Low Precision Fiber Optic Gyroscope Coil
According to Sagnac effect: in a closed optical loop of any geometry, two light waves emitted from any point and propagating in opposite directions will change the phase of the two light waves if the closed light path rotates in a certain direction relative to the inertial space when returning to the point.
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Overview
According to Sagnac effect: in a closed optical loop of any geometry, two light waves emitted from any point and propagating in opposite directions will change the phase of the two light waves if the closed light path rotates in a certain direction relative to the inertial space when returning to the point.
Specifications
| Parameter | Value |
|---|---|
| Inner Diameter [Diameter35mm] | 24.0±0.1 mm |
| Inner Diameter [Diameter40mm] | 25.0±0.1 mm |
| Outer Diameter [Diameter35mm] | 33.4±0.2 mm |
| Outer Diameter [Diameter40mm] | 39.0±0.2 mm |
| Height [Diameter35mm] | 11.5±0.1 mm |
| Height [Diameter40mm] | 9.5±0.1 mm |
| Fiber Length [Diameter35mm] | 280±5 m |
| Fiber Length [Diameter40mm] | 400±5 m |
| Attenuation Coefficient [Diameter35mm] | ≤0.6 dB/km |
| Attenuation Coefficient [Diameter40mm] | ≤0.6 dB/km |
| Crosstalk(Room Temperature) [Diameter35mm] | ≤-24 dB |
| Crosstalk(Room Temperature) [Diameter40mm] | ≤-24 dB |
| Crosstalk(Full Temperature) [Diameter35mm] | ≤-22 dB |
| Crosstalk(Full Temperature) [Diameter40mm] | ≤-22 dB |
| Bias Stability [Diameter35mm / 10s,1σ] | 0.2 °/h |
| Bias Stability [Diameter40mm / 10s,1σ] | 0.15 °/h |
| Compensated Scale Factor Stability (Room Temp) [Diameter35mm] | 300 ppm |
| Compensated Scale Factor Stability (Room Temp) [Diameter40mm] | 200 ppm |
| Compensated Scale Factor Stability (Full Temp) [Diameter35mm] | 800 ppm |
| Compensated Scale Factor Stability (Full Temp) [Diameter40mm] | 500 ppm |
| Random Walk Coefficient [Diameter35mm] | 1e-2 °/h |
| Random Walk Coefficient [Diameter40mm] | 8e-3 °/h |
| Fiber Wavelength [Diameter35mm / Diameter40mm] | 1310/1550 |
| Fiber Coating Diameter [Diameter35mm / Diameter40mm] | 165/135/115/110/100 |
| Operating Temperature Range [Diameter35mm / Diameter40mm] | -45~70 °C |
Applications
Fiber Optic Gyroscope(FOG)
Other fiber optic sensing applications
Key Features
High reliability and precision
Excellent batch consistency
Superior environmental adaptability
Datasheet
Product Datasheet
PDF
Supplier Information
SG FusionChip Technology Co.,Ltd, established in August 2021 in China's Optics Valley (Wuhan), serves as the strategic foothold of Shanghai Aoshi Control Technology Co., Ltd. in Central China. The company specializes in the R&D, design, production, and sales of specialized active devices, fiber optic coils, and high-end equipment. Its products are widely applied in fiber lasers, fiber sensing, gyroscopic inertial navigation, specialized national defense, academic research, new energy, and quantum technology. Leveraging its parent company's technological expertise in fiber optic gyroscopes, modulators, and detectors, SG FusionChip has achieved comprehensive capabilities in sensing optics, boasting nationally leading R&D capabilities and industrialized production capacity.
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