Optical spectroscopy of Er:YSGG laser crystal

Yang, Chaoqun; Li, Qingfang; Zhang, Qingli; Luo, Jianqiao

doi:10.1016/j.jlumin.2010.03.027

Cited by 17 publications

(4 citation statements)

References 8 publications

(12 reference statements)

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“…Based on the above merits, MIR lasers have been widely applied in the fields of spectroscopic detection, gas monitoring, and medical surgery. [1][2][3][4] In addition, these waveband lasers can be used as an ideal pumping source for optical parametric oscillators (OPO) or optical parametric generation (OPG) in realizing 3-5 and 8-12 μm mid-infrared lasers, which have significant applications in the fields of optoelectronic countermeasures, radars and remote sensing. [5][6][7][8] To date, Er 3+ -doped lasers have been realized within host materials, such as garnet (YSGG, GYSGG), 9,10 sesquioxide (Lu 2 O 3 , Y 2 O 3 ), 11,12 fluoride (YLF, CaF 2 ), etc.…”

Section: Introductionmentioning

confidence: 99%

2.79 μm laser performance of a 968 nm LD side-pumped Er:LuYSGG mixed crystal

et al. 2022

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Section: Introductionmentioning

confidence: 99%

2.79 μm laser performance of a 968 nm LD side-pumped Er:LuYSGG mixed crystal

et al. 2022

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“…Furthermore, Er 3+ -doped garnet crystals have tremendous potential in the mid-infrared field, because they have good thermal performance and high optical quality in this region. Among several Er 3+ -doped garnet crystals, Er:YSGG shows a lower pumping threshold and higher conversion efficiency [7][8][9][10][11][12]. In this work, our goal is to grow a series of 30% Er 3+ :Y 3 (Sc x Ga 1−x ) 5 O 12 crystals, and to explore how the proportion of Sc 3+ /Ga 3+ in the fibers can affect the fluorescence characteristics, and especially the emission wavelength at around~3.0 µm.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Y2.1Er0.9(ScxGa1−x)5O12 Matrix Components on the Spectral Properties around 3.0 μm by Micro-Pulling-Down Method

Che

Zhang

et al. 2019

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Single crystal fibers of 30% Er3+-doped compound of Y3(ScxGa1−x)5O12 have been grown by using the micro-pulling down (μ-PD) technique successfully. Our main purpose is to tune the fluorescence properties by adjusting the ratios of Sc3+ and Ga3+ ions inside the matrix crystals. The crystal structures of the series compounds were measured and analyzed through X-ray diffraction (XRD) measurements. The components and doping elements distributions were measured by the X-ray Fluorescence spectrometry and electron-probe microanalyzer. The absorption and mid-infrared fluorescence spectra, including the fluorescent lifetime of Er3+:4I13/2 and 4I11/2 levels were measured and compared systematically at room temperature. Spectral analysis indicated that the fluorescent lifetime of Er3+:4I13/2 tended to shorten and the emission spectra began to show a red shift when the proportion of YSG increased in the compound. Furthermore, the Raman spectra were measured to reveal the variations of lattice vibration and phonon energy.

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“…The Er:YSGG (Er:Y 3 Sc 2 Ga 3 O 12 ) crystal exhibits a favorable ratio of the upper to lower laser level lifetime and a significantly long upper laser level lifetime, suggesting that this crystal could lead to an efficient laser source with great energy storage potential for Q-switching [7,8]. Dinerman and Moulton reported a CW (continuous-wave) laser output at 2.79 µm with power of 511 mW from a laser-diode pumped Er:YSGG crystal [9].…”

Section: Introductionmentioning

confidence: 99%

Investigation of laser-diode end-pumped Er:YSGG/YSGG composite crystal lasers at 2.79 μm

et al. 2013

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The advantages of laser-diode end-pumped Er:YSGG/YSGG composite crystals in reducing thermal effects and improving output power are investigated theoretically and experimentally. Compared with Er:YSGG, the temperature rise and total additional optical path difference of Er:YSGG/YSGG are evidently reduced because of the thermal conduction effects of the undoped YSGG crystal. The maximum continuous-wave output power of 504 mW with slope efficiency of 11.2%, and 900 mW with slope efficiency of 12.1%, at 2.79 µm is obtained in a 970 nm laser-diode end-pumped Er:YSGG crystal and Er:YSGG/YSGG crystal, respectively. To our knowledge, the output power of the Er:YSGG/YSGG crystal is the highest value for a laser-diode end-pumped Er:YSGG crystal. The thermal focal length of Er:YSGG and Er:YSGG/YSGG is respectively 36 and 51.8 mm when the pump power is 5.94 W. Investigations demonstrate that the Er:YSGG/YSGG composite crystal has great advantages in reducing the influence of thermal effects and improving output power.

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Optical spectroscopy of Er:YSGG laser crystal

Cited by 17 publications

References 8 publications

2.79 μm laser performance of a 968 nm LD side-pumped Er:LuYSGG mixed crystal

2.79 μm laser performance of a 968 nm LD side-pumped Er:LuYSGG mixed crystal

Investigation of Y2.1Er0.9(ScxGa1−x)5O12 Matrix Components on the Spectral Properties around 3.0 μm by Micro-Pulling-Down Method

Investigation of laser-diode end-pumped Er:YSGG/YSGG composite crystal lasers at 2.79 μm

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