[1] Jin K, Zhou W Y. Wireless laser power transmission: a review of recent progress[J]. IEEE Transactions on Power Electronics, 34, 3842-3859(2019).

[2] Wang X D, Lu C B, Wang C F et al. Methods for testing the performance of long-distance wireless power transmission systems[J]. EURASIP Journal on Wireless Communications and Networking, 2020, 251(2020).

[3] Chen L H, Yang G W, Liu Y X. Development of semiconductor lasers[J]. Chinese Journal of Lasers, 47, 0500001(2020).

[4] Ning Y Q, Chen Y Y, Zhang J et al. Brief review of development and techniques for high power semiconductor lasers[J]. Acta Optica Sinica, 41, 0114001(2021).

[5] Tan H, Meng H C, Yu J H et al. Hundred-watt level spectral beam combining diode laser source based on mini-bar stack[J]. Acta Optica Sinica, 35, 1114002(2015).

[6] Chann B, Huang R K, Missaggia L J et al. Near-diffraction-limited diode laser arrays by wavelength beam combining[J]. Optics Letters, 30, 2104-2106(2005).

[7] Gopinath J T, Chann B, Fan T Y et al. 1450-nm high-brightness wavelength-beam combined diode laser array[J]. Optics Express, 16, 9405-9410(2008).

[8] Huang R K, Chann B, Burgess J et al. Teradiode’s high brightness semiconductor lasers[J]. Proceedings of SPIE, 9730, 97300C(2016).

[9] Yu H, Tan S Y, Pan H D et al. Development of a 350 W, 50 μm, 0.15 NA wavelength stabilized fiber coupled laser diode module for pumping Yb-doped fiber laser[J]. Proceedings of SPIE, 11262, 112620V(2020).

[10] Villarreal F, Zhou W, Roethle J et al. Advances in blue and near-IR high-power/high-brightness direct diode lasers using wavelength beam combining[J]. Proceedings of SPIE, 11262, 112620U(2020).

[11] Strohmaier S G, Erbert G, Meissner-Schenk A H et al. kW-class diode laser bars[J]. Proceedings of SPIE, 10086, 100860C(2017).

[12] Zhang J, Peng H Y, Fu X H et al. CW 50 W/M2＝10.9 diode laser source by spectral beam combining based on a transmission grating[J]. Optics Express, 21, 3627-3632(2013).

[13] Peng H Y, Zhang J, Fu X H et al. High-efficiency external cavity spectral-beam-combined diode laser array[J]. Chinese Journal of Lasers, 40, 070201(2013).

[14] Zhang J, Peng H Y, Liu Y et al. Hundred-watt diode laser source by spectral beam combining[J]. Laser Physics Letters, 11, 125803(2014).

[15] Zhang J, Peng H Y, Fu X H et al. High-brightness 800-nm semiconductor laser source based on spectral beam combining[J]. Chinese Journal of Lasers, 47, 0701021(2020).