A light source includes light generator and light filter. The light generator is used to generate a first light beam. The first light beam has a continuous spectrum with a spectral range from 600 nm to 1500 nm. The light filter is located on the propagation path of the first light beam, and the first light beam is filtered by the light filter. This invention further provides an optical coherence tomography using the same.一種光源,包括:光發生器、光濾波器。所述光發生器用於產生第一光束,該第一光束具有連續光譜,光譜範圍為600~1500nm。所述光濾波器設置於所述第一光束的傳播路徑,對該第一光束進行濾波。本發明進一步提供一種應用該光源的光學同調斷層掃描系統。100‧‧‧光源110‧‧‧光發生器120‧‧‧光濾波器122‧‧‧窄帶濾光片
