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Probe
CNI The Raman and fluorescence probes feature a fully solidified optical design, ensuring high repeatability in Raman/fluorescence spectral measurements. With a compact optical path, small footprint, and user-friendly operation, these probes allow for flexible switching between different samples while efficiently collecting test signals. They can be seamlessly integrated with lasers and fiber-optic spectrometers, making them ideal for both laboratory and industrial on-site applications. Additionally, custom development is available to meet specific customer requirements.
Raman probe
RPB-360 Raman Probe (Excitation Wavelength 360 nm)
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| Model | RPB-360 | RPB-360-S | RPB-360-M |
| Raman frequency shift | 450–4,500 cm -1 | 450–4,500 cm -1 | 450–4,500 cm -1 |
| Dimensions | ![]() 111 x 38 x 14.75 mm; Probe Head 38 mm | ![]() 111 x 48 x 14.75 mm; probe tip 38 mm | ![]() 61.5 x 38 x 14.75 mm; probe tip measures 38 mm |
Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-405 Raman Probe (Excitation Wavelength 405 nm)
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| Model | RPB-405 | RPB-405-S | RPB-405-M |
| Raman frequency shift | 300–4,500 cm -1 | 300–4,500 cm -1 | 300–4,500 cm -1 |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-473 Raman Probe (Excitation Wavelength 473 nm)
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| Model | RPB-473 | RPB-473-S | RPB-473-M |
| Raman frequency shift | 450–4,500 cm -1 | 450–4,500 cm -1 | 450–4,500 cm -1 |
| Dimensions | ![]() 111 x 38 x 14.75 mm; Probe Head 38 mm | ![]() 111 x 48 x 14.75 mm; probe tip 38 mm | ![]() 61.5 x 38 x 14.75 mm; probe tip measures 38 mm |
Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-488 Raman Probe (Excitation Wavelength 488 nm)
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| Model | RPB-488 | RPB-488-S | RPB-488-M |
| Raman frequency shift | 450–4,500 cm -1 | 450–4,500 cm -1 | 450–4,500 cm -1 |
| Dimensions |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-514 Raman Probe (excitation wavelength 514 nm)
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| Model | RPB-514 | RPB-514-S | RPB-514-M |
| Raman frequency shift | 250–4,500 cm -1 | 250–4,500 cm -1 | 250–4,500 cm -1 |
| Dimensions |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-532 Raman Probe (Excitation Wavelength 532 nm)
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| Model | RPB-532 | RPB-532-L NEW | RPB-532-S | RPB-532-S-L NEW | RPB-532-M | RPB-532-M-L NEW |
| Raman frequency shift | 150–4,500 cm -1 | 100–4,500 cm -1 | 150–4,500 cm -1 | 100–4,500 cm -1 | 150–4,500 cm -1 | 100–4,500 cm -1 |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | |||||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | |||||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | ||||
| Focal length | 7.5 mm | |||||
| Operating temperature | 0–40°C | |||||
RPB-633 Raman Probe (Excitation Wavelength 633 nm)
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| Model | RPB-633 | RPB-633-S | RPB-633-M |
| Raman frequency shift | 125–4,500 cm -1 | 125–4,500 cm -1 | 125–4,500 cm -1 |
| Dimensions |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-639 Raman Probe (Excitation Wavelength 639 nm)
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| Model | RPB-639 | RPB-639-L NEW | RPB-639-S | RPB-639-S-L NEW | RPB-639-M | RPB-639-M-L NEW |
| Raman frequency shift | 400–4,500 cm -1 | 150–4,500 cm -1 | 400–4,500 cm -1 | 150–4,500 cm -1 | 400–4,500 cm -1 | 150–4,500 cm -1 |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | |||||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | |||||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | ||||
| Focal length | 7.5 mm | |||||
| Operating temperature | 0–40°C | |||||
RPB-671 Raman Probe (excitation wavelength 671 nm)
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| Model | RPB-671 | RPB-671-S | RPB-671-M |
| Raman frequency shift | 300–4,000 cm -1 | 300–4,000 cm -1 | 300–4,000 cm -1 |
| Dimensions |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-785 Raman Probe (Excitation Wavelength 785 nm)
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| Model | RPB-785 | RPB-785-L NEW | RPB-785-S | RPB-785-S-L NEW | RPB-785-M | RPB-785-M-L NEW |
| Raman frequency shift | 150–4,500 cm -1 | 100–4,500 cm -1 | 150–4,500 cm -1 | 100–4,500 cm -1 | 150–4,500 cm -1 | 100–4,500 cm -1 |
| Dimensions |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | |||||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | |||||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | ||||
| Focal length | 7.5 mm | |||||
| Operating temperature | 0–40°C | |||||
RPB-830 Raman Probe (excitation wavelength 830 nm)
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| Model | RPB-830 | RPB-830-S | RPB-830-M |
| Raman frequency shift | 100/200–4000 cm -1 | 100/200–4000 cm -1 | 100/200–4000 cm -1 |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
RPB-1064 Raman Probe (Excitation Wavelength 1064 nm)
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| Model | RPB-1064 | RPB-1064-L | RPB-1064-S | RPB-1064-S-L | RPB-1064-M | RPB-1064-M-L |
| Raman frequency shift | 400–3000 cm -1 & -3000 ~ -350 cm -1 | 100–3000 cm -1 | 400–3000 cm -1 & -3000 ~ -350 cm -1 | 100–3000 cm -1 | 400–3000 cm -1 & -3000 ~ -350 cm -1 | 100–3000 cm -1 |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | |||||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | |||||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | ||||
| Focal length | 7.5 mm | |||||
| Operating temperature | 0–40°C | |||||
RPB-532/ 785 Raman Probe
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| Model | RPB-532 / 785 |
| Raman frequency shift | 150–4,500 cm -1 (532nm excitation) / 150–4500 cm⁻¹ -1 (785 nm excitation) |
| Dimensions | ![]() 89 x 68 x 14.8 mm; Probe head 38 mm |
Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. |
| Optical fiber | Four permanently arranged single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with either a PVC or metal jacket. Fiber length: 1 m |
| Coupled system | SMA905 Interface |
| Focal length | 7.5 mm |
| Operating temperature | 0–40°C |
The Raman spectrum of ethanol was measured.
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RPB-360 measures the Raman spectrum of ethanol. | RPB-633 measures the Raman spectrum of ethanol | RPB-514 measures the Raman spectrum of ethanol |
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RPB-405 Measured Raman Spectrum of Single-Crystal Silicon | RPB-532 measures the Raman spectrum of ethanol | RPB-785 measures the Raman spectrum of ethanol | RPB-830 measures the Raman spectrum of ethanol |
Fluorescent probe
FPB-405 Fluorescent Probe (Excitation Wavelength 405 nm)
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| Model | FPB-405 | FPB-405-S | FPB-405-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 415–960 nm | ||
| Excitation Wavelength | 405nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-450 Fluorescence Probe (Excitation Wavelength 450 nm)
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| Model | FPB-450 | FPB-450-S | FPB-450-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 460–1000 nm | ||
| Excitation Wavelength | 450nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-473 Fluorescent Probe (Excitation Wavelength 473 nm)
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| Model | FPB-473 | FPB-473-S | FPB-473-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 483–910 nm | ||
| Excitation Wavelength | 473nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-488 Fluorescent Probe (Excitation Wavelength: 488 nm)
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| Model | FPB-488 | FPB-488-S | FPB-488-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 500–900 nm | ||
| Excitation Wavelength | 488nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-532 Fluorescence Probe (Excitation Wavelength 532 nm)
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| Model | FPB-532 | FPB-532-S | FPB-532-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 544–700 nm | ||
| Excitation Wavelength | 532nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-633 Fluorescent Probe (Excitation Wavelength 633 nm)
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| Model | FPB-633 | FPB-633-S | FPB-633-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 641–848 nm | ||
| Excitation Wavelength | 633nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-785 Fluorescence Probe (Excitation Wavelength: 785 nm)
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| Model | FPB-785 | FPB-785-S | FPB-785-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 810–1100 nm | ||
| Excitation Wavelength | 785nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-808 Fluorescence Probe (Excitation Wavelength 808 nm)
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| Model | FPB-808 | FPB-808-S | FPB-808-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 365–720 nm | ||
| Excitation Wavelength | 808nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
FPB-980 Fluorescence Probe (Excitation Wavelength: 980 nm)
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| Model | FPB-980 | FPB-980-S | FPB-980-M |
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Materials | Probe material: 2A12, black-anodized; probe tip made of stainless steel. | ||
| Optical fiber | Two permanently aligned single-core optical fibers (100 µm excitation fiber, 200 µm standard collection fiber), N.A. = 0.22, with a metal jacket. Fiber length: 1 m | ||
| Coupled system | SMA905 Interface | SMA905/ FC Interface | |
| Spectral range | 400–850 nm | ||
| Excitation Wavelength | 980nm | ||
| Focal length | 7.5 mm | ||
| Operating temperature | 0–40°C | ||
Fluorescence spectrum measured
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FPB-808 Measures the Fluorescence Spectrum of Rare-Earth Materials | FPB-980 measures the fluorescence spectrum of rare-earth NaYF4:Yb:Tm. |
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Measured fluorescence spectrum of water | Measured fluorescence spectrum of water | FPB-532 Measures Ruby Fluorescence Spectrum |






111 x 38 x 14.75 mm;
61.5 x 38 x 14.75 mm;
111 x 48 x 14.75 mm; Probe Head 












