TITLE

Subwavelength direct laser writing by strong optical nonlinear absorption and melt-ablation threshold characteristics

AUTHOR(S)
Jingsong Wei; Jing Liu; Xinbing Jiao
PUB. DATE
December 2009
SOURCE
Applied Physics Letters;12/14/2009, Vol. 95 Issue 24, p241105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this work, we propose nonlinear absorption and melt-ablation threshold characteristics induced subwavelength direct laser writing. The writing materials need to have two features: one is strong nonlinear absorption, and the other is melt-ablation threshold characteristics. According to the strong nonlinear absorption and melt-ablation threshold characteristics of AgInSbTe thin films, the effective energy absorption spot is calculated. The results indicate that the full width at half maximum of the effective energy absorption spot is about 2/5 the original spot. If only the energy intensity above 80% maximum can induce the melt-ablation, the direct laser writing mark size or linewidth can be reduced to 0.14λ/NA (NA denotes numerical aperture), which is only about 0.115 times the original spot size. The calculated results are verified, where the mark size is reduced to about 1/8 the real spot.
ACCESSION #
47039178

 

Related Articles

  • Optical bandgap of Sb0.2Bi1.8Te3 thin films. Soni, P. H.; Bhavsar, S. R.; Desai, C. F. // Journal of Materials Science;May2003, Vol. 38 Issue 9, p1931 

    Sb0.2Bi1.8Te3 Thin Films were grown using the thermal evaporation technique on a (001) face of NaCl crystal as a substrate at room temperature. The optical absorption was measured in the wave number range 500 cm-1 to 4000 cm-1. From the optical absorption data the bandgap has been evaluated and...

  • Nano-Ag on vanadium dioxide. I. Localized spectrum tailoring. Xu, Gang; Huang, Chun-Ming; Jin, Ping; Tazawa, Masato; Chen, De-Ming // Journal of Applied Physics;Sep2008, Vol. 104 Issue 5, p053101 

    We report on the utilization of localized surface plasmon resonance (LSPR) of Ag nanoparticles to tailor the optical properties of VO2 thin film. Interaction of nano-Ag with incident light yields a salient absorption band in the visible-near IR region and modifies the spectrum of VO2 locally....

  • Orientation-dependent multiferroic properties in Pb(Zr0.52Ti0.48)O3–CoFe2O4 nanocomposite thin films derived by a sol-gel processing. He, Hong-cai; Ma, Jing; Wang, Jing; Nan, Ce-Wen // Journal of Applied Physics;Feb2008, Vol. 103 Issue 3, p034103 

    Bilayered multiferroic nanocomposite films of preferentially oriented Pb(Zr0.52Ti0.48)O3 (PZT) and CoFe2O4 (CFO) were prepared on general Pt/Ti/SiO2/Si substrate via a simple solution processing. Different annealing processings resulted in different preferential orientations for the PZT layers...

  • White light emission on amplified spontaneous emission with dye content controlled polymer system. Zhang, Dingke; Chen, Zhenyu; Ma, Dongge // Journal of Applied Physics;Jun2008, Vol. 103 Issue 12, p123103 

    White light emission from amplified spontaneous emission (ASE) was realized by optically pumping fluorescent dye 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) doped semiconducting poly(9,9-dioctylfluorene) (PFO) polymer thin films. Two individual ASE...

  • Frequency-dependent conductivity in unannealed thin films of As0.40Se0.40Te0.20. Bilen, Bukem; Skarlatos, Yani; Aktas, Gulen // AIP Conference Proceedings;2007, Vol. 899 Issue 1, p588 

    D.c. and a.c. conductivity measurements have been performed on unannealed amorphous As0.40Se0.40Te0.20 thin films. The d.c. behaviour of the samples indicates hopping conduction mechanisms between 143K–210K and 210K–343K. The a.c. conductivity of the films is well represented by...

  • Structural and photoluminescence properties of ZnO thin films prepared by sol-gel process. Petersen, J.; Brimont, C.; Gallart, M.; Crégut, O.; Schmerber, G.; Gilliot, P.; Hönerlage, B.; Ulhaq-Bouillet, C.; Rehspringer, J. L.; Leuvrey, C.; Colis, S.; Aubriet, H.; Becker, C.; Ruch, D.; Slaoui, A.; Dinia, A. // Journal of Applied Physics;Dec2008, Vol. 104 Issue 11, p113539 

    The present study focuses on the structural and optical properties of ZnO thin films fabricated by sol-gel process and spin coated onto Si (100) and quartz substrates. The ZnO films have a hexagonal wurtzite structure with a grain size of about 50 nm. The x-ray photoelectron spectroscopy...

  • Effect of Phase Transitions on the Exciton Absorption Spectrum of RbxK1 – xAg4I5 Superionic Conductors. Yunakova, O. N.; Miloslavskiǐ, V. K.; Kovalenko, E. N. // Optics & Spectroscopy;Dec2005, Vol. 99 Issue 6, p950 

    The absorption spectrum of thin films of solid solutions of RbxK1 – xAg4I5 superionic conductors is investigated in the energy range 3–6 eV at temperatures from 90 to 290 K upon heating and cooling. It is established that the temperature dependences of the spectral position Em and...

  • Coexisting depinning effect of domain walls during the fatigue in ferroelectric thin films. Jiang, A. Q.; Lin, Y. Y.; Tang, T. A. // Applied Physics Letters;7/17/2006, Vol. 89 Issue 3, p032906 

    Appropriate time relaxation before a driving pulse of domain switching can improve fatigue endurance in Pb(Zr,Ti)O3 thin films. The effect is more evident under a relaxation voltage close to a coercive voltage (Vc) in the same voltage polarity to the driving pulse, in contradiction with previous...

  • Alternating and direct current characterization and photoinduced absorption studies of modified conjugated polymer thin films. Lipson, S. M.; Coleman, J. N.; Drury, A.; O'Brien, D. F.; Blau, W. J.; Cadby, A. J.; Lane, P. A.; Bradley, D. D. C. // Journal of Applied Physics;6/1/2004, Vol. 95 Issue 11, p6138 

    Control of interchain separation enables the optical properties of polymer thin films to be altered. We present a thin film preparation technique that increases the free volume fraction in spin coated polymer thin films resulting in reduced interchain interaction. The polaron yield, measured...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics