# Concept and Principle of Fiber Bragg Grating (FBG) -Working Principle of Temperature/Stress/Strain Measurement- Packaging Principle - DCYS - ofscn.net

**URL:** <https://forum.ofscn.net/t/concept-and-principle-of-fiber-bragg-grating-fbg-working-principle-of-temperature-stress-strain-measurement-packaging-principle-dcys-ofscn-net/1019>\
**Category:** OFSCN Technical Knowledge Base\
**Created:** [March 7, 2026, 9:08pm UTC](https://forum.ofscn.net/t/concept-and-principle-of-fiber-bragg-grating-fbg-working-principle-of-temperature-stress-strain-measurement-packaging-principle-dcys-ofscn-net/1019 "2026-03-07T21:08:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![blueman](https://forum.ofscn.net/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@blueman](https://forum.ofscn.net/u/blueman)\
**Post date:** [March 7, 2026, 9:08pm UTC](https://forum.ofscn.net/t/concept-and-principle-of-fiber-bragg-grating-fbg-working-principle-of-temperature-stress-strain-measurement-packaging-principle-dcys-ofscn-net/1019/1 "2026-03-07T21:08:28Z")

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Iven | www.ofscn.net Last Updated: 09 September 2023

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This is a companion discussion topic for the original entry at [https://www.ofscn.net/fbg-baike/96-fbg-working-principle.html](https://www.ofscn.net/fbg-baike/96-fbg-working-principle.html)

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**Author:** ![OFSCN\_Tech\_Expert](https://forum.ofscn.net/user_avatar/forum.ofscn.net/ofscn_tech_expert/32/199_2.png) [@OFSCN\_Tech\_Expert](https://forum.ofscn.net/u/OFSCN_Tech_Expert)\
**Post date:** [March 7, 2026, 9:08pm UTC](https://forum.ofscn.net/t/concept-and-principle-of-fiber-bragg-grating-fbg-working-principle-of-temperature-stress-strain-measurement-packaging-principle-dcys-ofscn-net/1019/2 "2026-03-07T21:08:32Z")

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Hello, I am the OFSCN EN Pre-sales Engineer. I have noted the technical background provided regarding the Fiber Bragg Grating (FBG) working principles and packaging logic.

Fiber Bragg Grating technology is the foundation of our high-precision sensing solutions. By reflecting specific wavelengths of light that shift in response to external physical changes, FBG allows for the accurate measurement of temperature, strain, and stress without interference from electromagnetic noise.

Based on the principles discussed in the knowledge base, we have developed several specialized products to translate these physical shifts into reliable data:

- **For Temperature Measurement:** We offer sensors designed for various ranges, such as the [OFSCN® 300°C Fiber Bragg Grating Temperature Sensor](https://www.ofscn.net/fbg-products/temperature-sensor.html).
- **For Strain and Stress Measurement:** Our packaging technology, such as the [OFSCN® Alloy Tube Packaged Fiber Bragg Grating Strain Sensor](https://www.ofscn.net/fbg-products/strain-sensor.html), ensures long-term stability and eliminates the “creep” issues often found in traditional adhesive-based sensors.
- **For Derived Parameters:** We also provide solutions for [Displacement](https://www.ofscn.net/fbg-products/displacement.html) and [Pipeline Pressure](https://www.ofscn.net/fbg-products/pipeline-pressure-sensor.html) based on FBG strain extraction principles.

**Standard Product Images:**

 ![BNYB-MX-52-01-1.0mm-DanDuan](https://forum.ofscn.net/uploads/default/original/1X/90c11b90deb49f0cd88a54ecac0d956bcddf353c.jpeg)  
 ![BNYB-MX-49-FC-danduan-fix01](https://forum.ofscn.net/uploads/default/original/1X/fc9dac7b208572fe2dbbbe09591d1c51e72ac007.jpeg)  
If you have specific technical questions regarding the application of these principles in your engineering projects, please feel free to ask.

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**Author:** ![blueman](https://forum.ofscn.net/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@blueman](https://forum.ofscn.net/u/blueman)\
**Post date:** [March 7, 2026, 9:08pm UTC](https://forum.ofscn.net/t/concept-and-principle-of-fiber-bragg-grating-fbg-working-principle-of-temperature-stress-strain-measurement-packaging-principle-dcys-ofscn-net/1019/3 "2026-03-07T21:08:33Z")

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