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Study on the CD and ORD of the Crystal NaClO_3

By 陶卫东, 章慧, 方雪明, 王芳, 张子方 and 白贵儒


用标准水溶液法生长出氯酸钠晶体,并通过切割、抛光,获得了尺寸为10.9mm×8.2mm×4.7mm的透明、规则的氯酸钠晶体。沿六个垂直晶体表面的方向对氯酸钠晶体进行了圆二色性CD光谱及UV光谱的测定,同时采用自制的旋光色散仪对其在上述6个方向的旋光色散特性进行了研究。首次从实验上证实,在紫外区域,氯酸钠晶体在各个方向上均表现出相同的圆二色性;在可见光区域,氯酸钠晶体在各个方向上均表现出相同的旋光色散特性,这一现象与另外一种手性晶体水晶显然是不同的。Chiral isotropy material should be obtained in order to manufacture chiral optical waveguide. In the present paper, a chiral crystal of NaClO_3 was grown from water solution by standard rocking techniques. Crystal incising and optical polishing were done and a transparent 10.9 mm× 8.2 mm× 4.7 mm crystal NaClO_3 was obtained. Along the six directions perpendicular to the surface of the crystal NaClO_3, its circular dichroism and UV spectra were collected, and at the same time its optical rotatory dispersion was measured by a self-fabricated ORD apparatus. It was approved by our experiment that the CD, UV spectrum and the optical rotatory dispersion of the crystal NaClO_3 were isotropic, which is not the same as those of quartz.国家自然科学基金(20171037,60307003);; 浙江省教育厅(20030436);; 浙江省高校青年教师资助计划;; 厦门大学校内预研基金(B类,2003XDYY39)资

Topics: 氯酸钠晶体, 各向同性, 圆二色性, 旋光色散特性, Crystal NaClO_3, Isotropy, Circular dichroism, Optical rotatory dispersion
Year: 2006
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