Wood
Wood Near-Infrared Fibre-Optic Spectrometer
A near-infrared spectrometer built around a two-stage cooled 256-pixel InGaAs array, in 900–1700 nm or 1000–2500 nm versions. Sub-millisecond integration and a 1200:1 signal-to-noise ratio suit on-line monitoring in industrial and agricultural settings.
900–2500 nm
Two ranges
1200:1
Signal-to-noise
256 px
Cooled InGaAs
0.1 ms
Minimum integration
Features
- Selectable near-infrared wavelength bands
- Two-stage thermoelectric cooling
- InGaAs detector with low noise and high signal-to-noise ratio
- Low temperature-drift characteristic
- Higher-order diffraction elimination filter
- External-trigger function on the 16-pin expansion port
Applications
- Moisture analysis
- Fruit and crop testing
- Communication laser wavelength detection
- On-line component analysis
- Life-science instruments
- Scientific experiments
- Environmental testing
- Infrared light-source testing
- On-line chemical concentration testing
Available Models
Ordering Options
Wood 900-1700
Infrared series, 900–1700 nm, 6.5 nm resolution
Wood 1000-2500
Infrared series, 1000–2500 nm, 15 nm resolution
Optical resolution by wavelength range and slit width
Resolution in nm for entrance slits of 30 to 200 µm.
| Wavelength range | 30 µm | 40 µm | 50 µm | 60 µm | 70 µm | 100 µm | 150 µm | 200 µm |
|---|---|---|---|---|---|---|---|---|
| 900–1700 nm | 6.5 | 7 | 8 | 9 | 10 | 11 | 12.5 | 14 |
| 1000–2500 nm | 15.0 | 16.0 | 17.0 | 18.0 | 19.0 | 22.0 | 24.5 | 27.0 |
Technical Specifications
Wood Specifications
Spectral characteristics
| Wavelength range | 900–1700 nm or 1000–2500 nm |
|---|---|
| Optical resolution | 6.5 nm or 15 nm standard; customisable |
| Higher-order diffraction | Eliminated by order-sorting filter |
Detector
| Detector | InGaAs array, two-stage cooled |
|---|---|
| Pixels | 256 |
| Pixel size | 100 µm × 100 µm |
| Sensitivity | 10.5 µV/e⁻ |
| Maximum speed | 500 K |
Optical bench
| Design | f/4, symmetrical crossed Czerny-Turner |
|---|---|
| Focal length | 100 mm / 110 mm |
| Entrance aperture | 30 µm standard; customisable |
| Fibre connector | NIR SMA905, 0.22 NA |
Electronics
| Signal-to-noise ratio | 1200:1 |
|---|---|
| Corrected linearity | > 99.8 % |
| Integration time | 0.1 ms – 1400 ms |
| Dynamic range | 900 000 |
| A/D conversion | 16-bit |
| Data transfer | 12 ms plus integration time |
| Interface | USB 2.0; 16-pin expansion port with external trigger |
| Power consumption | 450 mA at 5 V DC; cooling 4 A at 5 V DC |
| Supported system | Windows |
Mechanical
| Dimensions | 182 × 110 × 50 mm |
|---|---|
| Weight | 1500 g |
| Mounting | Standard mounting holes in three orientations |
| Warranty | 1 year |
Final specifications depend on the configured wavelength range, entrance aperture and grating. We confirm the configuration before quotation.
Datasheets
Full specification sheets for the Wood.
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