Jialuo Qiu, Lei Wang, Tengchao Huang, Xiaowu Shu. Review of Development of Interferometric Fiber-Optic Gyroscopes[J]. Acta Optica Sinica, 2022, 42(17): 1706004
- Acta Optica Sinica
- Vol. 42, Issue 17, 1706004 (2022)
![Reciprocal structure built with discrete devices and all-fiber reciprocal structure. (a) Reciprocal structure built with discrete devices[11]; (b) all-fiber reciprocal structure[12]](/richHtml/gxxb/2022/42/17/1706004/img_02.jpg)
Fig. 1. Reciprocal structure built with discrete devices and all-fiber reciprocal structure. (a) Reciprocal structure built with discrete devices[11]; (b) all-fiber reciprocal structure[12]
![First practical IFOG[21]](/richHtml/gxxb/2022/42/17/1706004/img_03.jpg)
Fig. 2. First practical IFOG[21]
Fig. 3. Typical diagram of IFOG
Fig. 4. Digital phase ramp with steps and resets
Fig. 5. Schematic diagram of RIN suppression by circuit subtraction[31]
Fig. 6. Schematic diagram of optical setup of entanglement-enhanced optical gyroscope[33]
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Table 1. Typical high precision fiber optic gyroscope products
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