Design of a multi-channel polarization-preserving optical system for the KSTAR motional Stark effect diagnostic

Lee, Kyuhang; Ko, Jinseok; Jo, Jae Heung; Chung, Jae-Hoon

doi:10.1016/j.fusengdes.2017.05.079

Cited by 7 publications

(1 citation statement)

References 14 publications

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“…The required accuracy and precision on the orientation of the transmission axis of the polarizer depends on the application. For instance, the transmission axis of a linear polarizer should be determined with an accuracy of a few tenths of a degree when it is used in a calibration procedure for a diagnostic system that measures the linear polarization angle of light signals from a magn etically confined toroidal plasma device [2,3].…”

Section: Introductionmentioning

confidence: 99%

A very simple and accurate way to measure the transmission axis of a linear polarizer

2019

Meas. Sci. Technol.

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A simple and practical method is introduced to obtain the transmission axis of a linear polarizer. The method utilizes non-normal incidence of light through the polarizer whose transmission axis needs to be measured. In the measurement process, a scan of either the vertical or horizontal tilt of the polarizer is performed to impose intentional misalignment on the optical train, and the apparent polarization angles after the polarizer are measured over the scan by a conventional polarimeter. The experimental data is fit based on the mathematical model established by a chain of matrices that characterizes the propagation and interaction of the polarized light to obtain the transmission axis of the polarizer with high precision and accuracy. An example of the practice demonstrates this methodology can infer the transmission axis of the polarizer with an accuracy of a tenth of a degree.

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Section: Introductionmentioning

confidence: 99%

A very simple and accurate way to measure the transmission axis of a linear polarizer

2019

Meas. Sci. Technol.

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Multi-channel analog lock-in system for real-time motional Stark effect measurements

Chung

2020

Fusion Engineering and Design

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Development of a remote automatic in-vessel calibration system for KSTAR motional Stark effect diagnostics

Ko,

Kim

2024

Fusion Engineering and Design

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Design of a multi-channel polarization-preserving optical system for the KSTAR motional Stark effect diagnostic

Cited by 7 publications

References 14 publications

A very simple and accurate way to measure the transmission axis of a linear polarizer

A very simple and accurate way to measure the transmission axis of a linear polarizer

Multi-channel analog lock-in system for real-time motional Stark effect measurements

Development of a remote automatic in-vessel calibration system for KSTAR motional Stark effect diagnostics

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