A light emitting apparatus (1000, 1000A), comprising: a light source unit (200, 200A) emitting a plurality of laser beams; a light transmission unit (300, 300A) gathering the laser beams emitted from the light source unit (200, 200A) into a single beam and outputting the single beam to a single focus; a wavelength conversion unit converting a wavelength of the single beam on the focus; and a housing receiving the light source unit (200, 200A), the light transmission unit (300, 300A), and the wavelength conversion unit, wherein the light source unit (200, 200A) comprises: a first laser light source emitting a first beam, which is one of the laser beams; a second laser light source emitting a second beam, which is another of the laser beams and proceeds parallel to the first beam; a light source base fixing the first and second laser light sources (212, 214) and having recesses; a first lens holder, the first laser light source being disposed between the light source base and the first lens holder, and a second lens holder, the second laser light source being disposed between the light source base and the second lens holder, wherein the first lens holder tightly pushes the first laser light source against the light source base, wherein the second lens holder tightly pushes the second laser light source against the light source base, and wherein the first and second lens holders (252, 254) are fitted into the recesses so as to be fixed in the recesses. a light source unit (200, 200A) emitting a plurality of laser beams; a light transmission unit (300, 300A) gathering the laser beams emitted from the light source unit (200, 200A) into a single beam and outputting the single beam to a single focus; a wavelength conversion unit converting a wavelength of the single beam on the focus; and a housing receiving the light source unit (200, 200A), the light transmission unit (300, 300A), and the wavelength conversion unit, wherein the light source unit (200, 200A) comprises: a first laser light source emitting a first beam, which is one of the laser beams; a second laser light source emitting a second beam, which is another of the laser beams and proceeds parallel to the first beam; a light source base fixing the first and second laser light sources (212, 214) and having recesses; a first lens holder, the first laser light source being disposed between the light source base and the first lens holder, and a second lens holder, the second laser light source being disposed between the light source base and the second lens holder, a first laser light source emitting a first beam, which is one of the laser beams; a second laser light source emitting a second beam, which is another of the laser beams and proceeds parallel to the first beam; a light source base fixing the first and second laser light sources (212, 214) and having recesses; a first lens holder, the first laser light source being disposed between the light source base and the first lens holder, and a second lens holder, the second laser light source being disposed between the light source base and the second lens holder, wherein the first lens holder tightly pushes the first laser light source against the light source base, wherein the second lens holder tightly pushes the second laser light source against the light source base, and wherein the first and second lens holders (252, 254) are fitted into the recesses so as to be fixed in the recesses.