Single frequency, continuously tunable, diode-pumped Nd:LiY0.5Gd0.5F4 microlaser

Wetter, Niklaus Ursus; Matos, Paulo Sergio Fabris de; Ranieri, I.M.; Courrol, Lilia Coronato; Morato, S.P.

doi:10.1016/s0030-4018(02)01237-3

Cited by 10 publications

(6 citation statements)

References 15 publications

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“…Recently, some works reported the crystal growth and spectroscopic properties of LiLnF 4 (Ln¼Lanthanides, or Y) mixed crystals [1][2][3][4], aimed on the development of laser hosts with better optical and structural properties. LiLnF 4 (LnLF) compounds are the intermediary phases formed in the binary systems LiF-LnF 3 described by Thoma [5], from Eu to Lu.…”

Section: Introductionmentioning

confidence: 99%

Crystal growth of solid solutions by zone melting technique

Santos

Klimm

Baldochi

et al. 2012

Journal of Crystal Growth

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a b s t r a c tMixtures ð1ÀxÞLiGdF 4 þ xLiLuF 4 (0:50 r x r 0:75) were melted and submitted to one zone melting cycle under a reactive HF atmosphere, aiming the study of the crystal growth of LiGd 1Àx Lu x F 4 solid solutions. Phase identification and compositional studies of the ingots were performed by scanning electron microscopy, energy dispersive X-ray spectrometry, and X-ray powder diffraction. Transparent regions of the bar related to the formation of LiGd 1Àx Lu x F 4 solid solutions were found to be enlarged proportionally to the initial amount of Lu in the mixtures. Gd segregates to the end of the ingot.

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Section: Introductionmentioning

confidence: 99%

Crystal growth of solid solutions by zone melting technique

Santos

Klimm

Baldochi

et al. 2012

Journal of Crystal Growth

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“…These inclusions seem to be lled with a foreign phase. (GdYLF:Nd), which proved eective in obtaining a single frequency laser pumped by laser diode [40,41]. This active medium showed a tuning range of 150 GHz, with a maximum of 200 mW of output power at the center of the tuning range.…”

Section: Ndmentioning

confidence: 99%

A Short Review on Fluoride Laser Crystals Grown by Czochralski Method at IPEN

Baldochi

Ranieri

2013

Acta Phys. Pol. A

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In this article there are presented the developments on the crystal growth by the Czochralski method of uoride laser materials at the Center for Lasers and Applications from Institute of Nuclear and Energy Research, IPEN, Brazil. A brief report of the Czochralski furnace preparation for uorides growth regarding to its construction materials, inuence of the heating assemblies in the thermal proles and the benets of using a suitable atmosphere is provided. Moreover, to demonstrate the importance of this technique to the advances on laser systems over the last years there are described the specic growth conditions established to obtain uoride crystals with suitable properties for practical application as laser hosts. LiREF4 (RE = rare earth) scheelite crystals have been studied to compare LiYF4 (YLF) with its isomorphs, including solid solutions of the type-LiY1−xLnxF4 (Ln = Gd or Lu) and LiGd1−xLuxF4, relating to their optical quality, spectroscopic and laser properties. Some results regarding the development of new laser hosts of these materials doped with Nd, Er, Pr and co-doped Yb, Nd and Tm are also presented. The growth particularities of transition metals doped uoride crystals such as BaLiF3:TM (TM = Ni and Co) and LiSrAlF6:Cr are also reported.

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“…For a low fill-factor diode bar these losses are outweighed by the removal of dead space. With one exception, 8 the two-mirror beam-shaping systems reported in the literature [9][10][11] appear to have been configured to produce a single column of output.…”

Section: Beam Shaping Of a High Fill-factor Diode Barmentioning

confidence: 99%

Asymmetric beam shaping of a diode-bar laser for multipass pumping of a thin-crystal laser

Jeffries

Coutts

2005

J. Opt. Soc. Am. B

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Two-mirror beam shaping of a 94% fill-factor laser diode bar was investigated. We show that optimal output for the purposes of end pumping was achieved by configuring the beam shaper to reformat the single row of 60 emitters into an array containing several emitters in each row. A 15ϫ 4 output configuration was used to end pump a Yb:S-FAP laser. A nearly on-axis multipass pumping system was developed to demonstrate how the asymmetry of the beam-shaped pump source can be exploited.

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Single frequency, continuously tunable, diode-pumped Nd:LiY0.5Gd0.5F4 microlaser

Cited by 10 publications

References 15 publications

Crystal growth of solid solutions by zone melting technique

Crystal growth of solid solutions by zone melting technique

A Short Review on Fluoride Laser Crystals Grown by Czochralski Method at IPEN

Asymmetric beam shaping of a diode-bar laser for multipass pumping of a thin-crystal laser

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