Description
An angled reflection probe works well for reflection and backscattering measurements of powders and dense solutions. It has the same 6-around-1 fiber bundle configuration as our standard reflection probes, but with a 30° angled window at a small distance from the fiber bundle tip. This serves to reduce specular reflection effects when the probe is immersed in powders or dense solutions, and allows the probe to maintain direct contact with those samples for consistent measurements.
Probe design — 6-around-1 fiber bundle design at probe end
Angled window — stand-off window at 30º allows direct contact with powders and solutions
Fiber type — probe comprises Visible-NIR (400-2100 nm) fibers
Core diameters — 200 μm and 400 μm options
| QR200-ANGLE-VIS | QR400-ANGLE-VIS | |
| Fiber Core Size | 200 µm | 400 µm |
| Length | 2 m | 2 m |
| Jacket | Silicone-coated steel monocoil | Silicone-coated steel monocoil |
| Probe Ferrule Diameter | 6.35 mm (1/4″) | 6.35 mm (1/4″) |
| Breakout | Midway point of assembly at 1 meter | Midway point of assembly at 1 meter |
| Buffer Materials | Polyimide | Polyimide |
| Cladding OD | 10 µm | 20 µm |
| Cladding OD Tolerance | ± 4 µm | ± 3 µm |
| Connector | SMA 905 | SMA 905 |
| Fiber Core Size Tolerance | ± 4 μm | ± 8 μm |
| Long Term Bend Radius | 8 cm | 16 cm |
| Maximum OD | 243 µm | 487 µm |
| Primary Buffer OD | 10 µm | 20 µm |
| Primary Buffer OD Tolerance | ± 5 µm | ± 7 µm |
| Probe Fiber Bundle | 6 illumination fibers around 1 read fiber | 6 illumination fibers around 1 read fiber |
| Short Term Bend Radius | 4 cm | 8 cm |
| Probe Ferrule Length | 76.2 mm (3″) | 76.2 mm (3″) |
| Probe Ferrule Material | Stainless steel | Stainless steel |
| Operating Temperature | (-65) to 300 °C | (-65) to 300 °C |
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