ASE light source for three-axis optical fiber gyroscope
A fiber optic gyroscope and light source technology, applied in Sagnac effect gyroscopes, gyroscopes/steering sensing equipment, instruments, etc., can solve problems such as intensity noise suppression, achieve improved accuracy, strong adaptability, and convenient engineering implementation Effect
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[0040] Combine below figure 1 The present invention will be described in detail.
[0041] Such as figure 1 As shown, a light source for a three-axis fiber optic gyroscope related to the present invention includes a 980nm pump laser 1, a 980nm wavelength 3×3 coupler 2, a first wavelength division multiplexer 3, a second wavelength division multiplexer 4, The third wavelength division multiplexer 5, the first erbium-doped fiber 6, the second erbium-doped fiber 7, the third erbium-doped fiber 8, the first isolator 9, the second isolator 10, the third isolator 11, 1550nm wavelength The 3×3 coupler 12 is connected by optical fiber fusion.
[0042] Among them, the 980nm pump laser 1 is connected to the b port of the 980nm wavelength 3×3 coupler 2,
[0043] The a and c ports of the 980nm wavelength 3×3 coupler 2 are folded,
[0044] The d port of the 980nm wavelength 3×3 coupler 2 is connected to the b port of the first wavelength division multiplexer 3,
[0045] The e port of t...
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