Realizing high efficiency spectral beam combining with dual-gratings based on conical diffraction

Juan Wu; Jianmin Li; Xinqi Yin; Lijiang Zeng; Keqiang Qiu; Chaoming Li; Hong Yan

doi:10.11884/HPLPB202032.200192

High Power Laser and Particle Beams, Volume. 32, Issue 12, 121006(2020)

Realizing high efficiency spectral beam combining with dual-gratings based on conical diffraction

Juan Wu1... Jianmin Li1, Xinqi Yin1, Lijiang Zeng2, Keqiang Qiu3, Chaoming Li4 and Hong Yan1,* |Show fewer author(s)

Author Affiliations

¹Institute of Applied Electronics, CAEP, Mianyang, China

²Department of Precision Instrument, State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, China

³National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China

⁴School of Optoelectronic Science and Engineering, Soochow University, Suzhou 215006, China

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Abstract Get PDF(in Chinese)

Figures & Tables(9)

Fig. 1. [in Chinese]

Fig. 2. [in Chinese]

Fig. 3. [in Chinese]

Fig. 4. [in Chinese]

Fig. 5. [in Chinese]

Fig. 6. [in Chinese]

Fig. 7. [in Chinese]

Table 1.
Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction
一组双MLD光栅锥面衍射合成系统参数理论值

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Table 1.
Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction
一组双MLD光栅锥面衍射合成系统参数理论值

No.	unit beam wavelength/nm	unit beam interval/mm	θ/(°)	φ/(°)	L/mm	H_i/mm	Δy_i/mm
1	1050.24	0	43.99	5.77	756	−147.654	0.042
2	1051.28	1.9	43.99	5.77	756	−147.659	0.037
3	1052.31	3.8	43.99	5.77	756	−147.665	0.031
4	1053.35	5.7	43.99	5.77	756	−147.67	0.025
5	1054.37	7.6	43.99	5.77	756	−147.676	0.019
6	1055.39	9.5	43.99	5.77	756	−147.682	0.013
7	1056.4	11.4	43.99	5.77	756	−147.689	0.007
8	1057.41	13.3	43.99	5.77	756	−147.696	0
9	1058.41	15.2	43.99	5.77	756	−147.703	−0.007
10	1059.41	17.1	43.99	5.77	756	−147.71	−0.014
11	1060.4	19.0	43.99	5.77	756	−147.717	−0.022
12	1061.39	20.9	43.99	5.77	756	−147.725	−0.029
13	1062.38	22.8	43.99	5.77	756	−147.733	−0.037
14	1063.35	24.7	43.99	5.77	756	−147.741	−0.045
15	1064.33	26.6	43.99	5.77	756	−147.749	−0.054

Table 2.
Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction
基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比
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Table 2.
Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction
基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比
No. θ/(°) φ/(°) input power/mW output power/mW combining efficiency/% diffraction type
1 43.99 5.77 23.22 21.57 92.9 conical diffraction
2 47.00 0 23.22 19.53 84.1 non-conical diffraction

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Juan Wu, Jianmin Li, Xinqi Yin, Lijiang Zeng, Keqiang Qiu, Chaoming Li, Hong Yan. Realizing high efficiency spectral beam combining with dual-gratings based on conical diffraction[J]. High Power Laser and Particle Beams, 2020, 32(12): 121006

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Paper Information

Category: Fiber Laser

Received: Jul. 8, 2020

Accepted: --

Published Online: Jan. 6, 2021

The Author Email: Yan Hong (yanhong@caep.cn)

DOI:10.11884/HPLPB202032.200192

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction一组双MLD光栅锥面衍射合成系统参数理论值

Table 1. Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction一组双MLD光栅锥面衍射合成系统参数理论值

Table 2. Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比

Table 2. Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比

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Table 1.
Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction
一组双MLD光栅锥面衍射合成系统参数理论值

Table 1.
Academic value of spectral combining approach with dual-MLD-grating based on conical diffraction
一组双MLD光栅锥面衍射合成系统参数理论值

Table 2.
Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction
基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比

Table 2.
Combining efficiency of the spectral combining approach under the conical diffraction and non-conical diffraction
基于锥面衍射和非锥面衍射的双光栅光谱合成系统的合成效率对比