近红外光谱的市场需求不断增长,促使滨松光子学株式会社设计并开发了漫反射光源 (L16462-01)。这款新光源能以波长达 2,500 nm 的近红外光照射到样品上,并能高效收集漫反射光 (*1)。
到目前为止,1,700 nm 到 2,500 nm 波长范围内的光强度通常太弱,无法使用近红外光谱进行实时成分分析。这款漫反射光源能提高该波长范围内的光利用效率。将这款漫反射光源与我们的高灵敏度 FTIR (*2) 光谱仪引擎相结合,可以实现在食品、药品和塑料产品生产线上易于安装的紧凑型便携式 FTIR 分析仪。这不仅能自动执行质量控制流程,还能提高生产效率与质量控制可靠性。L16462-01 在对含有脂肪和蛋白质等的样品进行分析时也具有更高的精度。此外,若将其用于对塑料进行筛选和分类的应用,将推动塑料的回收。
这款漫反射光源将于 2023 年 2 月 1 日星期三开始面向食品、药品和塑料产品制造设备的国内外制造商进行销售。我们还将在“SPIE Photonics West 2023”会议上展出这款光源,该会议是关于光子学和相关技术的国际会议,将于 2023 年 1 月 31 日(星期二)至 2 月 2 日(星期四)在美国加利福尼亚州的旧金山举行。
*1:漫反射光是指样品受到光照时,在样品内部通过折射和透射而进行反复漫射后从样品表面发射的光。漫反射光用于分析表面不规则的不透明样品,例如食品和粉末产品。
*2:FTIR 表示 Fourier transform infrared(傅里叶变换红外线),它是最受欢迎的红外光谱类型之一。FTIR 光谱仪可以向样品照射红外光,然后测量各波长透射光或反射光的强度,由此对样品中所含化学成分的类型和数量进行分析和识别。
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