Polarization controlled deep sub-wavelength periodic features written by femtosecond laser on nanodiamond thin film surface

Polarization controlled deep sub-wavelength periodic features written by femtosecond laser on nanodiamond thin film surface

Deep sub-wavelength (Λ/λ = ∼0.22) periodic features are induced uniformly on a nanodiamond (ND) thin film surface using femtosecond (fs) laser irradiation (pulse duration = ∼110 fs and central wavelength of ∼800 nm). The topography of the surface features is controlled by the laser polarization. Ori...

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Veröffentlicht in:Applied physics letters 2014-04, Vol.104 (16)
Hauptverfasser: Kumar Kuntumalla, Mohan, Rajamudili, Kuladeep, Rao Desai, Narayana, Srikanth, Vadali V. S. S.
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
ATOMIC FORCE MICROSCOPY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Control surfaces
Diamonds
Femtosecond pulses
Irradiation
LASER RADIATION
LASERS
Microscopy
Morphology
Nanostructure
Periodic variations
POLARIZATION
Pulse duration
RAMAN EFFECT
Raman spectra
SCANNING ELECTRON MICROSCOPY
SURFACES
THIN FILMS
WAVELENGTHS
X-RAY DIFFRACTION
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Zusammenfassung:Deep sub-wavelength (Λ/λ = ∼0.22) periodic features are induced uniformly on a nanodiamond (ND) thin film surface using femtosecond (fs) laser irradiation (pulse duration = ∼110 fs and central wavelength of ∼800 nm). The topography of the surface features is controlled by the laser polarization. Orientation of features is perpendicular to laser polarization. Periodicity (spatial periodicity of 
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4873139