Propagation of High-Power Picosecond Pulse at 1064 nm Using Nodeless Anti-Resonant Hollow-Core Fibre

Wenju Lu; Xin Zhang; Kuan Zhu; Keming Du; Pu Wang

doi:10.3788/CJL202249.0306001

Chinese Journal of Lasers, Volume. 49, Issue 3, 0306001(2022)

Propagation of High-Power Picosecond Pulse at 1064 nm Using Nodeless Anti-Resonant Hollow-Core Fibre

Wenju Lu^1,2,3, Xin Zhang^1,2,3, Kuan Zhu^1,2,3, Keming Du⁴, and Pu Wang^1,2,3、*

¹Beijing Engineering Research Center of Laser Technology, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China

²Key Laboratory of Trans-Scale Laser Manufacturing Technology (Beijing University of Technology), Ministry of Education, Beijing 100124, China

³Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

⁴Edgewave GmbH, Würselen 52146, Germany

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Fig. 1. Experimental device for space propagation of nodeless anti-resonant hollow-core fibre (NL-HCF)

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Fig. 2. SEM image, transmission and loss spectra of fabricated NL-HCF. (a) SEM image; (b) transmission and loss spectra

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Fig. 3. Propagation efficiency of ultra-short pulse laser passes through different lengths of NL-HCF

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Fig. 4. Autocorrelation traces of ultra-short pulse laser passes through different lengths of NL-HCF

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Fig. 5. Variations of output spectra at different input single-pulse energies. (a) 1 m NL-HCF; (b) 3.3 m NL-HCF

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Table 1. Bending loss of NL-HCF at 1064 nm
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Table 1. Bending loss of NL-HCF at 1064 nm
Bending diameter/cm Bending loss /(dB·m^-1)
20 0.37
30 0.1
40 0.03
50 0.015

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Wenju Lu, Xin Zhang, Kuan Zhu, Keming Du, Pu Wang. Propagation of High-Power Picosecond Pulse at 1064 nm Using Nodeless Anti-Resonant Hollow-Core Fibre[J]. Chinese Journal of Lasers, 2022, 49(3): 0306001

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