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Ultrafast Laser Microwelding using Filamentation - Osaka University

Ultrafast Laser Microwelding using Filamentation - Osaka University

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Optical transmittance<br />

81.4 %<br />

85.9 %<br />

87.0 %<br />

Pulse Energy [µJ/pulse]<br />

10<br />

5<br />

86.0 %<br />

87.1 % 88.2<br />

89.0 %<br />

%<br />

0.01<br />

86. 8<br />

%<br />

86.7 %<br />

87.3 %<br />

87.1<br />

%<br />

0.1 1<br />

Scanning Speed [mm/s]<br />

Borosilicate glass<br />

81 ~ 87 %<br />

Theoretical limit: 92 %<br />

Fused silica glass<br />

87 ~ 89 %<br />

Theoretical limit: 93 %<br />

10

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