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用于溶液或粉末反射测量的光纤探头
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We offer a series of Fiber Optic Reflection / Backscattering Probes that couple to our spectrometers and light sources to create small-footprint
optical-sensing systems for measuring reflection and fluorescence in liquids and powders.
Our angled probes also have a six-around-one design, but employ a 30° window to remove specular reflection effects when the probe is immersed
in powders or dense solutions. We offer the angled probe with two different diameter fibers, 200 µm and 400 µm. Our Angled Reflection / Backscattering
Probes can be ordered from our Laboratory-grade and Premium-grade assembly product lines.
Our Reflection / Backscattering Probes are based on a natural close-packing arrangement of optical fibers. Typically, the arrangement is a tight bundle
of seven optical fibers -- six illumination fibers around one read fiber. This arrangement ensures parallel orientation of the fibers. The center or read fiber
splits from the other six fibers and couples to a spectrometer. The outer six illumination fibers connect to the light source.
Specifications
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Fiber profile: |
Step-index multimode |
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Fiber core: |
Pure silica core |
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Fiber cladding: |
Fluorine-doped silica cladding |
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Fiber buffer/coating: |
Polyimide coating |
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Fiber bundle: |
6 illumination fibers around 1 read fiber |
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Operating temperature range: |
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Numerical aperture: |
0.22 ± 0.02 (yields an acceptance angle of 24.8° in air) |
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Probe ferrule: |
Stainless steel except where noted |
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Probe connector(s): |
Premium-grade SMA 905 Connectors for QR-series probes, |
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Breakout: |
Midway of assembly at 1 meter |
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Total probe length: |
2 meters long for fiber assembly, |
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