Disposable light sources (140) are disclosed herein. A device for connecting a fiber (300) to a light source (140) includes a light source (140), light director (200) to focus light from the light source (140), the light director (200) surrounding at least a portion of the light source (140), a power source providing energy to the light source (140), and a connector (280) communicating light from the light source (140) to a catheter (320).
