Bonding of optical materials by femtosecond laser welding for aerospace and high power laser applications

2012 ◽  
Author(s):  
D. Hélie ◽  
F. Lacroix ◽  
R. Vallée
Keyword(s):  
Femtosecond Laser ◽  
Laser Welding ◽  
High Power ◽  
Optical Materials ◽  
High Power Laser ◽  
Power Laser ◽  
Laser Applications

ALD anti-reflection coatings at 1ω, 2ω, 3ω, and 4ω for high-power ns-laser application

2018 ◽  
Vol 7 (1-2) ◽  
pp. 23-31 ◽  
Author(s):  
Hao Liu ◽  
Lars Jensen ◽  
Ping Ma ◽  
Detlev Ristau
Keyword(s):  
High Power ◽  
High Surface ◽  
Laser System ◽  
Damage Threshold ◽  
Atomic Layer ◽  
Intensity Difference ◽  
High Power Laser ◽  
Power Laser ◽  
Laser Applications ◽  
Laser Induced Damage

AbstractAtomic layer deposition (ALD) facilitates the deposition of coatings with precise thickness, high surface conformity, structural uniformity, and nodular-free structure, which are properties desired in high-power laser coatings. ALD was studied to produce uniform and stable Al2O3and HfO2single layers and was employed to produce anti-reflection coatings for the harmonics (1ω, 2ω, 3ω, and 4ω) of the Nd:YAG laser. In order to qualify the ALD films for high-power laser applications, the band gap energy, absorption, and element content of single layers were characterized. The damage tests of anti-reflection coatings were carried out with a laser system operated at 1ω, 2ω, 3ω, and 4ω, respectively. The damage mechanism was discussed by analyzing the damage morphology and electric field intensity difference. ALD coatings exhibit stable growth rates, low absorption, and rather high laser-induced damage threshold (LIDT). The LIDT is limited by HfO2as the employed high-index material. These properties indicate the high versatility of ALD films for applications in high-power coatings.

scholarly journals High Power Laser Applications to Aerospace

2015 ◽  
Vol 43 (9) ◽  
pp. 611
Author(s):  
Akihiro SASOH ◽  
Toshikazu EBISUZAKI
Keyword(s):  
High Power ◽  
High Power Laser ◽  
Power Laser ◽  
Laser Applications

Broadband amplification at Kr 2 F trimer transition for short-pulse high-power laser applications

2010 ◽  
Author(s):  
Alexey O. Levchenko ◽  
Nikolai N. Ustinovskii ◽  
Vladimir D. Zvorykin
Keyword(s):  
High Power ◽  
Short Pulse ◽  
High Power Laser ◽  
Power Laser ◽  
Laser Applications

Deformable mirror for high power laser applications

2015 ◽  
Author(s):  
Libor Mrňa ◽  
Martin Sarbort ◽  
Miroslava Hola
Keyword(s):  
High Power ◽  
Deformable Mirror ◽  
High Power Laser ◽  
Power Laser ◽  
Laser Applications

Structure and Properties of High Power Laser Welding of High Strength Steel B450LAD for Vehicles

2008 ◽  
Vol 35 (12) ◽  
pp. 2047-2051 ◽  
Author(s):  
李亚玲 Li Yaling ◽  
黄坚 Huang Jian ◽  
高志国 Gao Zhiguo ◽  
吴毅雄 Wu Yixiong ◽  
阎启 Yan Qi
Keyword(s):  
Laser Welding ◽  
High Power ◽  
High Strength Steel ◽  
High Strength ◽  
Structure And Properties ◽  
High Power Laser ◽  
Power Laser
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