Results 51 to 60 of about 6,799 (199)

In-Line Fiber Michelson Interferometer for Enhancing the Q Factor of Cone-Shaped Inwall Capillary Coupled Resonators

open access: yesIEEE Photonics Journal, 2018
An in-line fiber Michelson interferometer in a cone-shaped inwall capillary with the whispering gallery mode microsphere resonator integrated inside is demonstrated for enhancing the Q factor, which is fabricated on the etched capillary by the ...
Xiaobei Zhang   +6 more
doaj   +1 more source

Application of a liquid crystal spatial light modulator to laser marking [PDF]

open access: yes, 2011
Laser marking is demonstrated using a nanosecond (ns) pulse duration laser in combination with a liquid crystal spatial light modulator to generate two-dimensional patterns directly onto thin films and bulk metal surfaces.
Rainer J. Beck   +7 more
core   +1 more source

Lithium Niobate Micromachining for the Fabrication of Microfluidic Droplet Generators

open access: yesMicromachines, 2017
In this paper, we present the first microfluidic junctions for droplet generation directly engraved on lithium niobate crystals by micromachining techniques, preparatory to a fully integrated opto-microfluidics lab-on-chip system.
Giacomo Bettella   +12 more
doaj   +1 more source

Industrial applications of laser micromachining

open access: yesOptics Express, 2000
The use of pulsed lasers for microprocessing material in several manufacturing industries is presented. Microvia, ink jet printer nozzle and biomedical catheter hole drilling, thin-film scribing and micro-electro-mechanical system (MEMS) fabrication applications are reviewed.
openaire   +2 more sources

The effect of relative plasma plume delay on the properties of complex oxide films grown by multi-laser multi-target combinatorial pulsed laser deposition [PDF]

open access: yes, 2009
We report the effects of relative time delay of plasma plumes on thin garnet crystal films fabricated by dual-beam, combinatorial pulsed laser deposition.
May-Smith, Timothy C.   +3 more
core   +1 more source

3D nanoripples, self-assembled form birefringence and ultrafast laser calligraphy in transparent materials [PDF]

open access: yes, 2009
Modification of transparent materials with ultrafast lasers has attracted considerable interest due to a wide range of applications including laser surgery, integrated optics, optical data storage, 3D micro- and nanostructuring [1]. Three different types
Svirko, Yuri P.   +8 more
core  

A study on laser-fiber coupling efficiency and ablation rate in femtosecond laser deep microdrilling [PDF]

open access: yes, 2012
Laser microdrilling is a common micromachining operation in many industrial applications. This paper presents a new laser microdrilling technique in which a hollow-core fiber is employed to transmit femtosecond laser pulses to the target position.
Shen, Xinwei   +4 more
core   +2 more sources

Direct laser micromachining of superconducting terahertz Josephson plasma emitters [PDF]

open access: yesAIP Advances
We demonstrate a rapid, maskless fabrication method for superconducting terahertz Josephson plasma emitters (JPEs) based on direct ultraviolet laser micromachining of Bi2Sr2CaCu2O8+δ (Bi-2212) single crystals. Although machining debris is formed near the
Reo Yamaguchi   +8 more
doaj   +1 more source

Character and mechanism of surface micromachining for C/SiC composites by ultrashort plus laser [PDF]

open access: yes, 2017
A new surface micromachining way of ultrashort plus laser for C/SiC composites with high quality and efficiency was demonstrated, including picosecond and femtosecond laser.
Yang, X.   +7 more
core   +1 more source

Changing the integrity of the material surface by combining laser surface texturing and PVD magnetron sputtering technologies

open access: yesActa Polytechnica CTU Proceedings
The presented research combines laser micromachining technology (LST, Laser Surface Texturing) using an ultra-short femtosecond laser beam and PVD deposition of thin layers using magnetron sputtering. This combination has multiple benefits.
Michal Krafka   +5 more
doaj   +1 more source

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