"主要参数:
1激光器
1.1.配置532 nm 单纵模激光器,功率≥75 mW;
1.2.数字化功率控制系统,软件控制532功率连续可调(无需改变激光器电压),内置激光功率计和反馈系统,通过软件可以直接输入样品表面功率,可调精确度0.1 mW。
1.3.配置785nm单纵模激光器,功率≥125 mW;
1.4.数字化功率控制系统,软件控制785nm功率连续可调(无需改变激光器电压),内置激光功率计和反馈系统,通过软件可以直接输入样品表面功率,可调精确度0.1 mW。
1.5.配置1064nm单纵模激光器,功率≥500 mW,手动调整功率;
2研究级开放式蔡司光学显微镜
2.1开放式蔡司显微镜,具有科勒照明系统,配有摄像机观察样品表面。
2.2具有白光科勒照明系统。
2.3软件控制白光照明强度变化。
2.4暗场散射模块,具有暗场散射谱测试功能。
2.5配置常规物镜:5X、50X、100X。
配置明暗场物镜: 20X明暗场物镜,50X明暗场物镜,50X明暗场长焦物镜和100x明暗场物镜,100X 明暗场长焦物镜。
2.6配置XYZ自动平台,扫描范围大于50mm*50mm,最小步长<=25 nm。Z轴移动范围≥30 mm,最小步长<=10nm,可实现2D及3D拉曼快速成像功能。
3光谱探测系统
3.1高灵敏度光谱仪,光谱仪内无任何反射镜损耗信号。
3.2可见近红外优化光谱仪,焦长≥300mm,响应范围:530nm-1100nm,配置1200、600、300刻线光栅全自动切换。
3.3配有一英尺大芯片LDC CCD探测器, QEmax ~95%@800 nm, QEmin>65% from 550 - 950 nm (QE >30% at 350nm),芯片尺寸:2000 x 256 pixel。
3.4近红外优化光谱仪,焦长≥300mm,响应范围:800nm-1600nm,配置600、150刻线光栅全自动切换。
3.5配有InGaAs线阵探测器, 1024x1 pixel, QE >80% @1000-1600 nm
3.6配置拉曼滤光片,532nm低波数优于90 cm-1;785nm超低波数优于65cm-1;1064nm低波数优于120 cm-1。
3.7横向(XY方向)光学空间分辨率:使用100倍干物镜,拉曼成像横向光学分辨率:≤350 nm @ 532 nm。
3.8纵向(Z方向)空间分辨率:使用100倍干物镜,拉曼成像纵向光学分辨率:≤ 900 nm@532 nm。
3.9共聚焦灵敏度:满足空间分辨率3.8和3.9的条件下,硅的三阶拉曼峰(约1440 cm-1)信噪比好于25:1,能清晰地观察到硅的四阶拉曼峰,其中要求无明显的N2和O2拉曼峰;总积分时间不高于300S。
3.10底部透射白光光谱(halogen Lamp)附件,包含:150W 光纤耦合卤素灯,光学耦合器。
3.11高温探针台
温度范围:室温~1000℃;
温度稳定性:±0.5℃
最大升/降温速率:+200℃/min;(at<850℃)
最小制冷/制热速度:±0.1℃/min;
气密腔室,2个快速接头,可冲入氧气,水蒸气等气体
最小物镜工作距离:≤8.5mm;
样品区大小:25mm x 25mm;
五个探针,外壳连接5个同轴BNC接头
腔室高度:6.3mm
探针漏电流:<1nA;
50X 超长焦物镜
3.12配置1800*1200mm的光学平台。
3.13高级数据软件:具有多功能数据处理功能,具有PCA,NMF等高级功能。
3.14计算机:4核酷睿处理器,8GB RAM,1000G硬盘,Windows 7 64位操作系统,27 ”LCD显示器.Windows下光谱专业软件-包括仪器控制,拉曼/荧光/光电流数据采集、计算和处理及曲线拟合,快速生成拉曼图像及图像计算,具有细胞和动物拉曼成像数据分析、化学成分分析等各项功能;数据分析软件可任意安装在多台电脑上。
Main parameters:
1 laser
1.1. configure 532 nm single longitudinal mode laser with power ≥ 75 MW;
1.2 digital power control system, software control 532 power continuously adjustable (without changing the laser voltage), built-in laser power meter and feedback system, through the software can directly input the sample surface power, adjustable accuracy of 0.1 MW.
1.3. Configure 785nm single longitudinal mode laser with power ≥ 125 MW;
1.4. Digital power control system, software control 785nm power continuously adjustable (without changing the laser voltage), built-in laser power meter and feedback system, through the software can directly input the sample surface power, adjustable accuracy of 0.1 MW.
1.5 configure 1064nm single longitudinal mode laser, with power ≥ 500 MW, and manually adjust the power;
2 research grade open Zeiss optical microscope
2.1 open Zeiss microscope, with Kohler lighting system, is equipped with a camera to observe the surface of the sample.
2.2 it has white Kohler lighting system.
2.3 software controls the change of white light illumination intensity.
2.4 dark field scattering module, with dark field scattering spectrum test function.
2.5 configure conventional objective lens: 5x, 50x, 100x .
Configure the light and dark field objective lens: 20x light and dark field objective lens, 50x light and dark field objective lens, 50x light and dark field telephoto objective lens and 100x light and dark field objective lens, 100x light and dark field telephoto objective lens.
2.6 configure XYZ automatic platform, the scanning range is greater than 50mm*50mm, and the minimum step size is < =25 nm. The z-axis movement range is ≥ 30 mm, and the minimum step size is < =10nm, which can realize 2D and 3D Raman fast imaging functions.
3 spectrum detection system
3.1 high sensitivity spectrometer. There is no mirror loss signal in the spectrometer.
3.2 visible near infrared optimized spectrometer, focal length ≥ 300mm, response range: 530nm-1100nm, equipped with 1200, 600, 300 scribed gratings for automatic switching.
3.3 equipped with a one foot large chip LDC CCD detector, qemax ~95%@800 nm, qemin>65% from 550 - 950 nm (QE >30% at 350nm), chip size: 2000 x 256 pixel.
3.4 near infrared optimized spectrometer, focal length ≥ 300mm, response range: 800nm-1600nm, equipped with 600 and 150 scribed gratings for automatic switching.
3.5 equipped with InGaAs linear array detector, 1024x1 pixel, QE >80% @1000-1600 NM
3.6 configure Raman filter, 532nm low wave number is better than 90 cm-1; 785nm ultra-low wave number is better than 65cm-1; 1064nm low wave number is better than 120 cm-1.
3.7 transverse (XY direction) optical spatial resolution: use 100 times dry objective lens, Raman imaging transverse optical resolution: ≤ 350 nm @ 532 nm.
3.8 longitudinal (Z-direction) spatial resolution: use 100 times dry objective lens, Raman imaging longitudinal optical resolution: ≤ 900 nm@532 nm。
3.9 confocal sensitivity: when the spatial resolution is 3.8 and 3.9, the signal-to-noise ratio of the third-order Raman peak (about 1440 cm-1) of silicon is better than 25:1, and the fourth-order Raman peak of silicon can be clearly observed, in which no obvious N2 and O2 Raman peaks are required; The total integration time is not more than 300s.
3.10 bottom transmission white light spectrum (halogen lamp) accessories, including: 150W fiber coupled halogen lamp, optical coupler.
3.11 high temperature probe table
temperature range: room temperature ~ 1000 ℃;
temperature stability: ± 0.5 ℃
maximum temperature rise / drop rate: +200 ℃ /min; (at<850℃)
minimum cooling / heating speed: ± 0.1 ℃ /min;
airtight chamber, 2 quick connectors, which can flush oxygen, steam and other gases
minimum working distance of objective lens: ≤ 8.5mm;
sample area size: 25mm x 25mm;
five probes, and the shell is connected with five coaxial BNC connectors
chamber height: 6.3mm
probe leakage current: < 1NA;
50x ultra long focal lens
3.12 configure 1800*1200mm optical platform.
3.13 advanced data software: it has multi-function data processing function, PCA, NMF and other advanced functions.
3.14 computer: 4-core core processor, 8GB ram, 1000g hard disk, windows 764 bit operating system, 27 ""LCD display Professional spectrum software under windows - including instrument control, Raman / fluorescence / photocurrent data acquisition, calculation and processing, curve fitting, rapid generation of Raman images and image calculation, with various functions such as cell and animal Raman imaging data analysis, chemical composition analysis, etc; Data analysis software can be installed on multiple computers at will."
"1,配置532nm、785nm、1064nm激光器,可实现可见及近红外拉曼和发光的采集(1600nm)。
2,仪器具有超高稳定性和成像速度,同时满足:超快成像速度(最快130条光谱/s),高空间分辨率(xy:350nm,z:850nm),高灵敏度。
3,到达样品上的真实激光功率连续可调,调节精度0.1mw。
1. 532nm, 785nm and 1064nm lasers are configured to realize the acquisition of visible and near-infrared Raman and luminescence (1600nm).
2. The instrument has ultra-high stability and imaging speed, and meets the following requirements: ultra fast imaging speed (the fastest 130 spectra /s), high spatial resolution (xy:350nm, z:850nm), and high sensitivity.
3. The real laser power reaching the sample is continuously adjustable with an adjustment accuracy of 0.1MW."
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