拉曼光谱(JY)

1、 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 为您的研究与分析提供先进工具与解决方案为您的研究与分析提供先进工具与解决方案 2012 HORIBA Scientific. All rights reserved. LabRAM HR Evolution 新一代高分辨拉曼- P L 光谱仪 遇聪 北方区销售经理 2012年11月14日/北航 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. HORIBA Jobin Yvon 公司介绍 总部: 法国 主要产品线 光栅 拉曼光谱仪 椭偏光谱仪 荧光光谱仪 I C P V U V 真空紫外 搭建光谱系统 在北京、上海、广州设有直接的分支机构 北京- 产品应用中心 上海- 产品应用中心 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific

2、. All rights reserved. HORIBA Jobin Yvon 主要产品线HORIBA Jobin Yvon 主要产品线 光栅 搭建光谱系统荧光光谱仪 椭偏光谱仪 拉曼光谱仪 ICP 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. JOBIN YVON 核心技术 : 光栅 The World leader in the Design and Manufacturing of Holographic Gratings Since 1960 The World leader in the Design and Manufacturing of Holographic Gratings Since 1960 HORIBA Jobin Yvon provides the most outstanding Diffraction Gratings for high end research and industry - Space , VUV , and hi

3、gh energy ( MegaJoule applications - Major OEM manufacturer 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. NASA Award Commitment to Excellence in Technology Achievement “in recognition of your holographic gratings for the COS instrument that will enable a new generation of scientific exploration for the Hubble Space Telescope and every person who looks to the sky in wonder the gratings were delivered above the specification, on time and within cost” Prof. J.

4、Green, NASA 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. JOBIN YVON Technology : Raman & PL The Specialist in RAMAN Spectroscopy Since 1960 The Specialist in RAMAN Spectroscopy Since 1960 HORIBA Jobin Yvon provides state-of-the-art Raman Spectrometer combining the extensive know how of : Jobin Yvon Dilor - SPEX 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 新一代高分辨拉曼光谱仪 LabRAM HR LabRAM HR -Evo 全新升级 2009 HORIBA, Ltd. All

5、rights reserved. 2012 HORIBA Scientific. All rights reserved. 拉曼光谱仪组成： 激光 样品 滤光装置 光栅 探测器 瑞利滤光片（去除瑞利散射光 颜色不发生改变的光） 耦合光路- 光照射到样品，收集散 射光 （大光路和显微光路） 光源（激光） 光谱仪和探测器 一般为单光栅光谱仪和C C D 探测器 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 光谱仪焦长：8 0 0 mm Detector plane l1 l2 l1 l2 F2= 800mm Detector plane F1=300mm b LabRAM HR-Evolution 新一代高分辨拉曼-PL光谱仪 适用于宽光谱范围拉曼-PL光谱显微测试要求 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. LabRAM HR-Evoluti

6、on 性能概括 n 1 - 高光谱分辨率 n 2 - 共焦性能- 三维空间滤波 n 3 - 可操作性- 激发波长 n 4 - 高灵敏度 n 5 - 高自动化性能 n 6 - 灵活的扩展能力 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 1-光谱分辨率 x103 5 10 15 20 25 Intensity (cnt) 540550560570580 Wavelength (nm) ccl4-1800 ccl4-600 x103 0 5 10 15 20 25 Intensity (cnt) 544.5545.0545.5546.0546.5547.0 Wavelength (nm) ccl4-1800 ccl4-600 普通分辨率（其它仪器） 高分辨率（LabRAM HR) 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 拉曼研究最重要的是确定峰

7、位 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 微小的频移变化需要高光谱分辨率 Geochimica et Cosmochimica Acta, Vol. 69, No. 17, pp. 43014313, 2005 LabRAM HR 光栅：1800g/mm 激发波长：632.8nm 积分时间：30s 激光功率：17mW CARMEN SANCHEZ-VALLE Laboratoire de Sciences de la Terre 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 吉林大学样品 0 1 000 2 000 3 000 4 000 5 000 6 000 7 000 Intensity (cnt) 2004006008001 0001 2001 4001 6001 800 Raman Shift (cm -1) CaCO3-180

8、0 CaCO3-600 红色：普通分辨率模式 兰色：高分辨率模式 190200210220230240 Raman Shift (cm-1) CaCO3-1800 CaCO3-600 光谱分辨率 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 观测高压相变需要高光谱分辨率 低分辨率拉曼结果低分辨率拉曼结果高分辨率拉曼结果高分辨率拉曼结果 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 光谱分辨率 R* 1/(FxN) N1l l1 1max=N2l l2max Dn Dn (cm-1)=10107 7x(1/l1/l2 2) )xDlDl F : 光谱仪焦长 N: 光栅刻线密度 光谱分辨率 光谱仪焦长 光栅刻线密度 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All r

9、ights reserved. 光谱分辨率的决定因素 光谱仪焦长与分辨率的关系 Detector plane l1 l2 l1 l2 F2= 800mm Detector plane F1=300mm b 光栅刻线数与分辨率的关系 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 光栅刻线密度与光谱范围 拉曼光谱范围：0 4 0 0 0 c m- 1 光栅刻线密度（gr/mm） 光谱测量范围（cm-1） 激发波长（nm） 02 0 0 04 0 0 06 0 0 08 0 0 01 0 0 0 0 1 8 0 0 2 4 0 0 3 0 0 0 7 8 5 6 3 3 5 3 2 5 1 4 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 增加光谱仪焦长以提高光谱分辨率是最佳选择 光谱仪的焦长：250mm、300mm、460mm、800mm2m LabRAM HR- Evolution 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. 不同焦长的拉曼光谱仪 XploRAAramisLabRAM HR- Evolution T64000 光谱仪焦长 2009 HORIBA, Ltd. All rights reserved. 2012 HORIBA Scientific. All rights reserved. LabRAM HR-Evolution 性能概括 n 1 - 高光谱分辨率 n 2 - 共焦性能- 三维空间滤波 n 3 - 可操作性- 激发波长 n 4 - 高灵敏度 n 5 - 高自动化性能 n 6 - 灵活的扩展能力 2009 HORIBA, Ltd. All rights reserved. 20

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