An illumination fiber optics is provided that includes an optical fiber, configured to receive illumination light at a proximal end from a light source； and a light-scattering element, at a distal end of the optical fiber, configured to receive the illumination light from the optical fiber at a proximal end and to emit the illumination light at a distal end in a wide angle. The illumination fiber optics can be prepared by providing an optical fiber, configured to receive illumination light at a proximal end from a light source； and creating a light-scattering element at a distal end of the optical fiber, configured to receive the illumination light from the optical fiber at a proximal end and to emit the illumination light at a distal end in a wide angle.本發明提供了一種照明光纖光學裝置，該照明光纖光學裝置包括被配置成用於以近端接收來自光源的照明光的光導纖維(optical fiber)。以及位於該光導纖維的遠端的光散射元件，該光散射元件被配置成用於以近端接收來自該光導纖維的照明光並且以遠端用大角度發射該照明光。可以藉由提供光導纖維來製備該照明光纖光學裝置，該光導纖維被配置成用於以近端接收來自光源的照明光；並且在該光導纖維的遠端產生光散射元件，該光散射元件被配置成用於以近端接收來自該光導纖維的照明光並且以遠端用大角度發射該照明光。
