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光谱实验室

快速成像显微拉曼光谱仪 Fast-Mapping Micro-Raman Spectrometer (Witec RAS300)

仪器编号:

联系人:陈中/顾丹玉

联系方式:18998382617/13656817706

地址:西湖大学(云栖校区)4号楼220 Room 220, Building 4, Yunqi Campus

开放范围:自主操作:校内;委托测试:校内、校外 Independent-operation :Internal ; Commissioned Service :Internal/External





  • 仪器编号 LHA19120048 规格 2090000
    生产厂家 WITec 型号 Alpha300R
    制造国家 德国 分类号 010410
    放置地点 4号楼220 出厂日期 2018/11/20
    购置日期 2019/12/20 入网时间 2020/01/02
    主要规格及技术指标 1 光谱分辨率(正常测试条件):≤0.8 cm-1;
    2 低波数:473nm:100 cm-1;532nm:10 cm-1,633nm:80 cm-1;
    3 拉曼成像空间分辨率:横向(XY):≤350 nm @ 532 nm;纵向(Z):≤ 900 nm@532 nm
    4 共聚焦灵敏度:硅的三阶拉曼峰(约1440 cm-1)信噪比好于25:1;
    主要功能及特色 WITec高分辨快速成像拉曼光谱仪主要特点为:拉曼高分辨快速成像,单点测试时间可小于1ms,成像空间分辨率:横向(XY):≤350 nm @ 532 nm;纵向(Z):≤ 900 nm@532 nm,并配置有以下功能附件:
    1,激光器:3个激发波长:473nm(25mw);532nm(75mw)和633nm(50mw)
    2,蔡司开放式光学显微镜,配置有暗场散射模块,具有暗场散射谱测试功能;
    3,偏振附件:可测试激发光路和信号光路旋转偏振
    4,自动聚焦附件:可实现粗糙表面拉曼快速成像实时聚焦
    5, 光电流成像附件(含电流源表):光电流成像空间分辨率好于500nm
    6, 冷热变温台:温度范围 -196°- 1500°C,带电学测试功能;
    主要附件及配置



     

  • SOP:https://iscms.westlake.edu.cn/technique/SOP-WITec-Alpha300R.pdf


    样品要求:固体、液体、薄膜材料、高分子等无腐蚀性材料都可以测试,具体每种材料的制样方法参见技术资料。

  •  

    类型

    项目

    细则

    校内

    校外

    说明

    自主上机

    光谱扫描

    拉曼光谱

    240/

    /

    需预约并经过培训和考核;低温测试

    自备液氮

    Mapping

    拉曼成像

    变温测试

    -196℃   ~600℃

    委托测试

    光谱扫描

    拉曼光谱

    360/

    480/

     

    复杂样品等特殊测试,价格需面议

     

    Mapping

    拉曼成像

    变温测试

    -196℃   ~600℃

    液氮4小时内收100元,超出部分按每2小时加收50元计。

    培训

    仪器培训

    一对一/一对二培训;同等内容的第二次培训,收费1.5

    360/

    /

    /

     

  • Instrument No. LHA19120048      Specification             2090000

    Manufacture    WITec                  Model                        Alpha300R

    Made in           Germany               Classification No.       010410

    Location          4#220                    Manufacture date       20/11/2019

    Purchase Date 5/8/2019                Internet access time    2/1/2010

    Main Technical specifications

    1. Spectral resolution (normal measurement) : ≤ 0.8cm-1;

    2. Low wavenumber: 473nm: 100 cm-1; 532nm: 10 cm-1; 633 nm: 80 cm-1;

    3. Spatial resolution of Raman mapping: transverse (XY) : ≤350 nm @ 532 nm; Longitudinal (Z) : ≤ 900 nm@532 nm

    4. Confocal sensitivity: SNR of the silicon third-order Raman peak (approx. 1440 cm-1) was better than 25:1;

    Main functions and features

    The main characteristics of WITec high resolution fast mapping Mircro-Raman spectrometer are: high resolution and fast Raman mapping, single point test time less than 1ms, mapping spatial resolution: transverse (XY) : ≤350 nm @ 532 nm; Longitudinal (Z) : ≤ 900 nm@532 nm, and equipped with the following functional accessories:

    1. Laser: three excitation wavelengths: 473nm (25mw); 532nm (75mw) and 633nm (50mw)

    2. Zeiss open optical microscope, equipped with a dark field scattering module to measure dark field scattering spectrum;

    3. Polarization accessory: Measure rotate polarization of the excitation light path and signal light path

    4. Automatic focusing accessory: Fast Raman mapping together with real-time focusing on rough surface

    5. Photocurrent mapping accessories (including current source): the spatial resolution of photocurrent mapping is better than 500nm

    6. Cold and heat temperature-control system: temperature range: -196° -600 °C, combined with electrical testing function;



  • Information:


    Sample requirements: All solid, liquid, film material, polymerss and other non-corrosive materials can be tested. Please refer to the technical information for the specific sample preparation method of each material.


  •  

    Operation Types

    Items

    Requirements

    Internal prices

    External prices

    Comments

    Independent   operation

    Spectrum   scanning

    Single   spectrum

    ¥240/hour

    /

    After being well-trained and authorized,   Make an appointment online

    Mapping

    Raman   mapping

    Temperature-control   measurement

    -196℃   ~600℃

    Commissioned   test

    Spectrum   scanning

    Single   spectrum

    ¥360/hour

    ¥480/hour

    For special measurement such as   complex samples, the price should be negotiable

    Mapping

    Raman   mapping

    Temperature-control   measurement

    -196℃   ~600℃

    Charge ¥100 within 4 hours for liquid   nitrogen, and extra time will be charged as ¥50/2 h

    Training

    Instrument   training

    One-on-one   or one-on-two training. The first training session is normal charge. Any   subsequent training for the same instrument will be charged as a rate of 1.5 times.  

    ¥360/hour

    /

    /