Holmarc manufactures and supplies a confocal laser Raman spectrometer as a fully assembled and ready-to-use instrument for material characterization and identification in industry as well as research labs.
Holmarc's Confocal Laser Raman Spectrometer combines an upright microscope with high N.A objective with a computer interfaced spectrometer. The microscope performs sample irradiation and signal collection. A laser beam focused by the microscope objective irradiates a small spot in the sample. The same objective collects scattered light from the sample and collimates for microscope optics and focusing at the input slit of the spectrometer. The Rayleigh line is rejected with the help of a high-OD edge filter, and Raman light is only fed into the spectrometer. The spectrometer is a Czerny-turner type with 1200 l/mm grating and line CCD detector. The exposure of the CCD and laser intensity can be adjusted to get impressive Raman signals.
Holmarc supplies this Raman instrument along with a vibration isolated table as a standard accessory. Depending upon the application requirements, we undertake customization of the spectrometer grating, detector, and software interface.
| Microscope Type | Upright Infinity Research Grade |
| Nosepiece | Revolving objective nosepiece |
| Objective | 5 X, 20 X, 40 X & 60 X (User specified optional) |
| Tube Length | 200 mm |
| Imaging Camera | 5 MP USB 3.0 |
| Sensor | 1/2.5" CMOS |
| Illumination for imaging | Top, Bottom and Co-Axial HB-LED Based |
| Illumination Control | Continuously Variable |
| Laser wavelength | 532 nm |
| Rayliegh rejection filter | Edge Filter |
| Type | Low noise variable power 100mW DPSS Laser |
| Shutter | Electronic |
| Spectrometer Type | Czerny-Turner |
| Focal Length | 200 mm |
| Focal Ration | f / 4 |
| Spectral range | 200 cm-1 - 3500 cm-1(Raman) |
| The spectral resolution | 0.95 cm-1 |
| Mapping sample stage | XYMR100 Motorized Stepper motor controlled |
| Travel | 100 x 100 mm |
| Resolution | 0.3125 Micron |
| Scanning Speed | 4 mm / sec |
| Focusing | Motorized Stepper motor controlled |
| Travel | 100 mm |
| Resolution | 0.1 Micron |
| Controller | HOLMARC XYZ Stepper controller Unit |
| Semiconductor |
| Catalysts |
| Biological |
| Polymers |
| Minerals |
| Corrosion |
| General purpose |
| 1. Sample Heating Unit | ||
| Model A : Temperature Range : RT - 200 Degree C | ||
| Model B : Temperature Range : 200 - 482 Degree C | ||
| 2. Specimen Holders | ||
| Multiwell Plate Holder | ||
| Petri Dish Holder | ||
| 3. Motorized objective lens selection unit |
Cyclohexane
Silicon Wafer
Graphite
Graphene
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