Spectrometer with Replaceable Slits – AvaSpec-HERO
The latest AvaSpec-HERO spectrometer is designed for users that require high resolution and high ……...
Exemplar Plus LS - Low Straylight Smart CCD Spectrometer
The Exemplar® Plus LS is a high performance smart spectrometer that minimizes stray using an aberration corrected concave holographic grating. Superior data quality over the entire 190 - 1100 nm spectral range is delivered by the long focal length, coupled with a high quantum efficiency detector.
The Exemplar Plus LS features a built-in shutter that enables for dark scan measurements, even while illuminated, and also features high signal to noise ratio, making it ideal for low light level applications. As a member of the Exemplar product line, the Exemplar® Plus LS features on board data processing and USB 3.0 communication. This product line is also optimized for multi-channel operation featuring ultra-low trigger delay and gate jitter.
Standard spectral configurations range from 180 nm - 1050 nm and resolutions range between 0.6 nm and 6.0 nm. Custom configurations are available for OEM applications.
Applications
The key applications of the Exemplar® Plus LS are as follows:
LED characterization
Gas and water analysis
BioMedical spectroscopy
On-line process monitoring
Raman and fluorescence spectroscopy
LCD display measurement
Low light level UV to NIR spectroscopy
Features
Smart
On-board processing including averaging, smoothing, and dark compensation
Speed
Acquires and transfers more than 140 spectra per second at an integration time of 6.3 ms
Synchronous
Supports up to 32 devices with ultra-low trigger delay (95 ns) and gate jitter (+/- 20 ns)
Signal to Noise Ratio
| On-board Averaging 1 | ~540 |
| On-board Averaging 10 | ~1900 |
| On-board Averaging 100 | ~4800 |
Additional Features
Some of the additional features of the Exemplar® Plus LS are given below:
Extremely low stray light
Built-in shutter
2048 detector elements
Over 60% QE at 200 nm
High UV, Vis, and NIR response
Configurable cooling temperature (0° default)
Specifications
| Power Input | 5 V DC @ 3.0 A (Maximum at Startup) |
| Detector Type | Back-thinned CCD Array |
| Wavelength Range | 190 nm - 1100 nm |
| Detector Pixel Format | 2048 Effective Detector Elements |
| Effective Pixel Size | 14 µm x ~ 0.9 mm |
| Spectrograph f/# | 3.0 |
| Spectrograph Optical Layout | Concave Holographic, Aberration Corrected, Flat Field |
| Dynamic Range | 50,000 (Typical) |
| Digitizer Resolution | 16-bit or 65,535:1 |
| Data Transfer Speed | >140 Spectra per Second at Integration Time of 6.3ms in Burst Mode |
| Trigger Delay | 95 ns +/- 20 ns (call for timing diagram) |
| Readout Speed | > 400 kHz |
| Integration Time | 6.3 ms, Adjustable in 1 µs Increments |
| Aux Port | External Trigger, 4 Digital Outputs (2 with Shutter Control), 2 Digital Inputs, Analog Input, Analog Output and System Reset |
| Operating Temperature | 5 °C – 35 °C |
| Operational Relative Humidity | 85% Noncondensing |
| CCD Cooling | Default: 0 °C at Ambient of 25 °C. |
| Weight | 2.6 lbs |
| Dimensions | 7.0 in x 4.25 in x 2.68 in (178 mm x 108 mm x 67 mm) |
| Computer Interface | USB 3.0 / 2.0 |
| Operating Systems | Windows: 7, 8 (32-bit & 64-bit) |
Technical details
Spectrograph
Entrance Slit
| Slit Option | Dimensions | Approx. Resolution 350-750 nm |
|---|---|---|
| 10 µm | 10 µm wide x 2 mm high | ~2.0 nm |
| 25 µm | 25 µm wide x 2 mm high | ~2.5 nm |
| 50 µm | 50 µm wide x 2 mm high | ~3.2 nm |
| 100 µm | 100 µm wide x 2 mm high | ~6.0 nm |
| Custom Configurations Available | ||
Diffraction Grating
| Best Efficiency | Spectral Coverage (nm) |
|---|---|
| UV/Vis | 180 - 450 |
| UV-NIR | 190 - 800 |
| UV-NIR | 400 - 800 |
| UV-NIR | 190 - 1100 |
| UV-NIR | 350 - 1050 |
| Custom Configurations Available | |
The Exemplar Plus LS Modular Spectrometer from B&W Tek
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