An excimer laser three-dimensional (3D) micromachining system is proposed based on a mask image projection method and the optical diffraction effect. The effects of optical diffraction on the laser machining rate are evaluated using a hole-arrayed mask ...
Yu-Hsuan Hung +2 more
doaj +1 more source
Prediction of Thermal Damage upon Ultrafast Laser Ablation of Metals
Ultrafast lasers micromachining results depend on both the processing parameters and the material properties. The obtained thermal effects are negligible if a good combination of processing parameters is chosen.
Liliana Cangueiro +2 more
doaj +1 more source
Investigation of ultrafast laser photonic material interactions: challenges for directly written glass photonics [PDF]
Currently, direct-write waveguide fabrication is probably the most widely studied application of femtosecond laser micromachining in transparent dielectrics.
Ams, M. +6 more
core +2 more sources
Smart ceramic materials are next generation materials with the inherent intelligence to adapt to change in the external environment. These materials are destined to play an essential role in several critical engineering applications.
Mayur Parmar, Sagil James
doaj +1 more source
Sub-Picosecond Micromachining of Monocrystalline Silicon for Solar Cell Manufacturing
In this study a prototype sub-picosecond laser was investigated for cutting and scribing of silicon wafers. The Yb:KYW laser used for this investigation, unlike ultrashort systems used previously, generates pulses of 650 fs, i.e., between the pico and ...
Katarzyna Garasz, Marek Kocik
doaj +1 more source
Design, fabrication, and testing of silicon microgimbals for super-compact rigid disk drives [PDF]
This paper documents results related to design optimization, fabrication process refinement, and micron-level static/dynamic testing of silicon micromachined microgimbals that have applications in super-compact computer disk drives as well as many other ...
Hsieh, Wen H. +4 more
core +1 more source
Fabrication of (111)-Faced Single-Crystal Diamond Plates by Laser Nucleated Cleaving
Single-crystal diamond plates with surfaces oriented in a (111) crystal plane are required for high-performance solid-state device platforms ranging from power electronics to quantum information processing architectures.
Bassett, Lee C. +3 more
core +1 more source
Artificial dielectric devices for variable polarization compensation at millimeter and submillimeter wavelengths [PDF]
Variable polarization compensation has been demonstrated at 100 GHz. The device consists of two interlocking V-groove artificial dielectric gratings that produce a birefringence that varies with the separation distance. A maximum retardance of 74/spl deg/
Blaikie, R.J. +3 more
core +2 more sources
Laser micromachining of optical microstructures with inclined sidewall profile [PDF]
Laser micromachining has been proved to be a useful tool for the formation of microstructures in semiconductor and optical materials. It is also widely adopted for dicing of light-emitting diode chips.
Choi, HW, Lai, PT, Wang, XH
core +1 more source
High performance laser induced plasma assisted ablation by GHz burst mode femtosecond pulses
High performance laser micromachining based on the combination of GHz burst mode femtosecond pulses irradiation and laser induced plasma assisted ablation can open a new avenue for high-quality and high-efficiency micromachining of single crystalline ...
Jingbo Yin, Yulong Zhao, Minghui Hong
doaj +1 more source

