A light source apparatus comprising: a first light source including a first laser diode and a first collimating lens which corresponds to said first laser diode, a second light source including a second laser diode and a second collimating lens which corresponds to said second laser diode, a condenser lens which condenses lights emitted from said light sources (10A, 10B), and a phosphor wheel having one or more phosphors, said phosphor wheel transmitting a light which is emitted from said condenser lens, wherein with respect to each of the first and second light sources (10A, 10B), said collimating lens and said laser diode are placed with a first shift such that an optical axis of said collimating lens is shifted from an optical axis of a light emitted from said laser diode in the direction perpendicular to the optical axis of the emitted light, in such a manner that the light from the first light source and the light from the second source are condensed onto different positions on the phosphor wheel by the condenser lens while the light from the first light source forms a beam shape at the condensed point on the phosphor wheel, a direction of a short axis of the beam shape being placed in a first direction, and the light from the second light source forms a beam shape at the condensed point on the phosphor wheel, a direction of a short axis of the beam shape being placed in a second direction which is different from the first direction, the first shift with respect to the first light source and the first shift with respect to the second light source being identical to or different from each other, and wherein said first collimating lens and said second collimating lens are placed with a second shift from each other in a direction of the optical axis of said collimating lens while each of the first and second collimating lens (13A, 13B) is placed at a position shifted from its focusing position. a first light source including a first laser diode and a first collimating lens which corresponds to said first laser diode, a second light source including a second laser diode and a second collimating lens which corresponds to said second laser diode, a condenser lens which condenses lights emitted from said light sources (10A, 10B), and a phosphor wheel having one or more phosphors, said phosphor wheel transmitting a light which is emitted from said condenser lens, wherein with respect to each of the first and second light sources (10A, 10B), said collimating lens and said laser diode are placed with a first shift such that an optical axis of said collimating lens is shifted from an optical axis of a light emitted from said laser diode in the direction perpendicular to the optical axis of the emitted light, in such a manner that the light from the first light source and the light from the second source are condensed onto different positions on the phosphor wheel by the condenser lens while the light from the first light source forms a beam shape at the condensed point on the phosphor wheel, a direction of a short axis of the beam shape being placed in a first direction, and the light from the second light source forms a beam shape at the condensed point on the phosphor wheel, a direction of a short axis of the beam shape being placed in a second direction which is different from the first direction, the first shift with respect to the first light source and the first shift with respect to the second light source being identical to or different from each other, and wherein said first collimating lens and said second collimating lens are placed with a second shift from each other in a direction of the optical axis of said collimating lens while each of the first and second collimating lens (13A, 13B) is placed at a position shifted from its focusing position.