[2] OELKER E, HUTSONL R B, KENNEDY C J, et al. Demonstration of 4.8×1017 stability at 1 s for two independent optical clocks[J]. Nature Photonics, 2019, 13(10): 714-719．

[4] LI P, LI Y, FENG G, et al. Effect of external magnetic field on the shift of resonant frequency in photoassociation of ultracold Cs atoms [J]. Chinese Physics B，2019，28(1)：367-371.

[8] WANG Q K. Measuring light wavelength with plane transmission grating within wide spectral range[J]. Optik - International Journal for Light and Electron Optics, 2015, 126(22): 3475-3476.

[12] MULLIGAN J F. Who were fabry and perot[J]. American Journal of Physics, 1998, 66(9): 797-802.

[13] MANDAL P, MUKHERJEE M. A wavemeter for precision application[J]. Indian Journal Physics, 2010, 84(8): 1095-1100.

[14] PIETZSCH J. Scattering matrix analysis of 3×3 fiber couplers[J]. Journal of Lightwave Technology, 1989, 7(2): 303-307.

[15] HARTOG A H, CONDUIT A J, PAYNE D N. Variation of pulse delay with stress and temperature in jacketed and unjacketed optical fibres[J]. Optical and Quantum Electronics, 1979, 11(3): 265-273.