Article
Optics
Jiaxin He, Feifei Wei, Huilong Liu, Jing Xia, Rui Yang, Yanfei Lu
Summary: In this study, the first tunable continuous-wave simultaneous dual-wavelength laser operation of a Pr3+:LiYF4 crystal in the 900 nm spectral range using a single birefringent filter (BF) was achieved by adjusting the rotation angle of the BF. CW simultaneous dual-wavelength lasers operating at 869 and 915 nm, 894 and 915 nm, 915 and 923 nm were obtained respectively.
LASER PHYSICS LETTERS
(2021)
Article
Optics
Zhuang Li, Shaoqiang Zheng, Zhiping Cai, Run Fang, Bo Xiao, Huiying Xu
Summary: We present a continuously broadband tunable Pr3+:LiYF4 (Pr:YLF) laser in the near-infrared spectra range pumped by InGaN laser diodes (LDs). The upper energy level of the laser utilizes composite energy levels (3P0,1,1I6). The laser achieves a continuous tuning range of 855 nm to 931 nm (width of 77 nm) for pi-polarization and 850 nm to 912 nm (width of 63 nm) for sigma-polarization, with absorbed pumped power of approximately 9 W at 444 nm. The laser also demonstrates the highest tuning power and widest continuous tuning range to date, with the ability to generate thirteen new wavelengths in the Pr:YLF crystal.
OPTICS AND LASER TECHNOLOGY
(2023)
Article
Instruments & Instrumentation
Zhuang Li, Rongfei Huang, Shaoqiang Zheng, Huiying Xu, Zhiping Cai
Summary: We report the first InGaN laser diode pumped 915nm single-longitudinal-mode Pr:YLF laser. By inserting F-P etalons with different thicknesses, an all-solid-state 915nm SLM laser with narrow spectral linewidth and high beam quality is achieved. The experimental results are well-matched with the theoretical simulation.
INFRARED PHYSICS & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Zhuang Li, Rongfei Huang, Wei Yuan, Shaoqiang Zheng, Wenlu Liao, Huiying Xu, Zhiping Cai
Summary: This study reports the first realization of an 868 nm Pr:YLF laser pumped by an InGaN blue laser diode. The laser achieved a maximum power of 641 mW with stable output and good beam quality. The experimental results were in agreement with theoretical simulations.
Article
Optics
Xiuji Lin, Qichen Feng, Yao Zhu, Shuaihao Ji, Bo Xiao, Huiying Xu, Wensong Li, Zhiping Cai
Summary: A novel wavelength-switchable visible continuous-wave Pr3+：YLF laser was developed, achieving high output powers and slope efficiencies, including dual-wavelength and triple-wavelength laser operations, as well as the demonstration of first-order vortex lasers.
OPTO-ELECTRONIC ADVANCES
(2021)
Article
Physics, Applied
Huilong Liu, Zhexian Zhao, Jing Xia, Yanfei Lu
Summary: A tunable Pr3+:LiYF4 laser was demonstrated to operate at nine different laser wavelengths using a single birefringent filter, with new wavelengths obtained and a total tuning range exceeding 190nm. Additionally, a continuous-wave simultaneous dual-wavelength laser was achieved by adjusting the rotation angle of the filter plate, showing maximum output powers at 698nm and 720nm.
JOURNAL OF APPLIED PHYSICS
(2021)
Article
Engineering, Electrical & Electronic
Teng Zhang, Wanxin Zheng, Kai Feng, Dong Wang, Bin Xu, Zhengqian Luo, Zhenfang Yu, Xudong Cui, Mauro Luciano Baesso, Tomaz Catunda
Summary: This study demonstrates high-power continuous-wave ultraviolet laser generation through intracavity frequency doubling, and replaces the use of He-Cd vapor laser with solid-state 320 nm ultraviolet laser in various applications.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2022)
Article
Optics
Weihang Cao, Zhengdong Dai, Run Fang, Zhongyu Wang, Yuchen Xue, Bo Xiao, Huiying Xu, Zhiping Cai
Summary: Continuous-wave deep red lasers at 696.6 and 698.6 nm were achieved in a Pr3+:YLF crystal pumped by an InGaN laser diode. A Lyot filter was used as a birefringent filter in the cavity to select the wavelengths, and the lasers achieved maximum output powers of 1.36 and 3.11 W, respectively. The output powers of these lasers are the highest reported so far, and this is the first demonstration of scaling the output power of the Pr3+:YLF laser to the watt level at around 696 nm. The experimental phenomena were also explained through theoretical analysis and simulation.
CHINESE OPTICS LETTERS
(2023)
Article
Optics
Zhengda Sun, Feifei Wang, Haiping Xia, Hongkun Nie, Kejian Yang, Ruihua Wang, Jingliang He, Baitao Zhang
Summary: This study investigated the absorption and fluorescence spectra of Er3+ and Pr3+ co-doped LiYF4 crystals, showing that Pr3+ co-doping effectively enhances the mid-infrared transition of Er3+. Using Judd-Ofelt theory, the stimulated emission cross section was calculated and a diode-end-pumped Er,Pr:YLF laser operating at 2659 nm was successfully realized for the first time. This laser showed promising potential for 2.7 μm laser generation.
CHINESE OPTICS LETTERS
(2021)
Article
Optics
Xiuji Lin, Mingpo Chen, Qichen Feng, Shuaihao Ji, Shengwei Cui, Yao Zhu, Bo Xiao, Wensong Li, Huiying Xu, Zhiping Cai
Summary: High-power continuous-wave lasers at 639 nm were obtained by LD pumping on a lowly-doped Pr3+:YLF crystal, achieving output powers of 8.14 W for quasi-fundamental mode laser and 6.03 W for vortex lasers. The results provide theoretical guidance for designing high-power Laguerre-Gaussian lasers.
OPTICS AND LASER TECHNOLOGY
(2021)
Article
Engineering, Electrical & Electronic
Yuchen Xue, Zhengdong Dai, Weihang Cao, Zhongyu Wang, Bo Xiao, Huiying Xu, Zhiping Cai
Summary: This paper presents the first demonstration of three new wavelengths in the sigma-polarized direction using a continuous-wave Pr3+:LiYF4 laser. The transitions mechanism is proposed based on dual upper energy levels and Stark sub-levels. The lasers achieve high output power at room temperature.
IEEE JOURNAL OF QUANTUM ELECTRONICS
(2023)
Article
Physics, Multidisciplinary
Mao Lin, Zhang Xiao-Jian, Li Chun-Ling, Zhu Ren-Jiang, Wang Li-Jie, Song Yan-Rong, Wang Tao, Zhang Peng
Summary: This paper presents a broadband continuously tunable semiconductor disk laser using an InGaAs multiple quantum well gain chip, which achieves low cavity loss and wide tuning range with a simple linear cavity and birefringent filters.
ACTA PHYSICA SINICA
(2021)
Article
Engineering, Electrical & Electronic
Yongzhi Wang, Hongyu Luo, Han Wu, Jianfeng Li, Yong Liu
Summary: This paper reports a widely tunable pulsed dysprosium-doped fluoride fiber laser with a continuous wavelength range of 545 nm in the mid-infrared region of 3 μm. This work demonstrates the potential of this laser as a platform for developing widely tunable pulsed sources in the mid-infrared region.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2022)
Article
Optics
A. Srinivasa Rao, Taku Miike, Katsuhiko Miamoto, Takashige Omatsu
Summary: An ultra-compact green orbital Poincare Pr3+:LiYF4 laser demonstrates high output power and efficiency through unique pumping geometry and laser mode manipulation. This laser system is able to generate higher-order structured modes directly from the cavity, showcasing its versatility and capabilities.
Article
Materials Science, Multidisciplinary
Yuchen Wang, Toney T. Fernandez, Pinghua Tang, Nicola Coluccelli, Stuart D. Jackson, Mario C. Falconi, Francesco Prudenzano, Paolo Laporta, Gianluca Galzerano
Summary: This study comprehensively characterizes the tunable continuous-wave and passive Q-switching laser performance of Dy-doped zirconium fluoride fiber emitting at around 3 μm. The optimal pump wavelengths, fiber lengths, output coupling efficiencies, and cavity parameters are determined, leading to high laser slope efficiency and a wide tuning range. Passively Q-switched laser operation is achieved using a semiconductor saturable absorber mirror, demonstrating stable operation and high pulse energy.
OPTICAL MATERIALS EXPRESS
(2022)
