scholarly journals Helical drilling of three-dimensional conical converging-diverging nozzle in steel using ultrashort laser pulses

Procedia CIRP ◽  
2018 ◽  
Vol 74 ◽  
pp. 305-309 ◽  
Author(s):  
Chao He ◽  
Jannik Bühring ◽  
Arnold Gillner
2003 ◽  
Author(s):  
Stefan Nolte ◽  
Matthias Will ◽  
Jonas Burghoff ◽  
Andreas Tuennermann

2001 ◽  
Vol 78 (7) ◽  
pp. 999-1001 ◽  
Author(s):  
Nicholas I. Smith ◽  
Katsumasa Fujita ◽  
Osamu Nakamura ◽  
Satoshi Kawata

1999 ◽  
Vol 605 ◽  
Author(s):  
Hong-Bo Sun ◽  
Ying Xu ◽  
Kai Sun ◽  
Saulius Juodkazis ◽  
Mitsuru Watanabe ◽  
...  

AbstractUltrashort laser pulses are utilized for fabrication of three-dimensional (3D) photonic crystals based on a multiphoton absorption process. The basic idea is, when a femtosecond laser pulse is tightly focused into some transparent media, a submicrometer hole will be generated due to microexplosion. By arraying these holes the same way as atoms in general solid crystals, 3D photonic lattices are achieved. Pronounced photonic bandgap effect shows that this technique is promising for tailoring arbitrary-lattice photonic crystals.


Author(s):  
Isamu Miyamoto ◽  
Kristian Cvecek ◽  
Yasuhiro Okamoto ◽  
Michael Schmidt ◽  
Henry Helvajian

Author(s):  
Marcelo Bertolete Carneiro ◽  
Patrícia Alves Barbosa ◽  
Ricardo Samad ◽  
NIlson Vieira ◽  
Wagner de Rossi ◽  
...  

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