Laser frequency instability of 6 &#215; 10−16 using 10-cm-long cavities on a cubic spacer

Xiaotong Chen; Yanyi Jiang; Bo Li; Hongfu Yu; Haifeng Jiang; Tao Wang; Yuan Yao; Longsheng Ma

doi:10.3788/COL202018.030201

Journals >Chinese Optics Letters >Volume 18 >Issue 3 >Page 030201 > Article

Chinese Optics Letters
Vol. 18, Issue 3, 030201 (2020)

Laser frequency instability of 6 × 10⁻¹⁶ using 10-cm-long cavities on a cubic spacer

Xiaotong Chen¹, Yanyi Jiang^1、*, Bo Li¹, Hongfu Yu¹, Haifeng Jiang², Tao Wang³, Yuan Yao^1、**, and Longsheng Ma¹

Author Affiliations

¹State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China

²Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Xi’an 710600, China

³AVIC Xi’an Flight Automatic Control Research Institute, Xi’an 710065, China

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DOI: 10.3788/COL202018.030201 Cite this Article Set citation alerts

Xiaotong Chen, Yanyi Jiang, Bo Li, Hongfu Yu, Haifeng Jiang, Tao Wang, Yuan Yao, Longsheng Ma. Laser frequency instability of 6 × 10⁻¹⁶ using 10-cm-long cavities on a cubic spacer[J]. Chinese Optics Letters, 2020, 18(3): 030201 Copy Citation Text

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Design of transportable reference cavities. (a) The cubic cavity spacer. (b) The cavities mounted on an aluminum cage. (c) The displacement of probe points at different positions along the z axis on the mirrors of cavity 1 under an acceleration of 1g along the z axis. (d) The length change of two cavities under an acceleration of 1g along the y axis. Three curves are overlapped.

Fig. 1. Design of transportable reference cavities. (a) The cubic cavity spacer. (b) The cavities mounted on an aluminum cage. (c) The displacement of probe points at different positions along the

z

axis on the mirrors of cavity 1 under an acceleration of 1g along the

z

axis. (d) The length change of two cavities under an acceleration of 1g along the

y

axis. Three curves are overlapped.

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Schematic diagram of the experimental setup for (a) laser frequency stabilization and (b) laser performance measurement. AOM, acousto-optic modulator; FNC, fiber noise cancellation; P, polarizer; EOM, electro-optic modulator; Iso, optical isolator; λ/4, quarter-wave plate; PD, photo-detector; FFT, fast Fourier transform spectrum analyzer.

Fig. 2. Schematic diagram of the experimental setup for (a) laser frequency stabilization and (b) laser performance measurement. AOM, acousto-optic modulator; FNC, fiber noise cancellation; P, polarizer; EOM, electro-optic modulator; Iso, optical isolator;