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  2. Wide range two-dimensional birefringence evaluation device WPA-200 (Ryokosha Co., Ltd.)
Wide range two-dimensional birefringence evaluation device WPA-200-WPA-200
Wide range two-dimensional birefringence evaluation device WPA-200-Ryokosha Co., Ltd.

Wide range two-dimensional birefringence evaluation device WPA-200
Ryokosha Co., Ltd.

About This Product

■Summary

Visualize the true phase difference distribution beyond the limits of the measurement range. Instantly visualize the birefringence distribution of transparent molded products such as lenses, optical discs, and Doko plates.

■Features

・High-speed quantitative evaluation of large phase difference distributions exceeding 1,000 nm ・Various display functions for phase difference distribution ・Various graph display and analysis functions ・Comes with easy-to-use dedicated software PA-View ・Data output in text and csv format ・Easy operation with button clicks

■Basic principle: Principle of measuring high-order phase difference

The PA-200's upper limit for retardation measurement is 130nm, but there was a request to evaluate the surface distribution of an even larger retardation. Therefore, we developed a newly developed wide-range polarized light image sensor and succeeded in doubling the measurement limit to approximately 260 nm.A wide-range polarized light image sensor not only has a wide measurement range but also a wide operating wavelength range. It has the following characteristics. The WPA-200 enables multi-wavelength measurements by combining a wide-range polarized image sensor, a variable wavelength filter, and a broadband LED light source.The results measured at multiple wavelengths are compared using a rigorous optical calculation algorithm. By performing calculations, it is now possible to measure even larger phase differences. Operating the WPA-200 is as simple as the PA-200. First, photograph the light source without placing the object to be measured. All you have to do is place the sample on it and click the measurement button to measure the birefringence distribution over the entire surface of the sample one after another.

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    Wide range two-dimensional birefringence evaluation device WPA-200

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1 Models of Wide range two-dimensional birefringence evaluation device WPA-200

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Wide range two-dimensional birefringence evaluation device WPA-200-Part Number-WPA-200

WPA-200

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Ryokosha Co., Ltd.

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