Effects of substrate on the femtosecond laser-induced damage properties of gold films

Huang, Huihui; Wang, Leilei; Kong, Fanzuo; Xia, Zhilin; Jin, Yunxia; Xu, Jie; Chen, Junming; Cui, Yun; Shao, Jianda

doi:10.1016/j.optmat.2018.05.013

Cited by 8 publications

(3 citation statements)

References 26 publications

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“…That is, the energy transfer process during the interaction between the laser pulse and metal is divided into two steps: an electron and lattice-heating two-temperature process [20]. The damage mechanism of gold film based on this model has been investigated [21]. In this study, the ablation threshold of gold by a femtosecond laser is investigated experimentally based on the aforementioned theory.…”

Section: The Methods Of Mass Removal Based On Femtosecond Lasermentioning

confidence: 99%

Research on the Mass Adding and Removing Combined Mechanical Trimming Method of the Ring MEMS Gyroscope

Wang,

Wu,

Wang

et al. 2023

Micromachines

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The MEMS gyroscope is one of the basic units of inertial navigation, whose performance and accuracy is noteworthy. Because of the limitations of processing technology and other factors, the relative manufacturing error of MEMS gyroscopes is usually large. Errors directly lead to a frequency mismatch of resonant structures and consequently restrict the performance improvement of the gyroscope. This study proposes a mechanical trimming technique combining the addition and removal of gold in a ring MEMS gyroscope. Firstly, the analysis of the gyroscope dynamics and error model and trimming theory provides theoretical guidance for the trimming process. Secondly, the method of adjusting the mass is investigated, and the ablation threshold of femtosecond laser parameters on gold is analyzed, which provides the process with parameters for the trimming experiment. Finally, the frequency trimming process is conducted in three steps, including the addition of gold spheres and the removal of gold spheres and gold film, which are applicable to the trimming process at different rates of frequency split. The results shows that the proposed method can reduce the frequency split of the gyroscope from 4.36 to 0.017 Hz.

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Section: The Methods Of Mass Removal Based On Femtosecond Lasermentioning

confidence: 99%

Research on the Mass Adding and Removing Combined Mechanical Trimming Method of the Ring MEMS Gyroscope

Wang,

Wu,

Wang

et al. 2023

Micromachines

View full text Add to dashboard Cite

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“…The systematical investigation of ACGs has suspended for several years imputing its difficult improvement of LIDT. 157,158 However, until now, ACG was difficult to be absolutely replaced for femtosecond pulses (especially for pulse shorter than 100 fs) attributed to its broad bandwidth. 159,160 In 2013, Poole et al found that the LIDT has no dependence on laser pulse duration for femtosecond laser, but showed clear dependence on Au surface morphology.…”

Section: Metal Gratingsmentioning

confidence: 99%

Review of pulse compression gratings for chirped pulse amplification system

et al. 2021

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The ultrashort, ultrahigh intensity pulse laser has been fully developed in past three decades. Chirped pulse amplification (CPA) system plays an important role in the generation of the ultrashort, ultrahigh intensity pulse laser. Pulse compression gratings (PCGs) are the key element of CPA system and determine the performance and lifetime of the whole system. We introduce the principle of CPA system and the performance requirements of PCGs. Then the development status of PCGs, including Au-coated grating, multilayer dielectric grating (MDG), and metal MDG, is fully reviewed. Finally, the development prospect of PCGs in the future is presented. Our study is helpful for comprehensive understanding of PCGs. © 2021 Society of Photo-Optical Instrumentation Engineers (SPIE)

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“…Qu et al [2] investigated the theoretical model of thermal stress damage and combustion damage of 1064 nm laser on fused silica, and found that within the radius of the laser spot, the temperature rise is more obvious, forming a large temperature gradient, and the thermal stress damage is the first generated near the irradiation center or the edge of the laser spot. Huang et al [3] fabricated gold thin films on photoresist and fused silica surfaces and found that fused silica-based materials have better photothermal properties and greater resistance to laser damage.…”

Section: Introductionmentioning

confidence: 99%

Effect of metal grids configuration on photothermal properties of infrared optical windows

Ye,

zuo,

sun

2023

Pacific-Rim Laser Damage 2023: Optical Materials for High-Power Lasers

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Effects of substrate on the femtosecond laser-induced damage properties of gold films

Cited by 8 publications

References 26 publications

Research on the Mass Adding and Removing Combined Mechanical Trimming Method of the Ring MEMS Gyroscope

Research on the Mass Adding and Removing Combined Mechanical Trimming Method of the Ring MEMS Gyroscope

Review of pulse compression gratings for chirped pulse amplification system

Effect of metal grids configuration on photothermal properties of infrared optical windows

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