Shanghai Gengyun Industrial Co., Ltd
The freestanding optical fiber coil for ultra-high precision FOG designed and produced for customers meets the R & D and engineering needs of 0.001~0.005°/h FOG. By using thin diameter Panda polarization-maintaining fiber and UV curing glue. Advanced coil forming technology and multi-pole symmetrical winding. It can provide excellent sensitive coil solutions for ultra-high precision FOG.
Feature
1. Excellent full temperature zero bias stability;
2. Excellent temperature compensation characteristics;
3. Advanced multipole symmetrical winding method;
4. Freestanding coil for ultra-high precision FOG has full domestic supply of raw material;
5. Optical fiber has high precision;
6. optical fiber coil has strong stability;
7. Strong anti-interference ability;
8. Small size and light weight;
9. Easy to integrate, the fiber optic gyroscope is easy to use integrated optical path technology, the signal is stable and can be directly output in digital form. This makes it easier to integrate with other devices and improves the overall performance of the system.
Application
1. Navigation field;
2. Aerospace, high-precision fiber optic gyroscope independent coils are often used for tracking and measurement of rocket launches, spacecraft stabilization, photography/mapping, attitude measurement control, etc.
Specification of Optical Fiber Coil
| Features | Unit | Index | |
| Type | / | T-OD005-120 | T-OD005-120S |
| Inner diameter | mm | 93.0±0.1 | 93.0±0.1 |
| Height | mm | 14.0±0.1 | 14.0±0.1 |
| Outer diameter | mm | ≤112.0 | ≤111.0 |
| Number of layers | Layer | 64 | 80 |
| Winding length | m | 2120±30 | 3500±50 |
| Type of optic fiber | / | 80/135 optic fiber | 60/100 optic fiber |
| Crosstalk (room temperature) | dB | ≤-18 | ≤-12 |
| Crosstalk (Full temperature) | dB | ≤-15 | ≤-10 |
| Insertion loss | dB | ≤1.5 | ≤2 |
| Constant temperature zero bias stability(100s,1σ) | /h | ≤0.003 | ≤0.002 |
| Full temperature peak | °/h | ≤0.15 | ≤0.15 |
| Temperature rage | ºC | -45~+80 | -45~+80 |
| Temperature change rate | ºC/min | 1 | 1 |
| Temperature reliability | / | Within temperatures range of -55ºC to 85ºC: ·20 temperature impact cycles ·20 10ºC/min fast temperature change cycles ·30-day 1ºC/min temperature cycle |
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Customized Information:
The size, length and performance can be customized according to customer requirements;
The solution of full de-coil and coil sticking can be provided;
The optical path assembly solution of FOG can be provided;