Dynamics of the lasing spectrum of a 3-μm Er:YLF laser with semiconductor pumping

Inochkin, M. V.; Назаров, В. Е.; Sachkov, Dmitry; Khloponin, L. V.; Khramov, V. Yu.

doi:10.1364/jot.76.000720

Cited by 9 publications

(4 citation statements)

References 8 publications

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“…Their concentrations range from 1.7 at.% to 5 at.% [78][79][80][81][82][83][84][85][86][87][88][89][90]. Er:YLF crystals commonly have an Er 3+ doping concentration of 15 at.% [91][92][93][94][95][96][97][98][99][100][101][102][103]. Compared with garnet crystals, fluoride crystals have lower phonon energies [2,7,51,82,83,86] (447 cm −1 ; 280 cm −1 ; 322 cm −1 ) that help to reduce the non-radiative transition and multi-phonon relaxation probability between energy levels.…”

Section: Development Status Of Er-doped Fluoride Crystals and Their L...mentioning

confidence: 99%

“…It realized 2720-2840 nm tuning at 11 different wavelengths. In 2012, M. V. Inochkin [96][97][98][99] used Fe:ZnSe crystals for Q-switching, and the device is shown in Figure 5b. It obtained a 2.81 µm laser output of 3 mJ and a pulse width of 30 ns [96][97][98][99].…”

Section: Er:ylfmentioning

confidence: 99%

“…In 2012, M. V. Inochkin [96][97][98][99] used Fe:ZnSe crystals for Q-switching, and the device is shown in Figure 5b. It obtained a 2.81 µm laser output of 3 mJ and a pulse width of 30 ns [96][97][98][99]. In 2018, Manuel Messner proposed a new diode-side-pumped Er:YLF scheme [91].…”

Section: Er:ylfmentioning

confidence: 99%

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Development of the 2.7 μm to 3 μm Erbium-Doped Laser

Liu,

Gu,

Liu

et al. 2023

Crystals

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The 3 μm wavelength band laser is located on the strong absorption peak of water and the atmospheric transmission window. The 3 μm laser with high single pulse energy is used in medical treatment for cutting soft tissues and bones during surgery. It is used as a pump source for optical parametric oscillators, and Fe lasers can realize 3~5 μm or 8~14 μm laser output, which has an irreplaceable role in certain areas (e.g., optoelectronic countermeasures, LIDAR, atmospheric monitoring, etc.). Commercial semiconductor-pumped Er lasers are capable of achieving 3 μm laser output of 600 mJ with the maturation of a 970 nm semiconductor laser. The conversion efficiency is significantly improved. However, the energy is lower than a flash-lamp-pumped Er laser. There are still serious crystal thermal effects and an inefficient conversion process. In this paper, the energy-level systems of 3 μm Er-doped lasers are discussed. A summary of the current state of research on Er lasers using different matrices and the commercialization of Er-doped lasers with wavelengths ranging from 2.7 μm to 3 μm is also provided. Several technical means are given to enhance laser performance. Furthermore, the development of Er-doped solid-state lasers with wavelengths between 2.7 and 3 μm is envisaged in the near future.

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Section: Development Status Of Er-doped Fluoride Crystals and Their L...mentioning

confidence: 99%

Section: Er:ylfmentioning

confidence: 99%

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Development of the 2.7 μm to 3 μm Erbium-Doped Laser

Liu,

Gu,

Liu

et al. 2023

Crystals

View full text Add to dashboard Cite

show abstract

“…Laser gain media research included studies of emission and gain in glass ceramics containing Tm, Ho:BaF 2 nanocrystals [21] for 2-m lasing and theoretical and experimental investigations of 3-m laser action in Er:YLF [22]. Additionally, studies of optical bistability [23] and thermal lensing [24] in Tm,Ho:YLF and Tm:YLF, respectively, were reported.…”

Section: Introductionmentioning

confidence: 99%