Min Dang, Wendong Yu, qiang Hu, Linfeng Chen. Reducing Differential Polarization Loss in Four-Frequency Differential Laser Gyroscope[J]. Laser & Optoelectronics Progress, 2020, 57(3): 031405
- Laser & Optoelectronics Progress
- Vol. 57, Issue 3, 031405 (2020)
Fig. 1. Structural diagram of four-frequency differential laser gyroscope
Fig. 2. Differential polarization loss versus parameters of resonator. (a) s-polarized reflectivity rs; (b) p-polarized reflectivity rp; (c) reflection-induced retardance Δ of s- and p-polarization; (d) non-coplanar folding angle θ
Fig. 3. Variation of differential polarization loss when sum of reflection-induced retardances of four mirrors is 0 and reflection-induced retardances of four mirrors, positive and negative, wipe one another out. (a) +-+-; (b) ++--
Fig. 4. Variation of differential polarization loss when only sum of reflection-induced retardances of four mirrors is 0
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