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    • 67. 发明公开
    • METHOD OF SPECTROSCOPIC ANALYSIS OF A DIAMOND AND APPARATUS THEREOF.
    • VERFAHREN ZUR SPEKTROSKOPISCHEN ANALYZE EINES DIAMANTEN UND VORRICHTUNGDAFÜR
    • EP3111199A1
    • 2017-01-04
    • EP14707182.3
    • 2014-02-28
    • Università degli Studi di Milano - Bicocca
    • PALEARI, Alberto Maria FeliceLORENZI, RobertoZULLINO, Andrea
    • G01N21/87
    • G01N21/87G01J3/02G01N21/65G01N21/68
    • A method of spectroscopic analysis of a diamond for determining whether the diamond has been artificially treated to change its colour may include: generating light emission from a diamond upon optical excitation at a wavelength equal to or smaller than 680 nm; optically producing a dispersed light emission; detecting the dispersed light emission across a collected spectral region including emission wavelengths of from 670 nm to 735 nm; processing the output signals to produce a spectral intensity distribution as a function of emission wavelengths; analysing the spectral intensity distribution to determine the presence or absence of a spectral pattern including either an intensity peak at 681 nm or a combination of intensity peaks at respective wavelengths 705 nm and 725 nm; if a spectral pattern is present, establishing that the diamond has been treated; and if a spectral pattern is absent, establishing that the diamond has not been treated.
    • 用于确定金刚石是否被人为地改变其颜色的金刚石的光谱分析方法可以包括:在等于或小于680nm的波长的光激发下从金刚石产生光发射; 光学地产生分散的发光; 检测包括670nm至735nm的发射波长的收集的光谱区域的分散光发射; 处理输出信号以产生作为发射波长的函数的光谱强度分布; 分析光谱强度分布以确定是否存在包括681nm处的强度峰值或各个波长705nm和725nm处的强度峰值的组合的光谱图案; 如果存在光谱模式,则确定钻石已被处理; 并且如果不存在光谱图案,则确定钻石未被处理。