source that has a long lifetime and includes a lid which is not easily separated from a container is implemented. A transparent resin layer that seals a semiconductor laser fixes a cover to a package. A recess part that includes a bottom surface on which the semiconductor laser is mounted, a reflective surface on which laser light is reflected, and an opening through which the reflected laser light is radiated is disposed in the package. The cover covers the opening, and the transparent resin layer is disposed in the recess part.