Broadband radiation generator based on hollow-core fiber with extended fiber lifetime

An optical component for a broadband light source device is disclosed, the optical component configured for generating a broadband output upon receiving pump radiation, and the optical component comprising a hollow-core photonic crystal fiber (HC-PCF); and a gas mixture filling the HC-PCF wherein the gas mixture comprises a mixture of at least one first gas configured for the generation of the broadband radiation and at least one second gas comprising or consisting of helium. 披露了一种用于宽带光源装置的光学部件，该光学部件被配置为用于在接收泵浦辐射时产生宽带输出，并且该光学部件包括空芯光子晶体光纤(HC-PCF)；和填充该HC-PCF的气体混合物，其中，所述气体混合物包括至少一种第一气体和至少一种第二气体的混合物，所述至少一种第一气体被配置为用于所述宽带辐射的产生，所述至少一种第二气体包括氦气或由氦气组成。