Abstract

Hollow-core photonic crystal fibres (PCF) provide a flexible and powerful platform for optofluidic applications such as photochemistry, sensing, and chiral measurements [1,2]. The determination of the enantiomeric excess of small (sub-microlitre) sample volumes is of great importance for chiral sensing. Here, we aim to increase the sensitivity for the measurement of tiny optical rotation angles and optimize the fibre microstructure for the undisturbed propagation of polarized light.

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