2018年9月6日星期四

Micro Raman Spectroscopy System


Micro Raman Spectroscopy System

Micro Raman spectrum measurement system with visualization of accurate positioning make the detection of the Raman signal on different surface of samples possible, and the state of micro area is displayed on the computer at the same time. The system is consist of optimizing confocal microscopic module and high quality Raman detection system, with precision of optical design matching the infinity of micro optical system, optimization of optical path design and flexible module combination. Besides, CNI sincerely provides with high quality laser and spectrometer equipment which can meet customers’ demand.

Micro Raman spectrum measurement system
Features
  • Adjustable laser with stable frequency, avoiding wavelength drift and damage of samples.
  • Optimization of the confocal module, ensuring that focal plane of the laser and view focal plane of the objective confocal.
  • Detector with high stability, improving the spectral acquisition efficiency and accuracy.
  • Modular design, self-assembly, simple operation and easy to carry.
  • Wavelength range and resolution can be customized.

Application

  • Identify microns impurities of the pills and describe the distribution.
  • Distinguish the effective active ingredient and accessories in pills. Describing the distribution and density of occurrence.
  • Positioning precisely the boundary of different particles in ore or arts.
  • Describing and locating material contained within mineral or rock.
  • The identification of trace material evidence, such as the drug, medicine, explosives, textile and so on.

Product Model
 Mic-R-Sys405/ 532/ 785
 
Basic Components
   Raman Module, Raman Detection System, Microscope
 
Specifications
Microscope
Microscope model
GMM-580
Z-axis focusing system
Coarse and fine Coaxial focus
Minimum graduation: 2μm,
Limit stopper device
X/Y Mobile stages size
210mm*140mm
Stage moving range
50mm*75mm
Camera
5 Megapixel Imaging System ISH500 (Optional)
Microscope objective
5X-100X (Optional)
 
Camera
Chip
CMOS, colorized, progressive scanning
Chip size
1/2.5 inch
Effective pixels
5 million
Pixels size
2.2μm*2.2μm
Max Resolution (H×V)
2592*1944
Frame rate
5fps(2592 × 1944 full resolution); 21fps(1280*960);
25fps (1024 × 768);
38fps (640 × 480)
Color depth
24 bit
Noise of amplitude
54 dB
Operating temperature(°C)
0-60
Data interface
High speed USB2.0
Lens mount
Standard C-mount

Laser
Wavelength (nm)
405±0.5
532±0.5
785±0.3
Mode
Single
Single
Single
Spectral line width (cm-1)
-
<0.5
<2
Output power (mW)
1-500
1-1000
>350, >450
Power stability (pk-pk, 4 hours)
<2%
<1%,<3%,<5%
<2%
Parameter of fiber
100um@0.22NA
100um@0.22NA
100um@0.22NA
Noise of amplitude (rms)
-
<0.5%
<0.5%,<1%
Operating mode
CW
CW
CW
Warm-up time (minutes)
<5
<10
<5
Operating temperature (℃)
10-35
15-35
10-40
Expected lifetime (hours)
10000
10000
10000
Warranty
1 year
1 year
1 year
 
Spectrometer
Wavelength range
405-500nm
(405nm excitation)
532-700nm
(532nm excitation)
785-1100nm
(785nm excitation)
Optical resolution
18-24cm-1(405nm excitation)
8-12cm-1(532nm excitation)
5-8cm-1(785nm excitation)
Pixels
2048 pixels
Pixels size
14um*14um
Dimensions (mm)
149*109*50
Weight (g)
1000
Signal-to-noise ratio
1000:1
Integration time
17ms-10s
Power consumption
450mA@5VDC
Data transfer speed
Full scans into memory every 4 milliseconds with USB 2.0
Full scans into memory every 18 milliseconds with USB 1.1
Inputs/outputs
5 inputs and 5 outputs (opto-isolator inputs/outputs)
Analog channels
One 12 analog input one 12 analog output
Connector
30pin connector
 
Raman Probe
Excitation wavelength (nm)
405
532
785
Probe focus length (mm)
7.5
Probe main material
Probe material is 2A12 after Blackening; Stainless steel detector tip
Fiber configuration
Two single fiber (100um excitation fiber, 200um optical fiber for collecting light); N.A.=0.22, PVC/metal sheath; 1m Length
 
Software
Optical spectrum analysis
Spectral Analysis / Raman Analysis 2.0
Camera imaging
Imaging
Operating system
Windows XP/Win7 (32bits or 64 bits)


Changchun New IndustriesOptoelectronics Technology Co., Ltd.

Lasers,Optics & Photonics
Addr: No.888 Jinhu Road High-tech Zone,Changchun130103, P.R.China 
Web: www.cnilaser.com    E-mail: service@cnilaser.com    International Tel: +86-431-85603799

2015年11月27日星期五

Raman Spectrometer


           Raman Spectra is given material molecular vibration and rotation information, different materials have different from other material characteristic spectrum - characteristic peak, which provides for the characterization and identification fingerprinting substance. Its application areas include chemical/biological research, environmental science, jewelry appraisal, textile industry, food safety testing, judicial authentication, pharmaceutical and medical diagnostics, geological exploration and detection of dangerous goods, etc.     

          Changchun New Industries (CNI), founded in 1996, is a leading manufacturer of solid-state and diode laser systems. CNI laser features with high performance, nice reliability, and specifically designed for OEM, scientific, industrial and instrumentation use. In addition, CNI lasers are ISO-9001, FDA, CE, RoHS and JQA certified. CNI laser has the leading superiority in the stability and  reliability, which can satisfy the cstomer’s demands of high efficiency and stability in different environments. CNI has provided lasers  to many customers at home and abroad as laser light source in the laser radar systems.

Raman Spectra of solutions

Raman spectra
Drug - MethamphetamineJewelry - Diamond
Food - Melamine
Medicine - AspirinExplosives - PETN explosives Chemicals - Ethanol
Features
   ■ CNI high reliability lasers
   ■ All the necessary accessories available
    Easy to install and maintain
    Customized solution upon request available
Laser Related
        Raman Applications requires high stability, narrow linewidth or single-frequency laser, wavelength: 266 nm355 nm
405 nm457 nm473 nm532 nm556 nm561 nm589 nm,  633 nm660 nm671 nm785 nm830 nm1064 nm,1319 nm, 1550 nmetc.
Accessories

Raman probes Laser Goggles
Research achievements of CNI laser for Raman from customers
  (1) Laserski inducirana fluorescencija porfirina u karijesnoj leziji
       (Acta stomatologica Croatica,Vol.44 No.2 Lipanj 2010) (CNI-473nm)

  (2) Tailoring Optical Properties of Silicon Nanowires by Au Nanostructure Decorations: Enhanced Raman Scattering and Photodetection
       (J. Phys. Chem. C, 2012,116 (7), pp 4416–4422) (CNI-532nm/785nm)

  (3) Heteroepitaxial Decoration of Ag Nanoparticles on Si Nanowires: A Case Study on Raman Scattering and Mapping
       (Nano Lett., 2010, 10 (10), pp 3940–3947) (CNI-532nm)

  (4) Near-field Raman imaging using optically trapped dielectric microsphere
     (Optics Express, Vol. 16, Issue 11, pp. 7976-7984 (2008)) (CNI-532nm/1064nm)

  (5) Up-conversion processes in NaLaF4:Er3+
       (Optical Materials, Volume 31, Issue 10,August 2009, Pages 1517–1524) (CNI-671nm)