[1] Hu Z H, Wang Y, Qi L. Improvement of saturated absorption frequency stabilization of diode laser at 852 nm[J]. Proceedings of SPIE, 9300, 930023(2014).

[2] Zhao W J, Li Y, Dong R C et al. Laser frequency shift and stabilization of atomic fountain based on electro-optic modulation[J]. Acta Optica Sinica, 43, 1914002(2023).

[3] Supplee J M, Whittaker E A, Lenth W. Theoretical description of frequency modulation and wavelength modulation spectroscopy[J]. Applied Optics, 33, 6294-6302(1994).

[4] Wang J, Gao J, Yang B D et al. Comparison of frequency locking of 780 nm diode laser via rubidium saturated absorption and polarization spectroscopies[J]. Chinese Journal of Optics, 4, 305-312(2011).

[5] Yu X, Lü M J, Zhang X et al. Research on frequency locking of 1560 nm fiber laser based on rubidium atomic modulation transfer spectroscopy technology[J]. Chinese Journal of Lasers, 49, 0301002(2022).

[6] Ren B Q, Yan X A, Liu Y W et al. Frequency scales for analyzing the spectral line frequency shift based on the saturated absorption spectra of Rb[J]. Journal of Northwest Normal University (Natural Science), 54, 44-49(2018).

[7] He L X, Wang Y Z. An abnormal phenomenon in the saturated absorption spectrum of 87Rb[J]. Chinese Physics, 12, 1225-1228(2003).

[8] Yao J Q, Zhang Y, Hou F Y et al. Temperature dependence of Rb D2 line in saturation spectroscopy[J]. Journal of Atomic and Molecular Physics, 25, 1057-1062(2008).

[9] Ji J W, Cheng H N, Zhang Z et al. Automatic laser frequency stabilization system for transportable 87Rb fountain clock[J]. Acta Optica Sinica, 40, 2214002(2020).

[10] Zhang Y, Wang Q. Research of automatic frequency stability diode laser[J]. Chinese Journal of Lasers, 41, 0602001(2014).

[11] Koch G J. Automatic laser frequency locking to gas absorption lines[J]. Optical Engineering, 42, 1690-1693(2003).

[12] Yu Z J, Xue W X, Zhao W Y et al. Automatic frequency stabilization system of DFB diode laser for POP Rb atomic clock[J]. Journal of Time and Frequency, 38, 129-138(2015).

[13] Li Q X, Zhang X, Zhu L X et al. Intelligent and automatic laser frequency locking system using pattern recognition technology[J]. Optics and Lasers in Engineering, 126, 105881(2020).

[14] Su J, Jiao M X, Ma Y Y et al. Design of Pound‒Drever‒Hall laser frequency stabilization system using the quadrature demodulation[J]. Chinese Journal of Lasers, 43, 0316001(2016).

[15] Jiang X, Zhang C, Cai W Q et al. Frequency stabilization system of diode laser for cold atom experiment[J]. Chinese Journal of Lasers, 37, 82-86(2010).

[16] Xiang J F, Wang L G, Li L et al. Automatic frequency stabilization system of external cavity diode laser based on digital signal processing technology[J]. Acta Optica Sinica, 37, 0914002(2017).

[17] Yan L P, Zhang Z W, Xie J D et al. Adaptive PDH frequency stabilization method with large linear dynamic range based on two modulation depths[J]. Acta Optica Sinica, 43, 1907001(2023).

[18] Yu K, Jia L, Chen Y Q et al. Deep learning: yesterday, today, and tomorrow[J]. Journal of Computer Research and Development, 50, 1799-1804(2013).

[19] Chen W H, He J, Liu G. Hyperspectral image classification based on convolution neural network with attention mechanism[J]. Laser & Optoelectronics Progress, 59, 1811001(2022).

[20] Ren S, Wang X H, Hao L M et al. 1D-CNNs model for classification of sputum deposition degree in mechanical ventilated patients based on airflow signals[J]. Expert Systems with Applications, 237, 121621(2024).

[21] Preston D W. Doppler-free saturated absorption: laser spectroscopy[J]. American Journal of Physics, 64, 1432-1436(1996).

[22] Che C C, Wang H W, Ni X M et al. Residual life prediction of aeroengine based on 1D-CNN and Bi-LSTM[J]. Journal of Mechanical Engineering, 57, 304-312(2021).

[23] Wu X J, Gao S B, Niu Y D et al. Quantitative analysis of blended corn-olive oil based on Raman spectroscopy and one-dimensional convolutional neural network[J]. Food Chemistry, 385, 132655(2022).

[24] Lu Y B, Liu W Q, Zhang Y J et al. An adaptive hierarchical Savitzky‒Golay spectral filtering algorithm and its application[J]. Spectroscopy and Spectral Analysis, 39, 2657-2663(2019).

[25] Sun W B, Zhang H Y, Zheng M K et al. Experimental teaching system of Rb saturated absorption spectroscopy[J]. Experimental Technology and Management, 37, 154-161, 194(2020).

[26] Zhang J, Tao H, Wei D et al. A laser diode system stabilized on the saturated absorption lines of rubidium atoms[J]. Acta Optica Sinica, 23, 197-201(2003).

[27] Wan J H, Liu C, Wang Y H. Laser frequency locking based on the normal and abnormal saturated absorption spectroscopy of 87Rb[J]. Chinese Physics B, 25, 044204(2016).

[28] Qu J L, Yu L, Yuan T et al. Adaptive fault diagnosis algorithm for rolling bearings based on one-dimensional convolutional neural network[J]. Chinese Journal of Scientific Instrument, 39, 134-143(2018).

[29] Bjorklund G C, Levenson M D, Lenth W et al. Frequency modulation (FM) spectroscopy[J]. Applied Physics B, 32, 145-152(1983).

[30] Hong Y, Hou X, Chen D J et al. Research on frequency stabilization technology of modulation transfer spectroscopy based on Rb87[J]. Chinese Journal of Lasers, 48, 2101003(2021).

[31] Qi H H, Yang B W, Zhao H J et al. Narrow linewidth laser frequency stabilization system for integrating sphere cold atom clock[J]. Laser & Optoelectronics Progress, 60, 1514008(2023).

[32] Wang B W, Peng X, Wang H D et al. Laser-frequency stabilization with differential single-beam saturated absorption spectroscopy of 4He atoms[J]. The Review of Scientific Instruments, 93, 043001(2022).