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POLARIZING GLASS PLATE AND METHOD FOR MANUFACTURING SAME, POLARIZING GLASS PLATE SET FOR OPTICAL ISOLATOR, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT FOR OPTICAL ISOLATOR
POLARIZING GLASS PLATE AND METHOD FOR MANUFACTURING SAME, POLARIZING GLASS PLATE SET FOR OPTICAL ISOLATOR, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT FOR OPTICAL ISOLATOR
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机译:偏振玻璃板及其制造方法,用于光学隔离器的偏振玻璃板套件以及用于光学隔离器的光学元件的制造方法
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摘要
A method of manufacturing a polarizing glass sheet includes subjecting, while heating, a glass preform sheet containing metal halide particles to down-drawing, to thereby provide a glass member having stretched metal halide particles dispersed in an aligned manner in a glass matrix, and subjecting the glass member to reduction treatment to reduce the stretched metal halide particles, to thereby provide a polarizing glass sheet. A shape of the glass preform sheet during the down-drawing satisfies a relationship of the following expression:; L1/W1≧1.0;where L1 represents a length between a portion in which a width of the glass preform sheet has changed to 0.8 times an original width and a portion in which the width of the glass preform sheet has changed to 0.2 times the original width W0, and W1 represents a length equivalent to 0.5 times the original width W0 of the glass preform sheet.
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机译:偏光玻璃板的制造方法包括:一边加热一边对含有金属卤化物颗粒的玻璃预成型坯板进行下拉拉伸,从而得到具有以取向方式分散在玻璃基质中的拉伸的金属卤化物颗粒的玻璃部件;以及对玻璃构件进行还原处理以还原拉伸的金属卤化物颗粒,从而提供偏光玻璃板。下拉时的玻璃预成型坯的形状满足下式的关系: <?in-line-formulae description =“在线公式” end =“线索”?> L I> 1 Sub> / W I> 1 Sub>≧1.0 <?in-line-formulae description =“ In-line Formulae” end =“ tail”?>;其中L 1 Sub>表示玻璃预成型片的宽度已变为原始宽度的0.8倍,并且玻璃预成型片的宽度已变为原始宽度W 0 Sub>和W 1 Sub>表示的长度等于玻璃预成型坯板原始宽度W 0 Sub>的0.5倍。
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