miniRaman Spectrometer
Raman Spectrometer
miniRaman Spectrometer Benefits miniRaman Spectrometer Benefits miniRaman Spectrometer Benefits
Quantitative Analysis
Material Identification
Accuracy High Sensitive
Affordable
Extended Spectral Range
Unique Technology Unique Technology Unique Technology
The miniRaman Spectrometer is an innovative, miniaturized Raman spectrometer equipped with a patented, integrated reference channel. This innovative technology ensures automatic calibration by correcting for laser wavelength drift. The system continuously adjusts the Raman shift and intensity of the sample spectrum, delivering fast, accurate, and reliable results. These advanced features make the miniRaman spectrometer an ideal solution for material identification and precise quantitative measurements.
Optical schema of miniRaman MRs. See details for miniRaman MRs patent here:
https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2019145005
Technical Specifications Technical Specifications Technical Specifications
| Feature versus model | miniRaman Standard | miniRaman SERS | miniRaman Dual | miniRaman Full Range |
|---|---|---|---|---|
| Laser wavelength | 785 nm | 660 nm and 785 nm | 660 nm | |
| Power on sample* | 5-50 mW | 0.5–15 mW | 5–35 mW (665) 5–50 mW (785) | 10–80 mW |
| Spectral Range | 270-3000 cm⁻¹ | 2700-3900 cm⁻¹ (660) 300-2700 cm⁻¹ (785) |
270-3900 cm⁻¹ | |
| Spectral Resolution** | 8, 10, 14 cm⁻¹ |
12, 16, 20 cm⁻¹ (660)
8, 10, 14 cm⁻¹ (785) |
12, 16, 20 cm⁻¹ | |
| Signal-to-noise ratio*** | 500:1 | 100:1 | 800:1 (660) 440:1 (785) | 800:1 |
Specifications
* Actual laser power range can differ ± 2 % per device. Please contact us if you need specific laser power range values
** Slit size dependent; slit size can be customized (20,35,50 um slits)
*** Determined as peak signal-to-noise ratio of polystyrene spectrum at maximal laser power,
integration time 0.3s, number of repetitions 10.
Extra Features Extra Features Extra Features
Small Size
Lightweight
One Button Operation
Low Power Consumption
Connectivity
Applications Applications Applications
Life Sciences & Health
skin diagnostics, cosmetics
Materials & Nanotechnology
Surface Enhanced Raman Scattering (SERS)
Industrial & Chemical Analysis
metallurgy, and food safety
Quality Control & Authentication
counterfeit product detection
Miraspec Miraspec Miraspec
| Data acquisition |
Laser power control
Exposure time control
Sensor gain control
Number of repetitions control
Spectral range control
|
|---|---|
| Data preprocessing options |
Spike correction
(Whittaker-Hayes, moving window) Spectral smoothing (Whittaker, asymmetric least squares, Savitzky-Golay) Baseline correction (rolling circle, rubberband, least squares, asymmetrically reweighted penalized) Spectrum normalization (Z-score, mean, Mean centre, MinMax, Unit Norm L1, Unit Norm L2) Intensity normalization* Laser mode-hop correction* |
| Data Exploration |
Principal component analysis Non-negative matrix factorization (SIMPLISMA-NNLS, MCR-ALS) |
| Qualitative analysis |
Material identification
(Pearson correlation, square Euclidean cosine, square first difference Euclidean cosine) Compatible libraries (>20,000 spectra)** Creation of spectral libraries |
| Quantitative analysis |
Principal component regression
Raman peak height/peak area calibration Partial Least Squares (PLS) calibration |
| Classification | Random Forest, Linear SVM, AdaBoost, Decision Tree, Hoefding Tree, Naïve Bayes, Perceptron, Softmax Regression |
System controlled by smartphone or PC via Bluetooth or USB-C cable.
Accesories Accesories Accesories
- Short/Middle distance probe variable (NA = 0.2, WD = 0-10 mm)
- Long working distance probe, f=30 mm
- Contact probe variable (NA = 0.6, WD = 0-200 um)
- Contact probe fixed (NA = 0.6, WD = 10 um, PSF = 10 μm)
- Contact probe fixed (NA = 0.6, WD = 50 μm, PSF = 15 μm)
- Contact probe fixed (NA = 0.6, WD = 100 μm, PSF = 20 μm)
- Disposable silicone heads
- Sample holders
- Axial focusing accessories
- Light protection sample cover
- Power bank
- Docking station