QE pro fiber optic spectrometer
The QE series fiber optic spectrometers are mainly aimed at laboratory and scientific research fields, featuring high sensitivity and low stray light. The excellent signal-to-noise ratio (1000:1) and dynamic range (85000:1) make the QE series fiber optic spectrometers ideal for measuring weak optical signal samples, and they are mainly used in low-light-level applications and research fields such as fluorescence measurement, DNA sequencing, and Raman analysis.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Detector [at 25℃ room temperature] | Hamamatsu thin back-illuminated cooled area CCD array Three-stage TE cooling, cooling temperature can be held constant at -10 ℃ (at 25 ℃ room temperature) |
| Spectral range | 185-1100 nm (optional), preconfigured 200-960 nm or 350-1100 nm |
| Effective pixels | 1024 × 58 (1044 × 64 total pixels) |
| Pixel size | 24 μm × 24 μm |
| Detector sensitivity (λ) [all λ] | 22 electrons/count all λ |
| Detector sensitivity [250 nm] | 26 photons/count @ 250 nm |
| Quantum efficiency [peak] | peak 90 % |
| Quantum efficiency [250 nm] | 65 % at 250 nm |
| Optical Design | f/4, symmetrical crossed Czerny-Turner design |
| Focal length [Input and output] | 101.6 mm input and output |
| Grating | Multiple grating options (H1~H14, HC-1, H33, H35, H36, H5U, H7U) |
| Slit | Replaceable design, optional 5 μm, 10 μm, 25 μm, 50 μm, 100 μm or 200 μm width slits (or SMA/FC connector, no slit) |
| Integration time | 8 ms ~15 min |
| Dynamic range [Single acquisition] | ~85000:1 (single acquisition) |
| Signal-to-noise ratio [full signal, single acquisition] | 1000:1 (full signal, single acquisition) |
| Optical resolution (FWHM) [depends on grating and slit aperture size] | 0.14–7.7 nm (depends on grating and slit aperture size) |
| A/D conversion | 18 bit(QE Pro) |
| Dark noise | 3 RMS counts |
| Linear Calibration | >99.5 % |
| Fiber optic connector | SMA 905 |
| Power Requirements | Power supply voltage: 4.5–5.5 V |
| Strobe function | None |
| Interface | USB 2.0; RS-232 (5-wire) |
| Operating Temperature | -40 ℃ to 50 ℃ |
| Dimensions | 182 mm × 110 mm × 47 mm |
| Weight - Spectrometer | Spectrometer: 1.15 kg (2.6 lb) |
| Weight - Power Supply | Power supply: 0.45 kg (1 lb) |
Applications
Datasheet
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