Time-Resolved Four-Channel Jones Matrix Measurement of Birefringent Materials Using an Ultrafast Laser

Author:

Cheng Zhenjia,Zhang Yuqin,Liu Xuan,Guo Chengshan,He Changwei,Liu Guiyuan,Song Hongsheng

Abstract

A method for ultrafast time-resolved four-channel Jones matrix measurement of birefringent materials using an ultrafast laser is investigated. This facilitated the acquisition of a four-channel angular multiplexing hologram in a single shot. The Jones matrix information of a birefringent sample was retrieved from the spatial spectrum of a hologram. The feasibility of this approach was established by measuring the Jones matrix of starch granules in microfluidic chips and the complex amplitude distribution and phase delay distribution of liquid crystal cell at different voltages. Moreover, when the picosecond laser was switched to a femtosecond laser, ultrafast measurements were possible provided that the time interval between two detection pulses was larger than the pulse width.

Funder

National Natural Science Foundation of China

Doctor Foundation of Shandong Jianzhu University

Publisher

MDPI AG

Subject

General Materials Science

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