Ultrafast Laser Microwelding using Filamentation - Osaka University
Ultrafast Laser Microwelding using Filamentation - Osaka University
Ultrafast Laser Microwelding using Filamentation - Osaka University
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Enhancement of joining strength &<br />
optical transmittance<br />
Joining strength Borosilicate glass Fused silica glass<br />
Before<br />
annealing 15 MPa 15 Mpa<br />
After<br />
annealing 33 MPa 33 MPa<br />
Optical transmittance<br />
Before<br />
annealing 88 % 87 %<br />
After<br />
( 336 kgf/cm 2 )<br />
annealing 92 % 91 %:<br />
(Theoretical limit: 93 %) (Theoretical limit: 92 %)<br />
14
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