Аннотация:Microstructured optical fibers (MOFs) and photonic crystal fibers (PCFs) offer advanced photonic and microfluidic functionalities in a single, integrated platform. This unique combination constitutes the main axis for the emerging “lab-in-fiber” protocol. The microcapillaries of MOFs and PCFs can be used as a lab bench for attaching molecules, infiltrating nanomaterials or performing photochemical processes, being useful in sensors and actuators development.