Dual-index optical pump stripper assembly

A light stripper assembly for dissipating a residual optical pump power carried by a pump light propagating in an optical fiber component, the optical fiber component comprising a core, a pump cladding guiding the pump light thereinside and surrounding the core, and an outer cladding surrounding the pump cladding, the outer cladding being removed from the optical fiber component along a lengthwise segment thereof, the light stripper assembly comprising:

• a pump stripper disposed about the lengthwise segment of the optical fiber component, the pump stripper comprising:
• an input guiding region made of a material having a refractive index lower than a refractive index of an outermost periphery of the pump cladding, so that the pump light continues to be guided inside the pump cladding along a portion of the pump stripper;
• and
• a stripping region adjacent to and downstream of the input guiding region, the stripping region being made of a material having a refractive index higher than the refractive index of the outermost periphery of the pump cladding, the stripping region stripping the residual optical pump power from the pump cladding;
• and
• a heat-dissipation packaging structure in thermal contact with the pump stripper, the heat-dissipation packaging structure absorbing and dissipating the residual optical pump power stripped by the stripping region of the pump stripper.