Nd:GdScO3 crystal: Polarized spectroscopic, thermal properties, and laser performance at 1.08 µm

Zhang, Yuhang; Huang, Cheng Hung; Xu, M.; Fang, Qiannan; Li, Shanming; Lin, Wenfang; Deng, Guoliang; Zhao, Chengchun; Yin, Hao

doi:10.1016/j.optlastec.2023.109709

Cited by 11 publications

(4 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The output wavelengths of Table 2. Spectroscopic Parameters of Nd:YAG, 34,35 Nd:YVO 4 , 36,37 Nd:KGW, 38 a-cut and c-cut crystals are 1061 and 1068 nm, respectively. A 1061 and 1068 nm dual-wavelength laser was successfully observed using the 45°-cut crystal.…”

Section: Optical Propertiesmentioning

confidence: 99%

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Guo,

Rong,

Chen

et al. 2024

Crystal Growth & Design

View full text Add to dashboard Cite

The orthogonal polarized dual-wavelength laser has attracted increasing attention due to its unique applications in spectral analysis, differential radar, terahertz, etc. In this paper, the Nd-doped LiY(MoO 4 ) 2 (LYMO) crystal with a disordered structure is selected as a laser gain medium to obtain the dual-wavelength laser. The fluorescence spectra of the Nd:LYMO crystal show obvious polarization anisotropy, which is caused by the anisotropic lattice field. The πand σ-polarized stimulated emission cross-sections at 1061 and 1068 nm are calculated to be 17.5

show abstract

Section: Optical Propertiesmentioning

confidence: 99%

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Guo,

Rong,

Chen

et al. 2024

Crystal Growth & Design

View full text Add to dashboard Cite

show abstract

“…For a 1.0 µm wavelength laser, Nd 3+ -doped laser crystals exhibit high pump efficiency and a low threshold due to the long upper\-level lifetime, large emission cross section, and no reabsorption loss of Nd 3+ ions [8][9][10][11][12][13]. In recent years, many novel Nd 3+ -doped crystals have been reported to realize ultrashort or Q-switched pulsed lasers, such as Nd:GdSr 3 (PO 4 ) 3 [5], Nd:LaMgAl 11 O 19 [6], Nd:LuYPO 4 [8], Nd:Ca(Y, Gd)AlO 4 [9], and Nd:GdScO 3 [14]. Among those crystals, disordered aluminate (gallate) crystals present excellent thermal properties and spectral broadening, which is always regarded as the potential gain medium for high-power and ultrafast lasers [1,3,9,[15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Growth, Structure, and Spectroscopic Properties of a Disordered Nd:SrLaGaO4 Laser Crystal

Fang,

Liang,

Wang

et al. 2024

Crystals

View full text Add to dashboard Cite

A disordered Nd:SrLaGaO4 (Nd:SLG) laser crystal was successfully grown via the Czochralski (CZ) technique. The crystal structure, refractive index, polarized absorption spectra, and stimulated emission spectra were measured. The spectroscopic properties were studied intensively with the Judd–Ofelt (J-O) theory. The maximum absorption cross sections of π- and σ-polarization at 806 nm were calculated to be 3.73 × 10−20 and 4.05 × 10−20 cm2, corresponding to FWHMs of 6.00 and 6.10 nm, respectively. The maximum emission cross sections of π- and σ-polarization at 1076 nm were 3.97 × 10−20 and 4.12 × 10−20 cm2, with FWHMs of 30.21 and 19.44 nm, respectively. The decay life of the Nd3+:4F3/2 energy level was fitted to be 0.152 ms, and the fluorescence quantum efficiency was 72.72%. The inhomogeneous broadening in spectra benefiting from the disordered structure indicates the Nd:SLG crystal is a promising gain medium for ultrafast laser and tunable laser generations in the near infrared region.

show abstract

“…As a result, it becomes challenging to produce large crystals with high-quality doping. Consequently, researchers have focused on exploring novel crystal materials with potential for ∼1 μm lasers, garnering significant attention. − …”

Section: Introductionmentioning

confidence: 99%

“…Consequently, researchers have focused on exploring novel crystal materials with potential for ∼1 μm lasers, garnering significant attention. 12 One robust strategy to achieve broad emission bands, which arise from inhomogeneous spectral broadening and thermomechanical properties, is the use of disorder laser crystals designed through composite engineering. 16,17 Several disordered composite laser crystals, especially those based on double tungstates and double molybdates with a tetragonal structure, have been grown and studied for high-performance lasers, particularly ultrashort pulse lasers.…”

Section: Introductionmentioning

confidence: 99%

Trivalent Neodymium-Doped Double Molybdate/Tungstate Composite Laser Crystals

Ding,

Hu,

Zou

et al. 2023

Crystal Growth & Design

View full text Add to dashboard Cite

The use of inhomogeneous broadening in composite disordered crystals has been widely recognized as a successful approach to enhancing the spectral bandwidth of rare-earth ions in optical spectra. In this study, composite disordered laser crystals of rare-earth alkali metal double molybdate/tungstate, doped with 2 atom % Nd 3+ and represented by the general formula Nd:NaGd-(Mo x W 1−x O 4 ) 2 (x = 0.5, 0.7 and 0.9), were grown using the Czochralski method. The crystal structure of the disordered laser crystals was determined to be of the tetragonal phase with a space group of I4 1 /a, as confirmed through X-ray diffraction (XRD) and Rietveld refinement analyses. The spectroscopic properties of the disordered laser crystal, encompassing absorption, emission, and fluorescence decay characteristics were investigated. The (MoO 4 ) 1.0 (WO 4 ) 1.0 composite crystal exhibited an exceptionally broad absorption bandwidth, with a full width at half-maximum (FWHM) of 21 at 808 nm, approximately 10 times wider than that of the well-known Nd:YAG crystal. Moreover, the composite crystal demonstrated the generation of a continuous-wave 1.06 μm laser, which was further frequency-doubled to produce a 532 nm laser. Additionally, the passively Q-switched laser behavior of the composite crystal at 1.06 μm was explored, utilizing tungsten disulfide as a saturable absorber. In summary, the double molybdate/tungstate composite disordered crystal exhibits advantageous characteristics, such as a low melting point (approximately 1200 °C), stable physical−chemical properties, and remarkable spectroscopic properties. These features highlight the potential applications of these composite crystals in all solid-state lasers. Highquality Nd-doped double molybdate/tungstate composite disordered laser crystals were grown by the Czochralski method. By implementing a composite engineering strategy, an exceptionally inhomogeneous spectral broadening with an fwhm of up to 21 at 808 nm was achieved.

show abstract

Nd:GdScO3 crystal: Polarized spectroscopic, thermal properties, and laser performance at 1.08 µm

Cited by 11 publications

References 33 publications

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Growth, Structure, and Spectroscopic Properties of a Disordered Nd:SrLaGaO4 Laser Crystal

Trivalent Neodymium-Doped Double Molybdate/Tungstate Composite Laser Crystals

Contact Info

Product

Resources

About

Nd:GdScO3 crystal: Polarized spectroscopic, thermal properties, and laser performance at 1.08 µm

Cited by 11 publications

References 33 publications

Novel Laser Crystal Nd:LiY(MoO4)2: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Novel Laser Crystal Nd:LiY(MoO4)2: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Growth, Structure, and Spectroscopic Properties of a Disordered Nd:SrLaGaO4 Laser Crystal

Trivalent Neodymium-Doped Double Molybdate/Tungstate Composite Laser Crystals

Contact Info

Product

Resources

About

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser

Novel Laser Crystal Nd:LiY(MoO₄)₂: Crystal Growth, Characterization, and Orthogonally Polarized Dual-Wavelength Laser