Lingqiang Meng, Pengyang Zhao, Fanchao Meng, Long Chen, Yong Xie, Yikun Wang, Wei Bian, Jianjun Jia, Tao Liu, Shougang Zhang, Jianyu Wang. Design and fabrication of a compact, high-performance interference-filter-based external-cavity diode laser for use in the China Space Station[J]. Chinese Optics Letters, 2022, 20(2): 021407
- Chinese Optics Letters
- Vol. 20, Issue 2, 021407 (2022)
Fig. 1. Optical schematic of the IF-ECDL. LD, laser diode; AL1, aspherical lens 1; IF, interference filter; AL2, aspherical lens 2; PZT, piezoelectric ceramic; PRM, partially reflective mirror; AL3, aspherical lens 3.
Fig. 2. IF-ECDL 3D view. (a) External view. (b) Cross-sectional view. PS, protective shell; HS, heat sink; TEC, thermal electric cooler.
Fig. 3. Electric current versus output power curves of IF-ECDL and bared LD.
Fig. 4. Beam quality measurement results of the IF-ECDL.
Fig. 5. Wavelength of the IF-ECDL when adjusting the voltage of the PZT.
Fig. 6. Wavelength of the IF-ECDL when adjusting the electric current of the LD in the range of (a) 41.1 to 66.0 mA and (b) 64.4 to 65.1 mA.
Fig. 7. Wavelength of the IF-ECDL when adjusting the temperature of the LD.
Fig. 8. Long-term wavelength measurement results of the IF-ECDL under the conditions of (a) without secondary temperature control and (b) with secondary temperature control.
Fig. 9. Aerospace environmental tests equipment and the IF-ECDL for the tests. (a) Vibration test bench. (b) Temperature test chamber. (c) Developed IF-ECDL for the tests.
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Table 1. Parameters of the Sinusoidal Vibration Test
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Table 2. Parameters of the Random Vibration Test
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