800°C Femtosecond Fiber Bragg Grating Temperature Sensor - Single-Point/Multipoint FBG Thermometer - FBG Temperature Sensors
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- Brand Name: Default brand: OFSCN®. Unbranded products are available. Please consult for customized brand products (subject to local laws).
- Availability: Materials in stock, custom production possible.
Product Alias: fiber optic thermometer, FBG Thermometer, Temperature Inducer, Temperature Probe, Thermometer, Fiber Optic Grating Probe, FBG Probe.
Product Function: Temperature measurement and detection with single or multi-point capability, resistant to low temperatures down to -270°C and high temperatures up to 1000°C.
Video explanation of the 800°C femtosecond FBG temperature sensor:
The OFSCN® 800°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor consists of a fiber connector (FC, SC, LC, ST, etc.), a stainless steel seamless tube, and a single/multi-point femtosecond fiber Bragg grating (FBG) package. The fiber Bragg grating is written using a femtosecond laser point-by-point writing method, and the fiber used is a pure silica core polyimide fiber.
This fiber Bragg grating sensor is characterized by its high sensitivity, fast heat conduction, good accuracy, small size, light weight, high tensile strength, high compressive strength, high-temperature resistance, water resistance, moisture resistance, non-combustibility, and corrosion resistance.
By utilizing the temperature measurement properties of the FBG, this sensor can be inserted, clamped, adhered, or embedded into the structure to be measured for temperature detection and monitoring. It can be widely used in industrial production, power, railways, military, aerospace, and other fields for single-point or quasi-distributed temperature measurement.
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The OFSCN® 800°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor can be packaged with a single-point femtosecond fiber Bragg grating or a multi-point femtosecond fiber Bragg grating array (FBG fiber grating array).
This product is currently defined as an 800°C product, and the temperature range depends on the quality of the fiber and fiber Bragg grating.
The product uses a femtosecond fiber Bragg grating package that can be repeatedly used in an 800°C environment (it can be used at higher temperatures for a short time, up to 1000°C. After 24 hours in a 900°C test environment, the reflectivity of the femtosecond fiber Bragg grating degrades by 6%).
In terms of principle and practical measurements, this fiber Bragg grating temperature sensor (FBG thermometer) is a universal product and is not limited by the compatibility of fiber Bragg grating demodulation equipment. With a matching fiber Bragg grating demodulator, this product can also be referred to as an industrial Capillary FBG thermometer.
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OFSCN® Capillary Seamless Steel Tube FBG Temperature Sensor (Single-Point) |
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OFSCN® Capillary Seamless Steel Tube FBG Temperature Sensor (FBG String/Array inside) |
Overview of Fiber Bragg Grating Sensors:
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Brand |
OFSCN® |
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Fiber Bragg Grating Temperature Sensor Name |
OFSCN® 800°C Capillary Seamless Steel Tube Fiber Bragg Grating Temperature Sensor |
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Fiber Bragg Grating Temperature Sensor Model |
BNCG-SFBG-ZD800-02H-FC/APC-2M (multiple models available, example only) |
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Product Structure: Prefabricated Fiber Connector + 2.0mm High-Temperature Resistant Alloy Pipe + 316L Stainless Steel Seamless Steel Pipe + 316L Stainless Steel Seamless Steel Pipe + Single/Multi-Point Femtosecond Fiber Bragg Grating + Tail Welding |
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※Length Range |
From 10 centimeters to tens of meters (specific length depends on inventory) |
Parameters of FBG used in Fiber Bragg Grating Temperature Sensor:
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Single-point femtosecond FBG |
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| Multi-point femtosecond FBG string (array) | |
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Fiber type used for FBG |
High-temperature fiber with a pure silicon core and polyimide coating |
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FBG fabrication method |
Point-by-point inscription with femtosecond laser |
| FBG center wavelength |
Standard range of 1525nm to 1565nm (other wavelengths can be customized) |
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FBG reflectivity |
10% to 99% |
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FBG temperature measurement range |
-200°C to +800°C, can be repeatedly used in an 800°C environment (can be used at higher temperatures, with a 6% degradation in grating reflectivity after 24 hours at 900°C) |
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※Optional FBG |
Various options available for FBG parameters, direct communication is required. |
Fiber Connector Specifications for FBG Temperature Sensor:
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Fiber connector types for FBG temperature sensor |
FC/APC、FC/PC、SC、LC、ST |
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Fiber connector end face types |
APC |
PC |
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Fiber connector core material |
Ceramic |
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| Fiber connector insertion loss |
<0.2db |
<0.2db |
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Fiber connector return loss |
>-60db |
>-40db |
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Fiber connector storage environment |
-60℃ to +180℃ |
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Fiber connector operating environment |
-60℃ to +180℃ |
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※ Additional options for fiber optic connector |
FC/APC, FC/PC optional high-temperature resistant connectors. High-temperature connector materials can withstand temperatures up to 550°C (subject to availability). |
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Armor and Tail End Specifications for FBG Temperature Sensor:
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Armor type for FBG temperature sensor |
OFSCN®Capillary Seamless Steel Tube Fiber/FBG Sensor Standard Packaging (Type 03) |
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Armor diameter for FBG temperature sensor |
2.0mm |
| Material used for FBG temperature sensor |
High-temperature alloy tube + 316L stainless steel(Optional) + 316L stainless steel (Two/Three-layer structure) |
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Wall thickness of seamless steel tube used for FBG temperature sensor |
0.2mm+0.2mm(Optional)+0.15mm (Two/Three-layer structure) |
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Weight of seamless steel tube used for FBG temperature sensor |
Approximately 15 g/m |
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Tensile strength of FBG temperature sensor |
>1600N |
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Lateral pressure resistance of FBG temperature sensor |
>9000N |
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Compression strength of FBG temperature sensor: |
>180Mp |
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Tail end packaging form for FBG temperature sensor |
High-temperature welding |
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Welding material for FBG temperature sensor |
High-temperature alloy tube + 316L stainless steel (same as the material for armored main structure) |
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※ Additional options for armor and tail end |
Sensor diameter (2.0mm/3.0mm), non-standard corrosion-resistant solution |
OFSCN Fiber Bragg Grating (Fiber Optic Grating) Temperature Sensor Overview Video:
DCYS is a professional manufacturer of femtosecond FBG temperature sensors, providing information on the principle of femtosecond FBG temperature sensors, packaging design solutions, operating temperature ranges, advantages and disadvantages, installation and usage, and calibration test reports; The FBG temperature sensor brand is "OFSCN". Bulk purchase, better price!
Absolutely! Here are a few options for your reply.
FBG Thermometer is a type of fiber optic thermometer with the highest accuracy and response speed. I can't say whether the price is expensive or not. It depends on your psychological expectations, purchase quantity, thermometer structure and other factors. You can write an email to discuss.
If you only want to measure 500 degrees Celsius, then you don't actually need to use this product. You can see this: https://www.ofscn.net/fbg-products/temperature-sensor-350.html. The maximum operating temperature of this product is 550 degrees Celsius, which can fully meet your needs.
Thank you!