“…However, to benefit from a high gain from this architecture, the diameter of the SCF should be 1 mm or below what is hardly obtainable by Czochralski or ceramic techniques. Fortunately, the micro-pulling-down crystal growth is now a mature technique remarkably suited for the production of long (up to 1 m) and thin (down to 300 μm diameter) Yb:YAG SCFs with laser optical quality [5]. Interesting laser performances have been reported in cw and Q-switched Yb:YAG SCF oscillators [6].…”
“…However, to benefit from a high gain from this architecture, the diameter of the SCF should be 1 mm or below what is hardly obtainable by Czochralski or ceramic techniques. Fortunately, the micro-pulling-down crystal growth is now a mature technique remarkably suited for the production of long (up to 1 m) and thin (down to 300 μm diameter) Yb:YAG SCFs with laser optical quality [5]. Interesting laser performances have been reported in cw and Q-switched Yb:YAG SCF oscillators [6].…”
“…Single-crystal fibers have a small diameter (typically 1 mm or below) and a length of several centimeters. The optical quality of the barrel surface is good enough to efficiently guide the light, for example, from a high power laser diode in end-pumped configuration [1,2]. Many different processes enable to make such specifically shaped single crystals among them, Czochralski method is the best known to grow bulk single crystal but requires complicated after-grown processes or shaping to reach small geometries.…”
Section: Introductionmentioning
confidence: 99%
“…In the last few years, a great interest appeared in single-crystal fiber lasers to improve thermal management and increase laser power [1,2]. Single-crystal fibers have a small diameter (typically 1 mm or below) and a length of several centimeters.…”
“…A intensidade dos fótons Y em um dado ponto i do difratograma pode ser calculada através da equação (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22), que é descrita em função dos índices de Miller (k) em uma dada reflexão de Bragg, da radiação de fundo yb; do fator A de absorção dos fótons pela amostra; de uma função PK que leva em consideração a textura da amostra; de uma função ϕ que descreve o perfil de reflexão em relação a sua direção; do fator de estrutura FK (posições atômicas no cristal), de uma função LK composta pelos fatores de Lorentz, de polarização e de multiplicidade; e finalmente de um fator de escala estritamente relacionado a propriedades do feixe com o qual se trabalha…”
Section: Difratometria De Raios X E O Método De Rietveldunclassified
“…Além disso, o potencial químico descreve a taxa líquida de associação dos átomos nos sítios ativos de crescimento que é função da variação de entropia do material (eq. [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. Quanto maior a variação de entropia, menor a taxa de associação dos átomos na interface.…”
Section: Crescimento E Caracterização De Fibras Monocristalinasunclassified
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.