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带有附加光纤束的反射测量探头
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Our Fiber Optic Reflection / Backscattering Probes are used for measuring specular or diffuse reflectance from a surface, fluorescence
from solid surfaces, or backscattering and fluorescence in solutions and powders.
We offer several Reflection / Backscattering Probes that include a reference leg for monitoring the illumination (or reference) source, which
is useful for any experiment in which variation or instability in the spectral output of the light source is likely to have an impact on the spectral data.
Our Reflection / Backscattering Probes are based on a natural close-packing arrangement of optical fibers, which consists of 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 and provide light
to the sample. In Reflection / Backscattering Probes with an additional reference leg, there is one more optical fiber that goes directly from the
light source to a spectrometer channel for reference monitoring.
Specifications
|
Fiber profile: |
Step-index multimode |
|
Fiber core: |
Pure silica core |
|
Fiber cladding: |
Fluorine-doped silica cladding |
|
Fiber buffer/coating: |
Polyimide coating except where noted |
|
Fiber bundle: |
6 illumination fibers around 1 read fiber, plus 1 fiber to monitor illumination |
|
Operating temperature range: |
|
|
Numerical aperture: |
0.22 ± 0.02 (yields an acceptance angle of 24.8° in air) |
|
Probe ferrule: |
Stainless steel |
|
Probe connector(s): |
Premium-grade SMA 905 Connectors for QR-series probes, |
|
Breakout: |
Midway of assembly at 1 meter |
|
Total probe length: |
2 meters long for fiber assembly, |
Reflection Probes with Reference Leg
|
Item Code |
|
Core Diameter |
Fiber Jacketing |
Probe Ferrule |
LTBR* |
STBR** |
|
QR200-REF-UV-VIS |
300-1100 nm |
200 µm ± 4 µm |
silicone monocoil |
|
|
|
|
QR200-REF-VIS-NIR |
400-2500 nm |
200 µm ± 4 µm |
silicone monocoil |
|
|
|
|
R200-REF-UV-VIS |
300-1100 nm |
200 µm ± 4 µm |
zip tube blue PVDF |
|
|
|
|
R200-REF-VIS-NIR |
400-2500 nm |
200 µm ± 4 µm |
zip tube blue PVDF |
|
|
|
|
R200-7-SR |
200-1100 nm |
220 µm ± 4 µm |
silicone |
¼” OD x |
|
|
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