Opto-Electronic Engineering, Volume. 51, Issue 2, 230134(2024)

Comparative study of detection modes for space-based gravitational wave observation

Jingui Wu1...2,3, Xiaoyong Wang1, Shaojun Bai1, Kailan Wu1,3, Zhongkai Guo1, Yongchao Zheng1, Yun Wang1, and Xuling Lin13,* |Show fewer author(s)
Author Affiliations
  • 1Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China
  • 2School of Mathematical Science, Capital Normal University, Beijing 100048, China
  • 3School of Physical Science and Technology, Lanzhou University, Lanzhou, Gansu 730000, China
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    Figures & Tables(9)
    Optical path of detection scheme
    Phasor presentation of interference signal
    Extreme point shift
    Relationship between 1f_RIN and G
    Optical path of stray light
    Relationship between suppression factor and G
    • Table 1. Summarize of read out noise

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      Table 1. Summarize of read out noise

      单像元(对)加性噪声功率谱密度四象限平均相位噪声幅值谱密度
      散粒噪声单探测器14qeRpd(P1+P2)22ρτqe(P1+P2)η12RpdP1P2
      平衡模式14qeRpd(P1+P2)2ρτ(1+G)qe(P1+P2)η12RpdP1P2
      探测器噪声单探测器Spd2ρτRpdSpdη12P1P2
      平衡模式2Spd4ρτRpd(1+G)Spdη12P1P2
      强度噪声1f_RIN单探测器Rpd216(ρ4P12+τ4P22)Sr(f)Sr(f12)2η12ρ2P1τ2P2+τ2P2ρ2P1
      平衡模式Rpd264[(ρ2Gτ2)2P12+(τ2Gρ2)2P22]Sr(f)Sr(f12)2η12ρτ(1+G)(ρ2Gτ2)2P1P2+(τ2Gρ2)2P2P1
      强度噪声2f_RIN单探测器Rpd232η12ρ2τ2P1P2Sr(f+f12)Sr(2f12)2
      平衡模式Rpd2(1+G)2128η12ρ2τ2P1P2Sr(f+f12)Sr(2f12)2
    • Table 2. Amplitude of stray light

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      Table 2. Amplitude of stray light

      本地干涉仪 A1A2科学干涉仪A1A2
      同频共路A11A1,A22A2A11A1,A22A2
      异频共路A12A1,A21A2A12A1,A21A2
      同频异路A21A1,A12A2A21A1,A12A2
      异频异路A22A1,A11A2A22A1,A11A2
      伪干涉信号相对幅值一阶小量 A22A2,A11A1,A12A2,A21A1A22A2,A11A1,A12A2,A21A1,A12A1A21A2
      伪干涉信号相对幅值二阶小量A11A1A22A2,A12A1A21A2,A11A1A12A2,A21A1A22A2A11A1A22A2,A11A1A12A2,A21A1A22A2
    • Table 3. Phase noise induced by stray light

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      Table 3. Phase noise induced by stray light

      杂散光项单探测器模式平衡探测模式
      A22A2A22A2sin(φ22)A22A2sin(φ22)
      A11A1A11A1sin(φ11)A11A1sin(φ11)
      A12A2A12A2sin(φ12)(ρ2Gτ2)ρτ(1+G)A12A2sin(φ12)
      A21A1A21A1sin(φ21)(τ2Gρ2)ρτ(1+G)A21A1sin(φ21)
      A12A1A21A2A21A1A12A2sin(φ12φ21)A21A1A12A2sin(φ12φ21)
      A11A1A22A2A11A1A22A2sin(φ22φ11)A11A1A22A2sin(φ22φ11)
      A11A1A12A2A11A1A12A2sin(φ12φ11)(ρ2Gτ2)ρτ(1+G)A11A1A12A2sin(φ11φ12)
      A21A1A22A2A21A1A22A2sin(φ22φ21)(τ2Gρ2)ρτ(1+G)A21A1A22A2sin(φ21φ22)
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    Jingui Wu, Xiaoyong Wang, Shaojun Bai, Kailan Wu, Zhongkai Guo, Yongchao Zheng, Yun Wang, Xuling Lin. Comparative study of detection modes for space-based gravitational wave observation[J]. Opto-Electronic Engineering, 2024, 51(2): 230134

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    Paper Information

    Category: Article

    Received: Jun. 12, 2023

    Accepted: Nov. 9, 2023

    Published Online: Apr. 26, 2024

    The Author Email: Lin Xuling (林栩凌)

    DOI:10.12086/oee.2024.230134

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