Abstract
We report an 11 kW laser incoherent space beam combiner with circular spot, which uses 19 semiconductor laser beams of about 972 nm. Based on the established multi-beam laser volumetric heat source model, the thermal–mechanical performance of all optical elements in the beam combiner, including temperature field, thermal deformation, and thermal stress, is analyzed, using the finite element method (FEM). The high accuracy of FEM model is verified based on the high coincidence between the experimentally measured and simulated temperature values of the window element. After a continuous operation of 1,800 s, the maximum beam combining power of the circular combining laser beam reaches 11 kW (measurement uncertainty ±3%). Results of theoretical simulations and experimental measurements show that the beam combiner has good safety and stability under the long-time irradiation beyond the 11 kW high-power laser. Our research has a reference value for an effective evaluation of the working performance of ultra-high-power laser systems.
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References
M. John, P. R. Kalvala, M. Misra, et al., Materials, 14, 3841 (2021).
D. Majumder, S. D. Chowdhury, and A. Pal, IEEE J. Sel. Top. Quantum Electron., 27, 0900409 (2021).
B. Y. Han, Y. W. Xu, K. B. Zhou, et al., J. Russ. Laser Res., 42, 598 (2021).
G. Q. Yang, L. S. Liu, Z. H. Jiang, et al., Opt. Laser Technol., 101, 372 (2018).
Y. Bai, G. Z. Lei, H. W. Chen, et al., IEEE Access, 7, 154457 (2019).
S. I. Derzhavin, V. P. Yakunin, R. V. Grishaev, et al., J. Russ. Laser Res., 41, 434 (2020).
J. Peñano, P. Sprangle, A. Ting, et al., Opt. Soc. Am. B: Opt. Phys., 26, 503 (2009).
H. B. Wang, Y. L. Song, Y. F. Yang, et al., Opt. Express, 28, 33334 (2020).
M. Tian, D. Chu, Q. Yuan, et al., Opt. Laser Technol., 139, 106952 (2021).
B. C. Davis, G. S. Glaesemann, and I. Reimanis, J. Am. Ceram. Soc., 103, 7135 (2020).
P. F. Pan, H. W. Song, Z. H. Yang, et al., Silicon, 13, 3163 (2021).
Q. H. Zhou, L. F. Chen, and X. Y. Xu., Opt. Commun., 284, 4207 (2011).
H. Chen, H. J. Yang, X. F. Yu, et al., Appl. Opt., 52, 4370 (2013).
Y. Jiang, S. B. He, W. Liao, et al., J. Non-Cryst. Solids, 515, 1 (2019).
J. Y. Natoli, L. Gallais, H. Akhouayri, et al., Appl. Opt., 41, 3156 (2002).
R. Br¨uckner, J. Non-Cryst. Solids, 5, 123 (1970).
R. N. Raman, M. J. Matthews, J. J. Adams, et al., Opt. Express, 18, 15207 (2010).
V. N. Mahajan and E. Acosta, Appl. Opt., 59, 120 (2020).
D. J. Brady and N. Hagen, Opt. Express, 17, 10659 (2009).
C. A. Klein, Opt. Eng., 48, 113401 (2009).
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Tian, X., Bai, Y., Li, B. et al. Finite Element Thermal Analysis of Optical Elements in a Laser Incoherent Space Beam Combiner. J Russ Laser Res 43, 579–589 (2022). https://doi.org/10.1007/s10946-022-10082-x
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DOI: https://doi.org/10.1007/s10946-022-10082-x