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welding of transparent materials using femtosecond laser

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[INVITED] Laser welding of glasses at high repetition

Sep 01,2016 welding of transparent materials using femtosecond laser#0183;T.Tamaki,W.Watanabe,K.ItohLaser micro-welding of transparent materials by a localized heat accumulation effect using a femtosecond fiber laser at 1558 nm Opt.Express,14 (22) (2006),pp.10460-10468Weldingtransparentmaterialsis one of the essential industrial procedures in various industries such as healthcare,optoelectronics and accuracy machine industries.The useof femtosecond(fs) laserto weldtransparentmaterialswithout using any glue is considered as a scientific breakthrough.Welding of Transparent Materials Using Femtosecond Laser Was this helpful?Welding of Transparent Materials Using FemtosecondWhen femtosecond laser pulses are focused at the interface of transparent materials,the material around the focal point is melted and resolidied because of the temperature increases due to the localized nonlinear absorption of optical pulse energy.We experimentally succeeded in laser welding between two pieces of silica glassWelding of transparent polymers using femtosecond laser Based on nonlinear absorption,we report on laser welding of cycloolefin copolymers without any additional absorption layer employing infrared femtosecond laser.To the best of our knowledge,this is the first report of ultrashort laser welding of this material class,revealing a remarkable high processing speed of 20 mm/s in a single pass mode.Using a 1028 nm laser having a pulse duration of

Welding of transparent materials with ultrashort laser pulses

These problems can be overcome by using ultrashort laser pulses.When focussed at the interface,the laser energy is deposited locally in the focal volume due to nonlinear absorption processes.While even single pulses can lead to the formation of bonds between transparent glass substrates,the application of high repetition rates offers an Welding of Transparent Materials Using Femtosecond Laser We report on laser welding between transparent materials without the insertion of intermediate layers such as glue by use of near-infrared femtosecond laser pulses.When femtosecond laser pulses are focused at the interface of transparent materials,the material around the focal point is melted and resolidified because of the temperature increases due to the localized nonlinear absorption of Welding of Transparent Materials Using Femtosecond Laser May 01,2005 welding of transparent materials using femtosecond laser#0183;Welding of Transparent Materials Using Femtosecond Laser Pulses - NASA/ADS.We report on laser welding between transparent materials without the insertion of intermediate layers such as glue by use of near-infrared femtosecond laser pulses.When femtosecond laser pulses are focused at the interface of transparent materials,the material around the focal point is melted and

Welding of Glass and Copper with a Rough Surface

Direct laser joining of two substrates of transparent ma-terials using femtosecond laser pulses has been demon-strated [38].When a femtosecond laser pulse is focused at the interface of two transparent substrates,localized melt-ing and quenching of the two substrates occur around the focal volume because of nonlinear absorption.The sub-Ultrashort Pulse Laser Welding - A New Approach for High Jan 01,2012 welding of transparent materials using femtosecond laser#0183;Laser welding of transparent materials using femtosecond laser#226;induced material modifications in transparent materials Figure 3 a) shows exemplary side views of the laser induced material modifications in two bonded borosilicate samples.The heat affected zone has a characteristic elliptical shape [12,13,15],whose size and shape is defined by the applied laser power [16].Ultrashort Pulse Laser Welding - A New Approach for High Jan 01,2012 welding of transparent materials using femtosecond laser#0183;Laser welding of transparent materials using femtosecond laser#226;induced material modifications in transparent materials Figure 3 a) shows exemplary side views of the laser induced material modifications in two bonded borosilicate samples.The heat affected zone has a characteristic elliptical shape [12,13,15],whose size and shape is defined by the applied laser power [16].

Ultrafast laser welding of ceramics Science

Aug 23,2019 welding of transparent materials using femtosecond laser#0183;Laser welding is an integral part of modern manufacturing,but it fractures ceramic materials.Penilla et al.developed two methods for welding ceramics using ultrafast lasers.One method tunes the ceramic properties,allowing the laser to transit through the ceramic and weld at the interface between pieces.The other method optimizes a gap between pieces to efficiently depositTransparent Welding with IMRA's DE and DX Femtosecond LasersThis unique capability of Femtosecond Laser Transparent Material Processing (FLTMP) can be applied to welding two transparent materials,or transparent to opaque materials.Focus a high pulse energy femtosecond laser beam into a transparent material and light will propagate and travel through the medium until it reaches the focal point.Transmission Welding of Glass by Femtosecond Laser Proper use of optical and laser processing parameters enables transmission welding.The morphology of the weld cross section was studied using differential interference contrast optical microscopy.In addition,a numerical model was developed to predict the absorption volumes of femtosecond laser pulses inside a transparent material.

TRANSMISSION WELDING OF GLASSES BY

using low repetition rate femtosecond laser.Watanabe et al.[3] then reported on the welding of dissimilar transparent materials using the same laser,and also investigated the parameters that resulted in joining by varying the laser pulse energy and theTRANSMISSION WELDING OF GLASSES BYusing low repetition rate femtosecond laser.Watanabe et al.[3] then reported on the welding of dissimilar transparent materials using the same laser,and also investigated the parameters that resulted in joining by varying the laser pulse energy and theSTRUCTURING AND JOINING TRANSPARENTlow repetition rate femtosecond laser.Watanabe et al.[13] subsequently reported the welding of dissimilar transparent materials using a femtosecond laser with similar characteristics.Further Watanabe et al.[13] investigated the parameters that resulted in joining of dissimilar samples by varying the laser pulse energy

Related searches for welding of transparent materials usin

femtosecond laser manufacturerfemtosecond laser pricefemtosecond laser technologyfemtosecond laser applicationfemtosecond laser costfemtosecond laser surgeryfemtosecond laser eye surgeryfemtosecond laser cataractPrevious123456NextTransparent Welding with IMRA's DE and DX Femtosecond LasersThis unique capability of Femtosecond Laser Transparent Material Processing (FLTMP) can be applied to welding two transparent materials,or transparent to opaque materials.Focus a high pulse energy femtosecond laser beam into a transparent material and light will propagate and travel through the medium until it reaches the focal point.Related searches for welding of transparent materials usinfemtosecond laser manufacturerfemtosecond laser pricefemtosecond laser technologyfemtosecond laser applicationfemtosecond laser costfemtosecond laser surgeryfemtosecond laser eye surgeryfemtosecond laser cataractPrevious123456NextRapid microfabrication of transparent materials using a Mar 07,2014 welding of transparent materials using femtosecond laser#0183;This article demonstrates the application of a femtosecond (280fs) laser towards two different micromachining techniques rapid cutting and welding of transparent materials.Filament formation in water gives rise to strong ablation at the surface of the sample,moreover,the water,surrounding the ablated area,adds increased cooling and

Parameters Affecting the Welding of Transparent Materials

There is a pressing need for an accurate process in industrial laser applications such as welding transparent materials.Femtosecond laser pulses,which depend on the nonlinear absorption OSA Laser micro-welding of transparent materials by a We report on laser micro-welding of materials based on a localized heat accumulation effect using an amplified femtosecond Er-fiber laser with a wavelength of 1558 nm and a repetition rate of 500 kHz.We demonstrated the welding of non-alkali alumino silicate glass substrates,resulting in a joint strength of 9.87 MPa.We also welded a non-alkali glass substrate and a silicon substrate using NASA tests femtosecond lasers for welding and drillingPhysicists at NASA's Goddard Space Flight Center are evaluating a wide range of applications of femtosecond pulsed lasers,in the hope that the photonics technology could eliminate the use of glues and epoxies for joining different materials..While epoxies pose little problem in normal joining applications,in space the volatile materials tend to out-gas,potentially contaminating spacecraft

NASA tests femtosecond lasers for welding and drilling

Physicists at NASA's Goddard Space Flight Center are evaluating a wide range of applications of femtosecond pulsed lasers,in the hope that the photonics technology could eliminate the use of glues and epoxies for joining different materials..While epoxies pose little problem in normal joining applications,in space the volatile materials tend to out-gas,potentially contaminating spacecraft Fusion Welding of Glass Using Femtosecond LaserIn recent years,femtosecond laser pulses have been used for a variety of internal modifications of transparent materials including direct writing of optical waveguides [1,2],three-dimensional binary data storage [3],and writ-ing of optical amplifiers [4].Welding of fused silica was also reported using femtosecond laser pulses [5],but theFemtosecond laser-induced non-thermal welding for aFemtosecond laser-induced non-thermal welding for a single Cu nanowire glucose sensor Yongchao Yu,a Yangbao Deng,b Md Abdullah Al Hasan,a Yanfeng Bai,ac Ruo-Zhou Li,d Shuguang Deng,b Pooran Joshi,e Seungha Shin *a and Anming Hu *a Copper nanowires (CuNWs) are a key building block to facilitate carrier conduction across a broad range of

Femtosecond laser-induced non-thermal welding for a

Femtosecond laser-induced non-thermal welding for a single Cu nanowire glucose sensor Yongchao Yu,a Yangbao Deng,b Md Abdullah Al Hasan,a Yanfeng Bai,ac Ruo-Zhou Li,d Shuguang Deng,b Pooran Joshi,e Seungha Shin *a and Anming Hu *a Copper nanowires (CuNWs) are a key building block to facilitate carrier conduction across a broad range ofFemtosecond laser glass processing Industrial Laser Femtosecond laser micromachining of transparent materials has distinctive advantages over other micromachining techniques (FIGURE 2).FIGURE 2.Femtosecond pulses generated via fiber laser enable fast marking on glass.First,laser-induced modifications are limited to the focal volume due to nonlinearity in absorption mechanism.Femtosecond laser glass processing Industrial Laser Femtosecond laser micromachining of transparent materials has distinctive advantages over other micromachining techniques (FIGURE 2).FIGURE 2.Femtosecond pulses generated via fiber laser enable fast marking on glass.First,laser-induced modifications are limited to the focal volume due to nonlinearity in absorption mechanism.

Direct welding of fused silica with femtosecond fiber laser

Keywords Femtosecond laser,fiber laser,transparent material,welding,sealing.1.INTRODUCTION Recently,femtosecond (fs) laser direct writing of transparent material has become a powerful micro-fabrication technique for photonic devices [1-5].Compared with traditional fabrication technique,fs laser waveguide writing has aCited by 191Publish Year 2005Author Takayuki Tamaki,Wataru Watanabe,Junji Nishii,Kazuyoshi ItohWelding of Transparent Materials Using Femtosecond Laser Welding transparent materials is one of the essential industrial procedures in various industries such as healthcare,optoelectronics and accuracy machine industries.The use of femtosecond (fs)Cited by 191Publish Year 2005Author Takayuki Tamaki,Wataru Watanabe,Junji Nishii,Kazuyoshi ItohWelding of Transparent Materials Using Femtosecond Laser May 23,2005 welding of transparent materials using femtosecond laser#0183;We report on laser welding between transparent materials without the insertion of intermediate layers such as glue by use of near-infrared femtosecond laser pulses.When femtosecond laser pulses are focused at the interface of transparent materials,the material around the focal point is melted and resolidified because of the temperature increases due to the localized

Cited by 191Publish Year 2005Author Takayuki Tamaki,Wataru Watanabe,Junji Nishii,Kazuyoshi ItohImages of welding of transparent materials using Femtoseco

imagesRelated searches for welding of transparent materials usinfemtosecond laser manufacturerfemtosecond laser pricefemtosecond laser technologyfemtosecond laser applicationfemtosecond laser costfemtosecond laser surgeryfemtosecond laser eye surgeryfemtosecond laser cataract12345NextWelding of transparent polymers using femtosecond laser Jan 22,2016 welding of transparent materials using femtosecond laser#0183;Based on nonlinear absorption,we report on laser welding of cycloolefin copolymers without any additional absorption layer employing infrared femtosecond laser.To the best of our knowledge,this is the first report of ultrashort laser welding of this material class,revealing a remarkable high processing speed of 20nbsp;mm/s in a single pass mode.Using a 1028nbsp;nm laser

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