Lasers & Optical Fibers Technologies
High performance Raman Spectrometer (Omni-iSpecTM) / Spectrometer systems
This Raman spectrometer is integrated with a high throughput spectrograph (Omni-iSpecT) that is designed for high resolution and high speed raman imaging. The Omni-iSpecTM has two models to accommodate different requirements: lasers, wavelength and spectral resolution
High performance Raman Spectrometer (Omni-iSpecTM) summary
The Omni-iSpecTM is a very good solution for collecting more light and achieving better S/N ratio. The high light collection efficiency capabilities of Omni-iSpecT spectrograph combined with ultra-sensitive CCD detectors offer the most versatile and sensitive detection solution for VIS & NIR applications.
Its rugged and compact design makes an ideal module for in-the-field and industrial applications. It is still suitable for academic research with research-grade performance. The Omni-iSpecTM also provides the SDK file for secondary development.
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Features
- High collection efficiency (F/1.8 aperture)
- 100 % light collection from NA=0.22 fiber optics
- High throughput for VIS or NIR range
- High transmission volume phase holographic gratings (VPH)
- Wide Raman shift coverage (large focal plane CDD camera)
- Low stray light
- Superior image quality
- High spectral resolution (Omni-iSpecT532, FWHM 4.7cm-1@585.25nm / Omni-iSpecT785, FWHM 2.1cm-1@912.297nm)
- Compact and rugged design
Applications
- Low pressure gas detection
- Confocal Raman spectroscopy
- Process control
- In-vivo or in-vitro medical diagnosis
- In-the-field and industrial applications etc.
Specifications
| Model | Omni-iSpecT532M | Omni-iSpecT785M |
| Raman shift range | 0-4200cm-1 | -200-2450cm-1 |
| Wavelength range | 532-685nm | 770-975nm |
| F/# aperture | F/1.8 | F/2.3 |
| Focal length (input/output) | 85/85mm | 85/85mm |
| Grating | 1800l/mm VPH | 1200l/mm VPH |
| CCD detector | -Back illuminated deep depletion | -Back illuminated deep depletion |
| -2000x256 pixels | -2000x256 pixels | |
| -15%m pixel size | -15%m pixel size | |
| -30x3.8mm image area | -30x3.8mm image area | |
| Adjustable entrance slit | 10µm-6mm | 10µm-6mm |
| Resolution (Typical) | 5cm-1@585nm@50um slit | 3cm-1@912nm@50um slit |
| 7cm-1 guaranteed | 5cm-1 guaranteed | |
| Fiber couplers | XY adjustable fiber adaptor | XY adjustable fiber adaptor |
| Fiber: SMA/10mm fiber connector | Fiber: SMA/MPO/10mm fiber connector | |
| Shutter | Option | Option |
| Built-in long pass filter | Option | Option |
| Φ50mm, 186cm-1 transition | Φ50mm, 309cm-1 transition | |
| Lower transition edge available | Lower transition edge available | |
| Dimension (without CCD) | 248x200x118mm | 277x215x118mm |
| Weight | 5kg | 5.8kg |
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