Novel homodyne frequency-shifting interference pattern locking system

Yu Zhu; Leijie Wang; Ming Zhang; Sen Lu; Kaiming Yang; Chuxiong Hu

doi:doi:10.3788/COL201614.061201

Chinese Optics Letters, 2016, 14 (6): 061201, Published Online: Aug. 3, 2018

Novel homodyne frequency-shifting interference pattern locking system Download： 1041次

Yu Zhu Leijie Wang Ming Zhang ^*Sen Lu Kaiming Yang Chuxiong Hu

Author Affiliations

State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

Figures & Tables

Fig. 1. Schematic diagram of the novel homodyne frequency-shifting interference pattern locking system.

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Fig. 2. Detailed scheme of the homodyne redundant phase-measurement interferometer with four interference signals.

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Fig. 3. Photograph of experiment setup: (a) optics subsystem and (b) VME-based control subsystem.

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Fig. 4. Plots of uncorrected and corrected experiment data sets: (a) Lissajous curve of signals from the HRPMI, (b) value of the HRPMI, (c) discrepancy, and (d) ASD for the data from (c).

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Fig. 5. Experiment results: (a) interference pattern drift without locking, (b) residual drift with locking, and (c) ASD (in logarithmic coordinates) for the data from (a) and (b).

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Fig. 6. Experiment results: (a) locking result and (b) error.

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Table1. Short-Time Error of the Proposed System

Error Category	Value (rad) $(3 σ)$
HRPMI electronics error	0.0024
HRPMI corrected error	0.0024
Environmental error	0.0132
Control error	0.0461
Total error (RSS)	0.0481

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Yu Zhu, Leijie Wang, Ming Zhang, Sen Lu, Kaiming Yang, Chuxiong Hu. Novel homodyne frequency-shifting interference pattern locking system[J]. Chinese Optics Letters, 2016, 14(6): 061201.

Novel homodyne frequency-shifting interference pattern locking system Download： 1041次

Fig. 1. Schematic diagram of the novel homodyne frequency-shifting interference pattern locking system.

Fig. 2. Detailed scheme of the homodyne redundant phase-measurement interferometer with four interference signals.

Fig. 3. Photograph of experiment setup: (a) optics subsystem and (b) VME-based control subsystem.

Fig. 4. Plots of uncorrected and corrected experiment data sets: (a) Lissajous curve of signals from the HRPMI, (b) value of the HRPMI, (c) discrepancy, and (d) ASD for the data from (c).

Fig. 5. Experiment results: (a) interference pattern drift without locking, (b) residual drift with locking, and (c) ASD (in logarithmic coordinates) for the data from (a) and (b).

Fig. 6. Experiment results: (a) locking result and (b) error.

Table1. Short-Time Error of the Proposed System

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Novel homodyne frequency-shifting interference pattern locking system Download： 1041次

Fig. 1. Schematic diagram of the novel homodyne frequency-shifting interference pattern locking system.

Fig. 2. Detailed scheme of the homodyne redundant phase-measurement interferometer with four interference signals.

Fig. 3. Photograph of experiment setup: (a) optics subsystem and (b) VME-based control subsystem.

Fig. 4. Plots of uncorrected and corrected experiment data sets: (a) Lissajous curve of signals from the HRPMI, (b) value of the HRPMI, (c) discrepancy, and (d) ASD for the data from (c).

Fig. 5. Experiment results: (a) interference pattern drift without locking, (b) residual drift with locking, and (c) ASD (in logarithmic coordinates) for the data from (a) and (b).

Fig. 6. Experiment results: (a) locking result and (b) error.

Table1. Short-Time Error of the Proposed System

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