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Raman Spectrometer
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A Raman spectrometer is an analytical instrument based on the Raman scattering effect, used to detect the molecular structure, chemical composition, and physical properties of substances. By irradiating the sample with laser light, collecting the scattered light, and analyzing the changes in its frequency, a Raman spectrometer can provide "fingerprint" information of the sample. It is widely used in fields such as chemistry, materials science, biomedicine, and pharmaceuticals.The Raman spectrometer series provided by Dimension-Labs covers a spectral range of 200–3000 cm⁻¹, including two types: handheld and portable. Whose performance parameters meet the requirements of industrial production, teaching, and scientific research scenarios.
1. Laser: When the laser irradiates the sample, the light scattered from the sample includes Rayleigh scattering, Stokes Raman scattering, and anti-Stokes Raman scattering.
2. Dichroic Mirror: Based on differences in light wavelength, it reflects the laser light while transmitting the scattered light emitted by the sample.
3. Raman Light: The Raman light is dispersed by a diffraction grating.
4. Detector: The detector detects and generates the spectral graph.
application
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Materials Analysis: 2D materials, quantum dots, nanomaterials, etc.
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Life Sciences: DNA/RNA analysis, cell analysis, disease diagnosis, early cancer detection, etc.
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New Energy: Lithium-ion battery research, solar cell module research, etc.
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Pharmaceuticals: Pharmaceutical component identification, active ingredient determination, polymorph screening, chemical reagent R&D, etc.
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Geology and Astronomy: Planetary rocks, soil, celestial body surface composition, fossils, etc.
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Art and Archaeology: Pigments, ceramics, cultural relic restoration, etc.
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Food Safety: Pesticide residue detection, meat product detection, dairy beverage detection, plastic detection, etc.
| Series | Compact Raman Spectrometer | Portable Raman Spectrometer |
|---|---|---|
| wavelength range(cm-1) | 200-3000 | 200-3000 |
| Feature | Full-Space Optical Design, Miniature Confocal, Supports multiple operating systems including Windows and Linux, Light Weight , Compact Size | High Sensitivity, Can Resolve the Silicon Second-Order Peak, Excellent Stability, High Repeatability |
| Components | Raman Laser + Spectrometer Module + Spatial Optical Path + Software + Database | Raman Laser + Cooled Spectrometer Module + External Probe + Software + Database |
Models & Specifications
Compact Raman Spectrometer
| Model | DL-CRM-785 |
|---|---|
| Raman Shift Range (cm⁻¹) | 200-3000 |
| Spectral Resolution (cm⁻¹) | 8 |
| Dynamic Range | 3000: 1 |
| Signal to Noise Ratio | 380: 1 |
| Cooling Temperature (℃) | uncooled |
| Integration Time | 1ms-5min |
| Detector Specifications | High-Sensitivity Linear CMOS |
| Pixel | 2048×1 |
| A/D Sampling (bit) | 16 |
| CCD Readout Noise (RMS@10ms) | 30 |
| Excitation Wavelength (nm) | 785±0.5 |
| Laser Linewidth (nm) | ≤0.08 |
| Laser Lifetime (h) | 10000 |
| Laser Power Stability (@2h) | ≤3%P-P |
| Working Distance (mm) | 7.5 |
| Laser Blocking Depth of Filter | OD8 |
| Power Supply Voltage | Battery-Free Power Supply |
| Data Interface | micro USB |
| Working Humidity | 5-80% |
| Operation Temperature | 0-45℃ |
Portable Raman Spectrometer
| Model | DL-PRMC-532 | DL-PRMC-785 | DL-PRMDC-532 |
|---|---|---|---|
| Raman Shift Range (cm⁻¹) | 200-3000 | ||
| Spectral Resolution (cm⁻¹) | 8 | ||
| Dynamic Range | 8000: 1 | 8000: 1 | 22000: 1 |
| Signal to Noise Ratio | 800: 1 | 800: 1 | 1000: 1 |
| Cooling Temperature (℃) | -15 | -15 | -25 |
| Integration Time | 8ms-5min | 8ms-5min | 8ms-30min |
| Detector Specifications | Back illuminated cooling type linear array CCD | Back illuminated cooling type linear array CCD | Deep cooling back illuminated area array CCD |
| Pixel | 2048×1 | 2048×1 | 1024×58 |
| A/D Sampling (bit) | 16 | ||
| CCD Readout Noise (RMS@10ms) | 10 | 10 | 3 |
| Excitation Wavelength (nm) | 532±0.5 | 785±0.5 | 532±0.5 |
| Laser Linewidth (nm) | ≤0.1 | ≤0.08 | ≤0.1 |
| Laser Lifetime (h) | 5000 | 10000 | 5000 |
| Laser Power Stability (@2h) | ≤3%P-P | ||
| Working Distance (mm) | 7.5 | ||
| Laser Blocking Depth of Filter | OD8 | ||
| Power Supply Voltage | 5V 10A | ||
| Data Interface | USB | ||
| Optical Fiber Connector | SMA/FC | ||
| Consistency of Fiber Optic Plugging and Unplugging | ≤7% | ||
| Working Humidity | 5-80% | ||
| Operation Temperature | 0-40℃ | ||
| Model | DL-PRMDC-785 | DL-PRMDC-785-HR | DL-PRMDC-1064 |
|---|---|---|---|
| Raman Shift Range (cm⁻¹) | 200-3000 | 200-2000 | 200-2500 |
| Spectral Resolution (cm⁻¹) | 8 | 3.5 | 15 |
| Dynamic Range | 20000: 1 | 20000: 1 | 7000: 1 |
| Signal to Noise Ratio | 1000: 1 | 1000: 1 | 2000: 1 |
| Cooling Temperature (℃) | -25 | -25 | -20 |
| Integration Time | 8ms-30min | ||
| Detector Specifications | Deep cooling back illuminated area array CCD | Deep cooling back illuminated area array CCD | Refrigerated InGaAs |
| Pixel | 1024×58 | 1024×58 | 512 |
| A/D Sampling (bit) | 16 | ||
| CCD Readout Noise (RMS@10ms) | 3 | 3 | 10 |
| Excitation Wavelength (nm) | 785±0.5 | 785±0.5 | 1064±0.5 |
| Laser Linewidth (nm) | ≤0.08 | ≤0.08 | ≤0.1 |
| Laser Lifetime (h) | 10000 | ||
| Laser Power Stability (@2h) | ≤3%P-P | ||
| Working Distance (mm) | 7.5 | ||
| Laser Blocking Depth of Filter | OD8 | ||
| Power Supply Voltage | 5V 10A | ||
| Data Interface | USB | ||
| Optical Fiber Connector | SMA/FC | ||
| Consistency of Fiber Optic Plugging and Unplugging | ≤7% | ||
| Working Humidity | 10-80% | ||
| Operation Temperature | 0-40℃ | 0-40℃ | 0-50℃ |
