Splitter-Based Sensors Realized via POFs Coupled by a Micro-Trench Filled with a Molecularly Imprinted Polymer oleh Ines Tavoletta, Francesco Arcadio, Luca Pasquale Renzullo, Giuseppe Oliva, Domenico Del Prete, Debora Verolla, Chiara Marzano, Giancarla Alberti, Maria Pesavento, Luigi Zeni, Nunzio Cennamo