Three-dimensional photoprecipitation of oriented LiNbO_3-like crystals in silica-based glass with femtosecond laser irradiation

Fan, Chunzhen; Poumellec, Bertrand; Lancry, Matthieu; He, Xuan; Zeng, Huidan; Erraji-Chahid, Abdel; Liu, Qiming; Chen, Guorong

doi:10.1364/ol.37.002955

Cited by 46 publications

(39 citation statements)

References 18 publications

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“…The process yields single-crystal architecture in glass (SCAG) comprising of straight and curved lines. A continuous wave (CW) laser of suitable wavelength is used to create SCAG at or near the surface 1, 4-7 , whereas femtosecond (fs) laser can yield SCAG in 3D deep inside the glass 2,3 . In either case, the glass generally melts at the focal point of the laser and crystal forms as the melt solidifies.…”

Section: Introductionmentioning

confidence: 99%

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Laser Fabrication of Two-Dimensional Rotating-Lattice Single Crystal

Savytskii

Au-Yeung

Dierolf

et al. 2017

Crystal Growth & Design

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A rotating lattice single (RLS) crystal is a unique form of solid, which was fabricated recently as one-dimensional architecture in glass via solid state transformation induced by laser irradiation. In these objects, the lattice rotates gradually and predictably about an axis that lies in the plane of the crystal and is normal to the laser scanning direction. This paper reports on the fabrication of Sb 2 S 3 two-dimensional (2D) RLS crystals on the surface of 16SbI 3 −84Sb 2 S 3 glass, as a model example: individual RLS crystal lines are joined together using "stitching" or "rastering" as two successful protocols. The electron back scattered diffraction mapping and scanning Laue X-ray microdiffraction of the 2D RLS crystals show gradual rotation of lattice comprising of two components, one along the length of each line and another normal to this direction. The former component is determined by the rotation of the first line of the 2D pattern, but the relative contribution of the last component depends on the extent of overlap between two successive lines. By the appropriate choice of initial seed orientation and the direction of scanning, it is possible to control the lattice rotation, and even to reduce it down to ∼5°for a 50 × 50 μm 2 2D pattern of Sb 2 S 3 crystal.

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Section: Introductionmentioning

confidence: 99%

“…It fabricated 'highly oriented' 2D crystal patterns of LiNbO 3 , β-BaB 2 O 4 , and β'-Gd 2 (MoO 4 ) 3 , within intrinsically simple silicate or borate glass matrix, where laser induced crystal growth occurs from the melt. The 2D patterns were created as array of lines with a small step between them.…”

Section: Introductionmentioning

confidence: 99%

Laser Fabrication of Two-Dimensional Rotating-Lattice Single Crystal

Savytskii

Au-Yeung

Dierolf

et al. 2017

Crystal Growth & Design

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“…However, the spatial distribution of these properties is difficult to control by conventional glass production methods (i.e., melt-quenching and sol-gel). One candidate technique for local modification of glass properties is laser processing [2][3][4][5][6][7][8][9][10][11]. In particular, femtosecond (fs) laser processing has been investigated as a powerful technique to modify the properties of glass three dimensionally [3][4][5][6][7][8][9][10][11].…”

mentioning

confidence: 99%

“…One candidate technique for local modification of glass properties is laser processing [2][3][4][5][6][7][8][9][10][11]. In particular, femtosecond (fs) laser processing has been investigated as a powerful technique to modify the properties of glass three dimensionally [3][4][5][6][7][8][9][10][11]. Recently, several researchers found that irradiation of glass with focused fs laser pulses at high repetition rate (100 kHz-1 MHz) induces local melting around the focal region, and the elemental distribution changes in the molten region [5][6][7][8][9][10][11][12][13][14].…”

mentioning

confidence: 99%

“…In particular, femtosecond (fs) laser processing has been investigated as a powerful technique to modify the properties of glass three dimensionally [3][4][5][6][7][8][9][10][11]. Recently, several researchers found that irradiation of glass with focused fs laser pulses at high repetition rate (100 kHz-1 MHz) induces local melting around the focal region, and the elemental distribution changes in the molten region [5][6][7][8][9][10][11][12][13][14]. This laser-induced elemental distribution change allows for larger property and structural modifications in a local volume inside glasses, such as local generation of phase-separated structures [14], crystals [5,7,10] and nanoclusters [11].…”

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confidence: 99%

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Shape control of elemental distributions inside a glass by simultaneous femtosecond laser irradiation at multiple spots

et al. 2013

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The spatial distributions of elements in a glass can be modulated by irradiation with high repetition rate femtosecond laser pulses. However, the shape of the distribution is restricted to being axially symmetric about the laser beam axis due to the isotropic diffusion of photo-thermal energy. In this study, we describe a method to control the shape of the elemental distribution more flexibly by simultaneous irradiation at multiple spots using a spatial light modulator. The accumulation of thermal energy was induced by focusing 250 kHz fs laser pulses at a single spot inside an alumino-borosilicate glass, and the transient temperature distribution was modulated by focusing 1 kHz laser pulses at four spots in the same glass. The resulting modification was square-shaped. A simulation of the mean diffusion length of molten glass demonstrated that the transient diffusion of elements under heat accumulation and repeated temperature elevation at multiple spots caused the square shape of the distribution.

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3D Laser Engineering of Molten Core Optical Fibers: Toward a New Generation of Harsh Environment Sensing Devices

Wang

Cavillon

Ballato

et al. 2022

Advanced Optical Materials

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kW fiber lasers, long-term optical data storage such as Microsoft's "project silica", [1] etc.) and optical sensing (structural health monitoring of engines, deep drilling). [2] In most applications operating in a HT environment, refractory crystalline oxide materials such as alumina (Al 2 O 3 ) or zirconia (ZrO 2 ) are candidates of choice, due to their high melting points and good resistance to oxidation and abrasion. Furthermore, directionally solidified eutectic ceramics (e.g., unidirectionally solidified Al 2 O 3 /oxide eutectic composite made of perovskite or garnet phase) also can improve thermal stability, [3] as demonstrated for instance in aircraft gas turbines and thermal power generation systems (e.g., operation for 1000 h at 1700 °C).However, other HT applications, such as long-lived data storage for the zettabyte era [1] or optical sensors (down-hole oil/gas exploration, monitoring of structure health, temperature regulation of engines, etc.) require using glass materials that can be functionalized and shaped into chips, disks, planar waveguides or optical fibers. Both the materials and geometric designs need be considered due to practical demands, such as compactness and lightness, flexibility, high-transparency, fast and complex manufacturing shaping, chemical/radioactive/ electromagnetic resistance, and low cost. For these reasons, Aluminosilicate glasses offer wide-ranging potential as enabling materials for a new generation of optical devices operating in harsh environments.In this work, a nonconventional manufacturing process, the molten core method, is employed to fabricate and study sapphire (Al 2 O 3 ) and YAG (yttrium aluminum garnet) derived all-glass silicate optical fibers in which a femtosecond (fs) laser is used to imprint oriented nanostructures inside the fiber cores. Both writing kinetics and thermal stability of the laser-modified regions are investigated over a wide temperature range (20-1200 °C). The laser-imprinted modifications in these high alumina-content fibers exhibit improved thermal stability with respect to commercial pure silica and GeO 2doped silica analogs. Furthermore, optical devices in the form of Rayleigh backscattering and fiber Bragg grating sensors are fabricated to demonstrate the high-temperature sensitivity and stability of these nonconventional fibers. This functionalization of aluminosilicate fibers by fs-laser direct writing opens the door to a new generation of optical devices suitable for high-temperature operation.

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Three-dimensional photoprecipitation of oriented LiNbO_3-like crystals in silica-based glass with femtosecond laser irradiation

Cited by 46 publications

References 18 publications

Laser Fabrication of Two-Dimensional Rotating-Lattice Single Crystal

Laser Fabrication of Two-Dimensional Rotating-Lattice Single Crystal

Shape control of elemental distributions inside a glass by simultaneous femtosecond laser irradiation at multiple spots

3D Laser Engineering of Molten Core Optical Fibers: Toward a New Generation of Harsh Environment Sensing Devices

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