Results 21 to 30 of about 6,799 (199)

Femtosecond laser micromachining of diamond: current research status, applications and challenges [PDF]

, 2021
Ultra-fast femtosecond (fs) lasers provide a unique technological opportunity to precisely and efficiently micromachine materials with minimal thermal damage owing to the reduced heat transfer into the bulk of the work material offered by short pulse ...
Ali, Bakhtiar, Rybachuk, Maksym, Litvinyuk, Igor   +2 more
core   +1 more source

Compensation for time fluctuations of phase modulation in a liquid-crystal-on-silicon display by process synchronization in laser materials processing [PDF]

, 2011
We demonstrate the adverse influence of temporal fluctuations of the phase modulation of a spatial light modulator (SLM) display device on nanosecond laser micromachining.
Rainer J. Beck, Jonathan D. Shephard, Parry, Jonathan P., Hand, Duncan P.; id_orcid, Beck, Rainer J, Jonathan P. Parry, Duncan P. Hand, Shephard, Jonathan D.; id_orcid   +7 more
core   +1 more source

Femtosecond laser induced damage threshold and incubation in l-threonine aminoacid crystal

Optical Materials: X, 2023
l-threonine aminoacid crystals exhibit high second-order optical nonlinearities that can be exploited for second harmonic generation, optical parametric amplification, and optical parametric oscillation.
L.K. Nolasco, G.A. Flores, S.N.C. Santos, M.B. Andrade, J.J. Rodrigues, Jr., C.R. Mendonça   +5 more
doaj   +1 more source

3D Photoelectrode for Dye Solar Cells Realized by Laser Micromachining of Photosensitive Glass [PDF]

, 2014
An explorative dye solar cell architecture based on the implementation of a 3D micropatterned photoelectrode is disclosed here. An array of conical micropillars has been realized by laser micromachining of photosensitive glass which has been ...
Luisa De Marco, Beke, Szabolcs, Giuseppe Gigli, De Marco, Luisa, Pareo, Paola, Fernando Brandi, Michele Manca, Szabolcs Beke, Qualtieri, Antonio, Gigli, Giuseppe, Antonio Qualtieri, Alessandro Cannavale, Brandi, Fernando, Paola Pareo, CANNAVALE, Alessandro, Manca, Michele   +15 more
core   +1 more source

Laser Micromachining of Glass, Silicon, and Ceramics

Advances in Materials Science and Engineering, 2015
A brief review is focused on laser micromachining of materials. Micromachining of materials is highly widespread method used in many industries, including semiconductors, electronic, medical, and automotive industries, communication, and aerospace.
L. Rihakova, H. Chmelickova
doaj   +1 more source

Laser Processing of Transparent Wafers with a AlGaN/GaN Heterostructures and High-Electron Mobility Devices on a Backside

Micromachines, 2021
Sapphire and silicon carbide substrates are used for growth of the III-N group heterostructures to obtain the electronic devices for high power and high frequency applications.
Simonas Indrišiūnas, Evaldas Svirplys, Justinas Jorudas, Irmantas Kašalynas   +3 more
doaj   +1 more source

The art of femtosecond laser writing [PDF]

, 2009
Common beliefs that laser writing does not change when reversing beam scan or propagation direction are challenged. Recently discovered phenomena of quill and non-reciprocal femtosecond laser writing in glasses and crystals are ...
Svirko, Yuri P., Kazuyuki Hirao, Shimotsuma, Yasuhiko, Arai, Alan, Alan Arai, Yuri P. Svirko, Hirao, Kazuyuki, Kazansky, Peter G., Weijia Yang, Yasuhiko Shimotsuma, Peter G. Kazansky, Yang, Weijia   +11 more
core   +1 more source

Laser machining of sensing components on the end of optical fibres [PDF]

, 2013
Micro-cantilevers play a major role in sensing, especially since the invention of the atomic force microscope. Applications range from surface profiling to bio-medical sensing enabled through coating-activated cantilevers.
Li, Jun, Albri, Frank, Hand, Duncan P.; id_orcid, Maier, Robert R. J.; id_orcid, MacPherson, William N.; id_orcid   +4 more
core   +1 more source

The art and science of femtosecond laser writing [PDF]

, 2009
We demonstrate how femtosecond laser writing can challenge common beliefs in optics. Recently discovered phenomena of quill writing related to self-assembled nanostructuring in glasses and non-reciprocal laser writing in crystals are ...
Kazansky, P.G., Kazuyuki Hirao, Hirao, K., Yuri P. Svirko, Svirko, Y.P., Shimotsuma, Y., Yasuhiko Shimotsuma, Peter G. Kazansky, Martynas Beresna, Beresna, Martynas   +9 more
core   +1 more source

Micromachining of AlN and Al2O3 Using Fiber Laser

Micromachines, 2014
We report on high precision high speed micromachining of Al2O3 and AlN using pulsed near infrared fiber laser. Ablation thresholds are determined to be 30 J/cm2 for alumina and 18 J/cm2 for aluminum nitride.
Florian Preusch, Benedikt Adelmann, Ralf Hellmann   +2 more
doaj   +1 more source