Photoelastic Equipment for All Visible Region of Light
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概要
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A new photoelastic equipment is made on trial for all visible region of light. A common equipment has two quarter wave plates which satisfy only for a monochromatic light. New equipment has two sets of composite quarter wave plates for all visible region of light. Its set is also composed of a right and left handed circular polarizers. The composite quarter wave plate consists of two phase plates which have suitable retardations and can be easily made from two sheets of transparent polymer. They are adaptable for various wave lengths by changing azimuth angles of phase plates. Their angles can be calculated or cited the numerical tables of composite quarter plates. Its equipment can be also used in the bright and dark field by 90° rotation of the analyzer. We could take several photoelastic photographs by changing color under same conditions except photoelastic sensitivity.
- 日本実験力学会の論文
日本実験力学会 | 論文
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