期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 69, 期 12, 页码 9805-9812出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2020.3005275
关键词
Optical polarization; optical retardation; optical retarders; polarimetry; Stokes parameters
资金
- National Research Foundation (NRF) [2019R1A2B5B01069580, 2019R1A6A1A09031717, 2019H1A2A1074764]
- Korea Display Research Consortium (KDRC), Ministry of Trade, Industry, and Energy (MOTIE) [10051334]
- National Research Foundation of Korea [2019H1A2A1074764] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In-plane retardation and out-of-plane retardation by optically anisotropic medium are generally measured with the Mueller polarimeter. We proposed a method for measuring the in-plane retardation and out-of-plane retardation using the Stokes polarimeter. The suggested method requires no polarization state generator, simplifying the measurement system. The retardation measured with the Stokes polarimeter was compared with the data measured with the Mueller polarimeter, and their difference was less than 2.5 nm (0.005 lambda). In addition, the suggested method can find the orientation of the slow axis of the retarder and the order of retardation. Although the conventional methods require measurements at multiple wavelengths to distinguish the order of the retardation, the suggested method can find the exact retardation using data at a single wavelength of light.
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