High performance fiber optic gyroscope with a radiation-tolerant and temperature-stable scale factor

Yuanhong Yang; Fuling Yang

doi:10.3788/COL201614.110605

Journals >Chinese Optics Letters >Volume 14 >Issue 11 >Page 110605 > Article

Chinese Optics Letters
Vol. 14, Issue 11, 110605 (2016)

High performance fiber optic gyroscope with a radiation-tolerant and temperature-stable scale factor

Yuanhong Yang^1、2、* and Fuling Yang¹

Author Affiliations

¹School of Instrument Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China

²National Key Laboratory on Inertial Technology, Beihang University, Beijing 100191, China

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DOI: 10.3788/COL201614.110605 Cite this Article Set citation alerts

Yuanhong Yang, Fuling Yang. High performance fiber optic gyroscope with a radiation-tolerant and temperature-stable scale factor[J]. Chinese Optics Letters, 2016, 14(11): 110605 Copy Citation Text

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Fig. 1. Schematic diagram of the Vπ measurement system.

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Fig. 2. Performance tested result of Vπ.

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Fig. 3. Relationship of Vπ versus λ at different temperatures.

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Fig. 4. Configuration of the experimental IFOG.

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Fig. 5. Wavelength shift and SF errors at different temperatures.

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Fig. 6. Radiation experiment photograph.

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Fig. 7. Tested SF error, mean wavelength and the SF calculated with the tested mean wavelength.

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$T$ (°C)	$k_{λ}$ ( $V / {nm}^{2}$ )	$m_{λ 0}$ (V/m)	$R^{2}$
−40.2	$7.300927 \times 10^{- 8}$	0.002221	0.9991
−29.7	$7.814259 \times 10^{- 8}$	0.002202	0.9993
−20.5	$8.766196 \times 10^{- 8}$	0.002176	0.9996
−9.4	$9.333737 \times 10^{- 8}$	0.002156	0.9992
0.8	$1.009304 \times 10^{- 7}$	0.002133	0.9995
10.4	$1.078659 \times 10^{- 7}$	0.002110	0.9996
20.4	$1.156246 \times 10^{- 7}$	0.002087	0.9994
29.8	$1.238980 \times 10^{- 7}$	0.002063	0.9997
40.5	$1.307796 \times 10^{- 7}$	0.002041	0.9993
50.3	$1.381143 \times 10^{- 7}$	0.002018	0.9995
60.7	$1.446607 \times 10^{- 7}$	0.001996	0.9994
70.4	$1.529232 \times 10^{- 7}$	0.001973	0.9993

Table 1. Model Parameters with Linear Fitting (m=kλλ+mλ0)

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$λ$ (nm)	$k_{T}$ (V/(nm·°C))	$m_{T 0}$ (V/m)	$R^{2}$
1528.382	$- 1.1515618 \times 10^{- 6}$	0.0022868	0.9993
1533.462	$- 1.1477535 \times 10^{- 6}$	0.0022873	0.9997
1538.585	$- 1.1439462 \times 10^{- 6}$	0.0022878	0.9994
1543.342	$- 1.1404391 \times 10^{- 6}$	0.0022883	0.9996
1548.513	$- 1.1366294 \times 10^{- 6}$	0.0022888	0.9995
1553.341	$- 1.1331159 \times 10^{- 6}$	0.0022893	0.9997
1558.586	$- 1.1293042 \times 10^{- 6}$	0.0022898	0.9998
1563.452	$- 1.1258004 \times 10^{- 6}$	0.0022903	0.9995
1567.953	$- 1.1225748 \times 10^{- 6}$	0.0022908	0.9992

Table 2. Model Parameters with Linear Fitting (m=kTT+mT0)

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$λ$ (nm)	1548.429	1548.468	1548.513	1548.554	1548.591
SF error (ppm)	4.468	2.263	0.312	2.232	4.473

Table 3. SF Error Due to m Dispersion

Yuanhong Yang, Fuling Yang. High performance fiber optic gyroscope with a radiation-tolerant and temperature-stable scale factor[J]. Chinese Optics Letters, 2016, 14(11): 110605

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