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Reflection/Backscattering Probes for Expanded
Wavelength Coverage
 R-series Fiber Optic Reflection Probes couple to our spectrometers and light
sources to create small-footprint optical-sensing systems for measuring reflection and fluorescence from solid surfaces, or backscattering and fluorescence in liquids and powders. Reflection probes can be optimized for the UV/VIS (250-800 nm) or VIS/NIR (400-2100 nm), or a combination of both ranges.
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The R200-MIXED has 14 fibers -- 6 UV/VIS and 6 VIS/NIR illumination fibers, plus 1 UV/VIS read fiber and 1 VIS/NIR read fiber. The probe couples easily to a dual-channel spectrometer in which each channel is set for a different wavelength range. |
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 UV-VIS and 6 VIS-NIR illumination fibers around 1 UV-VIS and 1
VIS-NIR read fibers |
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Operating temperature range: |
-20 °C to 80 °C |
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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 |
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Probe connector(s): |
Premium-grade SMA 905 Connectors for QR-series
probes,
Laboratory-grade SMA 905 Connectors for R-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, 76.2 mm long for
probe ferrule = 2.076 meters total length; custom lengths available |
Reflection/Backscattering Probes with Expanded Wavelength Range
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Item Code |
Wavelength Range |
Core Diameter |
Fiber Jacketing |
Probe Ferrule |
LTBR* |
STBR** |
Price |
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QR200-12-MIXED |
300-1100 nm & 400-2500 nm |
200 µm ± 4 µm |
silicone monocoil |
6.35 mm OD |
8 cm |
4 cm |
$866 |
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R200-12-MIXED |
300-1100 nm & 400-2500 nm |
200 µm ± 4 µm |
zip tube blue PVDF |
6.35 mm OD |
8 cm |
4 cm |
$866 |
* LTBR stands
for Long Term Bend Radius, the bend radius allowed long term (such as for
storage) before damaging the fiber.
** STBR stands for Short Term Bend Radius, the momentary bend radius
allowed before damaging the fiber.
Sample Applications
| Reflection from
Solid Surfaces for Color and Appearance, Chemical Composition |
Backscattering in
Liquids and Powders for Color and Appearance, Chemical Composition |
| Plastics, metals,
paints and coatings; thin films and optical filters |
Milk and other
beverages |
| Inks, dyes and graphics
arts |
Paints, inks and dyes |
| Industrial textiles and
clothing |
Resins and bulk powders |
| Biomedical samples such
as human skin and other cellular tissue |
Suspended particulate
matter in slurries and turbid liquids |
| Plants, marine life |
Fluorescence of liquid
samples |
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