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学者姓名：王璞
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摘要 ：
In this work, we present an all-fiber structured parametric oscillator capable of directly generating pulses within the 900 nm wavelength range. Leveraging the four-wave mixing effect within photonic crystal fibers, the oscillator converts the 1030 nm pump light into two distinct sidebands centered at 900 nm and 1250 nm. Employing time-dispersion-tuning techniques, we achieved a remarkable continuously tunable wavelength range spanning 60 nm, from 865 nm to 925 nm. These pulses exhibited a pulse width of 3.2 ps and a peak power of 500 W at 900 nm, with a repetition rate of 30.6 MHz.
关键词 ：
Optical parametric oscillator Optical parametric oscillator Picosecond pulses Picosecond pulses All-fiber structure All-fiber structure
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| GB/T 7714 | Chen, Yuhao , Zhao, He , Xia, Tong et al. Generating tunable picosecond pulses at 900 nm directly from the all-fiber structured parametric oscillator [J]. | OPTICS AND LASER TECHNOLOGY , 2024 , 181 . |
| MLA | Chen, Yuhao et al. "Generating tunable picosecond pulses at 900 nm directly from the all-fiber structured parametric oscillator" . | OPTICS AND LASER TECHNOLOGY 181 (2024) . |
| APA | Chen, Yuhao , Zhao, He , Xia, Tong , Cheng, Zhaochen , Zhang, Penglei , Zhang, Qian et al. Generating tunable picosecond pulses at 900 nm directly from the all-fiber structured parametric oscillator . | OPTICS AND LASER TECHNOLOGY , 2024 , 181 . |
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摘要 ：
We report a 3.1 mu m high-power amplified spontaneous emission (ASE) source in nanosecond pulse regime based on a 10-m-long acetylene-filled nested hollow core anti-resonant fiber (HC-ARF). By pumping with a homemade 1.5 mu m high-power repetition-rate-tunable nanosecond pulse single-frequency fiber laser, a maximum output power of 15 W ASE pulse light has been achieved with a repetition rate of 5 MHz, a pulse width of 58 ns, a pulse energy of 3 mu J, and a peak power of 51.7 W. To the best of our knowledge, it is the highest output power for such gas-filled HC-ARF nanosecond pulse ASE sources in 3 similar to 4 mu m mid-infrared (Mid-IR) region. In addition, we characterize the pulse width evolution at the pump laser's repetition rate of 1 MHz, 3 MHz, and 5 MHz. When the 1.5 mu m pump laser operates at a repetition rate of 1 MHz and a pulse width of 70 ns, the 3.1 mu m ASE's narrowest pulse width of 11 ns is realized, which is owing to the gain saturation effect occurs during the Mid-IR pulse amplification. This research demonstrates the capability of hollow core fiber gas lasers for high-power Mid-IR pulse generation and provides new opportunities for efficient pulse narrowing.
关键词 ：
Nanosecond pulse Nanosecond pulse Gas-filled hollow core anti-resonant fiber Gas-filled hollow core anti-resonant fiber Amplified spontaneous emission source Amplified spontaneous emission source High power High power
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| GB/T 7714 | Song, Weihua , Zhang, Qian , Zhang, Xin et al. High-power nanosecond pulse amplified spontaneous emission source at 3.1 μm based on C2H2-filled nested hollow core anti-resonant fiber [J]. | OPTICS AND LASER TECHNOLOGY , 2024 , 181 . |
| MLA | Song, Weihua et al. "High-power nanosecond pulse amplified spontaneous emission source at 3.1 μm based on C2H2-filled nested hollow core anti-resonant fiber" . | OPTICS AND LASER TECHNOLOGY 181 (2024) . |
| APA | Song, Weihua , Zhang, Qian , Zhang, Xin , Hou, Yubin , Wang, Pu . High-power nanosecond pulse amplified spontaneous emission source at 3.1 μm based on C2H2-filled nested hollow core anti-resonant fiber . | OPTICS AND LASER TECHNOLOGY , 2024 , 181 . |
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摘要 ：
We report a 4.3 pm mid -infrared (mid-IR) high -power amplified spontaneous emission (ASE) fiber source based on CO 2 -filled nested hollow -core anti -resonant fiber (Nested HC-ARF). The pump source is a homemade hundred -watt -level wavelength -tunable 2 pm single -frequency fiber laser. A 5.7 m long 8 -tube Nested HC-ARF is used as the gas cell, with a core diameter of 110 pm and cladding diameter of 400 pm, which exhibits transmission loss of 0.1 dB/m at 2 pm and 0.24 dB/m at 4.3 pm respectively. To improve the coupling efficiency of the high -power pump laser and reduce the influence of the thermal effect at the input end of the hollow -core fiber, the fiber is designed for multimode transmission at the pump wavelength. A continuous wave output power of 6.6 W at 4.3 pm is achieved, and the slope efficiency is 17.05%. To the best of our knowledge, it is the highest output power for such gas -filled HC-ARF ASE sources in 4 - 5 pm. This work demonstrates the great potential of gas -filled HC-ARF generating high -power mid-IR emission.
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| GB/T 7714 | Song, Weihua , Yao, Jingyuan , Zhang, Xin et al. 4.3 μm high-power amplified spontaneous emission fiber source based on CO2-filled nested hollow-core anti-resonant fiber [J]. | OPTICS EXPRESS , 2024 , 32 (8) : 14532-14540 . |
| MLA | Song, Weihua et al. "4.3 μm high-power amplified spontaneous emission fiber source based on CO2-filled nested hollow-core anti-resonant fiber" . | OPTICS EXPRESS 32 . 8 (2024) : 14532-14540 . |
| APA | Song, Weihua , Yao, Jingyuan , Zhang, Xin , Zhang, Qian , Hou, Yubin , Wu, Jiayu et al. 4.3 μm high-power amplified spontaneous emission fiber source based on CO2-filled nested hollow-core anti-resonant fiber . | OPTICS EXPRESS , 2024 , 32 (8) , 14532-14540 . |
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摘要 ：
In this work, a novel Nd3+-doped silica fiber preform was fabricated by the UV-curable nanocomposite technology combined with the solution doping method. The preform sample had a great homogeneity with a doping concentration of 1.14 wt% Nd3+ ions and 2.51 wt% Al3+ ions. The obtained Nd3+-doped core glass provided a relatively large emission cross section (-0.84 pm2) and a long lifetime (373 mu s) of 916 emission. On this basis, by using an 808 nm laser diode as the pump source, lasing at 916 nm was achieved from a 4 cm long fabricated Nd3+-doped silica fiber, with the corresponding slope efficiency of -13.6 %. Notably, only 2 cm-short created fiber alone was enabled for 916 nm lasing generation. Our results indicated that the created Nd3+ doped fiber by the novel approach has unique advantages and potential for compact short-cavity 0.9 mu m laser applications.
关键词 ：
916 nm laser 916 nm laser Nd 3+-doped silica fiber Nd 3+-doped silica fiber Preform Preform Nanocomposite Nanocomposite
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| GB/T 7714 | Liu, Jinming , Zheng, Baoluo , Yang, Jing et al. A novel Nd3+-doped fiber fabricated by curable nanocomposites for 916 nm laser [J]. | OPTICS AND LASER TECHNOLOGY , 2024 , 177 . |
| MLA | Liu, Jinming et al. "A novel Nd3+-doped fiber fabricated by curable nanocomposites for 916 nm laser" . | OPTICS AND LASER TECHNOLOGY 177 (2024) . |
| APA | Liu, Jinming , Zheng, Baoluo , Yang, Jing , Li, Biao , Tang, Jing , He, Huiyu et al. A novel Nd3+-doped fiber fabricated by curable nanocomposites for 916 nm laser . | OPTICS AND LASER TECHNOLOGY , 2024 , 177 . |
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摘要 ：
Hollow-core anti-resonant fibers (HC-ARFs) are widely used for high-power laser transmission owing to their low nonlinearity and high damage threshold. However, most existing structural designs are suitable for single-mode guidance but are inadequate for efficient transmission of few- or multi-mode lasers with high output power. In this study, we fabricated a low-loss multi-mode 8-tube nested hollow-core anti-resonant fiber (Nested HC-ARF) with a minimum loss of 3.27 dB/km at 1 mu m wavelength, which enabled the efficient transmission of at least five mode groups. Accordingly, we demonstrated the transmission of a record 3 kW few-mode (M-2 similar to 1.38) continuous-wave laser with a maximum transmission efficiency of 95.2% using a 10 m multi-mode Nested HC-ARF and an optimized transmission system. The experimental verification of the beam quality and spectrum indicated distortion-free transmission, which paves the way to power delivery on the scale of tens of kilowatts.
关键词 ：
Power lasers Power lasers multi-mode multi-mode Propagation losses Propagation losses Electron tubes Electron tubes laser flexible transmission laser flexible transmission Laser modes Laser modes hollow core fiber hollow core fiber Optical losses Optical losses High power laser High power laser Optical device fabrication Optical device fabrication Fiber lasers Fiber lasers
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| GB/T 7714 | Yao, Jingyuan , Zhang, Xin , Li, Biao et al. High-Efficiency Distortion-Free Delivery of 3 kW Continuous-Wave Laser Using Low-Loss Multi-Mode Nested Hollow-Core Anti-Resonant Fiber [J]. | JOURNAL OF LIGHTWAVE TECHNOLOGY , 2024 , 42 (16) : 5710-5716 . |
| MLA | Yao, Jingyuan et al. "High-Efficiency Distortion-Free Delivery of 3 kW Continuous-Wave Laser Using Low-Loss Multi-Mode Nested Hollow-Core Anti-Resonant Fiber" . | JOURNAL OF LIGHTWAVE TECHNOLOGY 42 . 16 (2024) : 5710-5716 . |
| APA | Yao, Jingyuan , Zhang, Xin , Li, Biao , Wang, Beibei , Jin, Dongchen , Duan, Yunfeng et al. High-Efficiency Distortion-Free Delivery of 3 kW Continuous-Wave Laser Using Low-Loss Multi-Mode Nested Hollow-Core Anti-Resonant Fiber . | JOURNAL OF LIGHTWAVE TECHNOLOGY , 2024 , 42 (16) , 5710-5716 . |
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摘要 ：
We demonstrate a high-energy 780 nm wavelength band femtosecond laser by utilizing single-pass frequency doubling all-PM Er-doped fiber amplifier (EDFA) in a periodically-poled lithium niobate (PPLN) crystal. The high power 1560 nm laser is realized based on chirped pulse amplification (CPA) technology, which has obtained the average power of 3.02 W, repetition frequency of 1.03 MHz, and pulse width of 640 fs. Subsequently, by using a PPLN crystal as frequency doubling element, a maximum output power of 0.46 W with 620 fs pulse width at 780.29 nm is generated, the corresponding pulse energy is 0.44 mu J and the peak power is 0.71 MW. To the best of our knowledge, the 0.44 mu J laser output in 780 nm wavelength band is the highest pulse energy generated from a frequency doubling femtosecond Er-doped PM fiber laser.
关键词 ：
High energy High energy Femtosecond laser Femtosecond laser 780 nm wavelength band 780 nm wavelength band Frequency doubling Frequency doubling Chirped pulse amplification Chirped pulse amplification
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| GB/T 7714 | Si, Guangkuo , Song, Weihua , Hou, Yubin et al. Generation of high energy 780 nm femtosecond pulses by frequency doubling of an all-polarization-maintaining Er-doped fiber laser [J]. | OPTICS COMMUNICATIONS , 2024 , 561 . |
| MLA | Si, Guangkuo et al. "Generation of high energy 780 nm femtosecond pulses by frequency doubling of an all-polarization-maintaining Er-doped fiber laser" . | OPTICS COMMUNICATIONS 561 (2024) . |
| APA | Si, Guangkuo , Song, Weihua , Hou, Yubin , Zhao, He , Zhang, Qian , Wang, Pu . Generation of high energy 780 nm femtosecond pulses by frequency doubling of an all-polarization-maintaining Er-doped fiber laser . | OPTICS COMMUNICATIONS , 2024 , 561 . |
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摘要 ：
Flexible and wearable textile -based triboelectric nanogenerators (TENGs) have attracted extensive attention in wearable electronics owing to their ability to convert waste mechanical energy from human motion into electrical energy. However, the performances of TENGs are lower than those of planar/film configurations due to the complex fiber fabrications and limited mechanical freedom. In this work, we demonstrate an extrusion method combined with thermal drawing (ETD method) for continuous and scalable triboelectric fiber fabrication, providing longitudinal uniform fibers for hundreds of kilometers. Based on the ETD method, super -elastic microstructured triboelectric fibers (SMTFs) were fabricated, consisting of hollow elastomeric and liquid metal cores (EGaIn). The SMTFs showed excellent superelasticity with clear and uniform microstructures. The fibers could withstand strain up to 1800% and exhibited excellent electrical output performance. Utilizing a single fiber as the medium for triboelectric energy collection, the average open circuit voltage and instantaneous power density are respectively up to 210 V/m and 21 mu W/m with a 40 M omega external load resistance. The SMTFs could also be woven into deformable textiles with high electrical outputs up to 160 V, 10 mu A, and 50 nC. In addition, the SMTFs-based textiles were further demonstrated as completely soft and stretchable components for self -powered sensing in smart home applications.
关键词 ：
Thermal drawing Thermal drawing Super-elastic Super-elastic Triboelectric fiber Triboelectric fiber Extrusion Extrusion Smart home Smart home
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| GB/T 7714 | Pan, Shengli , He, Huiyu , Xin, Litao et al. Super-elastic microstructured triboelectric fibers and textiles fabricated by extrusion and thermal drawing for smart-home applications [J]. | NANO ENERGY , 2024 , 122 . |
| MLA | Pan, Shengli et al. "Super-elastic microstructured triboelectric fibers and textiles fabricated by extrusion and thermal drawing for smart-home applications" . | NANO ENERGY 122 (2024) . |
| APA | Pan, Shengli , He, Huiyu , Xin, Litao , Li, Biao , Wu, Xin , Zhang, Xin et al. Super-elastic microstructured triboelectric fibers and textiles fabricated by extrusion and thermal drawing for smart-home applications . | NANO ENERGY , 2024 , 122 . |
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摘要 ：
一种Nd3+掺杂石英光纤预制棒及制备方法涉及稀土掺杂有源光纤预制棒领域。该方法包括(1)将纳米二氧化硅粉末与有机光固化树脂均匀混合得到光固化纳米复合材料。(2)将光固化纳米复合材料注入圆柱形的石英模具中在紫外灯照射下光固化成型，脱模后在600℃下脱脂烧结得到纳米多孔二氧化硅结构。(3)将多孔二氧化硅结构浸泡在含有Nd3+和Al3+的溶液中2～3h后取出，在1100℃及氧气和氦气气氛下干燥除杂。(4)将完成元素掺杂及干燥的多孔二氧化硅结构装入石英管中，经过真空高温烧结致密化和缩棒工艺。本发明无需大型昂贵的设备，在室温下即可通过光固化成型实现不同形状以及不同尺寸的芯棒制备，而且原料成本低、利用率高，极大的提高了效率，降低了制备门槛。
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| GB/T 7714 | 王璞 , 柳锦铭 , 杨晶 et al. 一种Nd3+掺杂石英光纤预制棒及制备方法 : CN202310199715.3[P]. | 2023-03-05 . |
| MLA | 王璞 et al. "一种Nd3+掺杂石英光纤预制棒及制备方法" : CN202310199715.3. | 2023-03-05 . |
| APA | 王璞 , 柳锦铭 , 杨晶 , 何蕙羽 . 一种Nd3+掺杂石英光纤预制棒及制备方法 : CN202310199715.3. | 2023-03-05 . |
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摘要 ：
本发明提出了一种基于神经网络的空芯反谐振光纤熔接方法，包括以下步骤：(1)构建神经网络模型；(2)获取学习样本；(3)训练神经网络；(4)对空芯反谐振光纤熔接进行建模。该方法选用15输入、2输出的三层BP神经网络；获取的学习样本参数包括空芯反谐振光纤参数、单模光纤参数、熔接机熔接程序参数及对应状态下光纤熔接损耗和熔接点强度；其中单模光纤首先经过处理，与空芯反谐振光纤的外径和模场直径匹配，通过MATLAB中的神经网络工具箱对采样获取的原始样本集进行训练，实现空芯反谐振光纤熔接的建模，克服熔接过程中存在的随机性导致的熔接过程重复率低、普适性差的问题，大幅度提高空芯反谐振光纤熔接的精度与效率。
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| GB/T 7714 | 王璞 , 万双琴 , 张鑫 et al. 一种基于神经网络的空芯反谐振光纤熔接方法 : CN202310164827.5[P]. | 2023-02-26 . |
| MLA | 王璞 et al. "一种基于神经网络的空芯反谐振光纤熔接方法" : CN202310164827.5. | 2023-02-26 . |
| APA | 王璞 , 万双琴 , 张鑫 , 姚静远 , 金宇龙 . 一种基于神经网络的空芯反谐振光纤熔接方法 : CN202310164827.5. | 2023-02-26 . |
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摘要 ：
本发明公开一种制备空芯光纤和空芯光纤预制棒的装置，属于光学与激光光电子技术领域；该装置包括：激光器；聚焦组件，其包括聚焦镜；转动组件，其用于轴向转动待加工光纤；其中，所述聚焦镜用于将激光器发出的激光聚焦到待加工光纤上。本发明使毛细管有着最小的形变，并且适用于任意壁厚的玻璃管，有着广泛的适用性。还可进行尺寸缩放，以制造出几何形状均匀的长预制棒，从而拉制出更长的光纤。该方法可以实现矩形、六边形或不规则形状的加工，可制备出结构更为多样性的空芯光纤。此外，激光焊接过程减少了人工的操作需要，不仅减少了污染，还提高了制造的速度与精度，更加自动化生产。
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| GB/T 7714 | 王璞 , 姚静远 , 张鑫 et al. 一种制备空芯光纤和空芯光纤预制棒的装置及制备方法 : CN202310650061.1[P]. | 2023-06-02 . |
| MLA | 王璞 et al. "一种制备空芯光纤和空芯光纤预制棒的装置及制备方法" : CN202310650061.1. | 2023-06-02 . |
| APA | 王璞 , 姚静远 , 张鑫 , 万双琴 , 金宇龙 . 一种制备空芯光纤和空芯光纤预制棒的装置及制备方法 : CN202310650061.1. | 2023-06-02 . |
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