Blue LD-pumped electro-optically Q-switched Pr:YLF visible laser with kilowatt-level peak power

Yang, Zining; Din, Syed Zaheer Ud; Wang, Pengchao; Li, Chun; Lin, Zhiwei; Leng, Jiancai; Liu, Jie; Xu, Lin; Yang, Qi

doi:10.1016/j.optlastec.2021.107711

Cited by 13 publications

(3 citation statements)

References 18 publications

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“…The highest pulse energy of 3.94 μJ and the pulse duration of 81.1 ns were obtained at a repetition of 10 kHz. Most recently, in 2021, Yang et al first reported the development of a blue LD-pumped electro-optic (EO) Qswitched Pr:YLF laser, which achieved high-energy visible light output at 639 nm [30] . The shortest pulse duration of 137 ns is obtained at the repetition rate of 100 Hz, corresponding to a single-pulse energy of 260 μJ and peak power of 1.90 kW.…”

Section: Introductionmentioning

confidence: 99%

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Xue,

Zhang,

Dai

et al. 2024

中国光学快报

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We present a study on a watt-level acousto-optically Q-switched Pr:YLF laser at three different repetition rates (10 kHz, 20 kHz, and 50 kHz) for the first time, to the best of our knowledge. The corresponding average output powers and pulse widths were measured to be 1.14 W, 1.2 W, and 1.32 W, and 40 ns, 52 ns, and 80 ns, respectively. A maximum pulse energy of 0.11 mJ was obtained, corresponding to a peak power of up to 2.8 kW at a repetition rate of 10 kHz. The simulated dynamics of a fast Q-switched Pr:YLF laser is in agreement with the experiment. The laser's ability to generate stable pulses with high peak power and short pulse width makes it highly desirable for various practical applications, such as laser machining and material processing.

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Section: Introductionmentioning

confidence: 99%

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Xue,

Zhang,

Dai

et al. 2024

中国光学快报

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“…Owing to the large energy pulses, low cost, and compact structure, the 1.5 μm all-fiber short pulsed lasers have wide and momentous applications in LiDAR [ 1 ], remote sensing [ 2 ], supercontinuum spectrum [ 3 ], space communication [ 4 ], and biomedical diagnostics [ 5 ]. The passive Q-switching technique is one of the most effective methods to generate pulsed lasers [ 6 , 7 , 8 , 9 ]. By applying the Q-switched mechanism, short pulses can be achieved with durations of microseconds (μs) or nanoseconds (ns) and a low repetition rate of kilohertz (kHz) [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

Quasi-2D Mn3Si2Te6 Nanosheet for Ultrafast Photonics

Zhou

Kan

et al. 2023

Nanomaterials

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The magnetic nanomaterial Mn3Si2Te6 is a promising option for spin-dependent electronic and magneto-optoelectronic devices. However, its application in nonlinear optics remains fanciful. Here, we demonstrate a pulsed Er-doped fiber laser (EDFL) based on a novel quasi-2D Mn3Si2Te6 saturable absorber (SA) with low pump power at 1.5 μm. The high-quality Mn3Si2Te6 crystals were synthesized by the self-flux method, and the ultrathin Mn3Si2Te6 nanoflakes were prepared by a simple mechanical exfoliation procedure. To the best of our knowledge, this is the first time laser pulses have been generated using quasi-2D Mn3Si2Te6. A stable pulsed laser at 1562 nm with a low threshold pump power of 60 mW was produced by integrating the Mn3Si2Te6 SA into an EDFL cavity. The maximum power of the output pulse is 783 μW. The repetition rate can vary from 24.16 to 44.44 kHz, with corresponding pulse durations of 5.64 to 3.41 µs. Our results indicate that the quasi-2D Mn3Si2Te6 is a promising material for application in ultrafast photonics.

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“…[18][19][20] Compared with active Q-switching, passive Q-switching largely depends on saturable absorbers (SAs) whose modulated parameters are beyond manual control, resulting in low pulse energy and unstable repetition rate. Active Q-switching has been done through diverse types of mechanical devices, containing rotating mirrors, prisms, electro-optical (EO) crystals, [21,22] and acousto-optical (AO) crystals. [23] The rotating mirror Q-switched laser has complex structure and poor Q-switched stability and the EO Q-switched laser needs a pretty high voltage circuit of several thousand volts.…”

Section: Introductionmentioning

confidence: 99%

Mid-infrared lightly Er³⁺-doped CaF₂ laser under acousto–optical modulation

Zhao

Zong²,

Jian³

et al. 2023

Chinese Phys. B

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In this letter, a 1.7at.% Er:CaF2 crystal was synthesized by temperature gradient method. The Er:CaF2 crystal was applied in acousto-optically Q-switched laser at mid-infrared region for the first time. Using a TeO2-based crystal as Q-switcher, we obtained a laser diode(LD) end-pumped Er:CaF2 laser with the highest single pulse energy up to 0.49 mJ and maximum peak power of 0.56 kW under 6.34 W absorbed pump power. The implication of these results is that the low-doped Er:CaF2 crystal exhibits promising optical properties in solid-state lasers.

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Blue LD-pumped electro-optically Q-switched Pr:YLF visible laser with kilowatt-level peak power

Cited by 13 publications

References 18 publications

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Quasi-2D Mn3Si2Te6 Nanosheet for Ultrafast Photonics

Mid-infrared lightly Er³⁺-doped CaF₂ laser under acousto–optical modulation

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Blue LD-pumped electro-optically Q-switched Pr:YLF visible laser with kilowatt-level peak power

Cited by 13 publications

References 18 publications

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm

Quasi-2D Mn3Si2Te6 Nanosheet for Ultrafast Photonics

Mid-infrared lightly Er3+-doped CaF2 laser under acousto–optical modulation

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Mid-infrared lightly Er³⁺-doped CaF₂ laser under acousto–optical modulation