Propagation dynamics of femtosecond laser pulses in a hollow fiber filled with argon: constant gas pressure versus differential gas pressure

2003 ◽  
Vol 20 (9) ◽  
pp. 2002 ◽  
Author(s):  
Muhammad Nurhuda ◽  
Akira Suda ◽  
Katsumi Midorikawa ◽  
Masatoshi Hatayama ◽  
Keigo Nagasaka
Keyword(s):  
Femtosecond Laser ◽  
Hollow Fiber ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Gas Pressure ◽  
Propagation Dynamics

scholarly journals Non-Thermal Processing by Intense Femtosecond Laser Pulses Transmitted through a Hollow Fiber Having an Evacuated Core

2006 ◽  
Vol 34 (7) ◽  
pp. 514-518
Author(s):  
Shinji NISHIKAWA ◽  
Haruyasu ITOH ◽  
Takanori AZUMA ◽  
Shin-ichiro AOSHIMA ◽  
Yutaka TSUCHIYA
Keyword(s):  
Femtosecond Laser ◽  
Hollow Fiber ◽  
Thermal Processing ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses

Propagation dynamics of femtosecond laser pulses in argon

2002 ◽  
Vol 66 (2) ◽  
Author(s):  
Muhammad Nurhuda ◽  
Akira Suda ◽  
Masatoshi Hatayama ◽  
Keigo Nagasaka ◽  
Katsumi Midorikawa
Keyword(s):  
Femtosecond Laser ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Propagation Dynamics

Optical heterodyning study of the propagation dynamics of IR femtosecond laser pulses in a strongly scattering porous medium

2004 ◽  
Vol 34 (7) ◽  
pp. 666-668 ◽  
Author(s):  
K P Bestem'yanov ◽  
Vyacheslav M Gordienko ◽  
Anatoliy A Ivanov ◽  
Aleksei N Konovalov ◽  
Alexey A Podshivalov
Keyword(s):  
Porous Medium ◽  
Femtosecond Laser ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Propagation Dynamics

ENERGY TRANSMITTANCE AND SPATIAL PHASE IMPROVEMENT OF INTENSE ULTRASHORT LASER PULSES IN GAS-FILLED HOLLOW FIBER USING PRESSURE GRADIENT METHOD

2004 ◽  
Vol 13 (02) ◽  
pp. 291-299 ◽  
Author(s):  
MUHAMMAD NURHUDA ◽  
HERU BUDIONO ◽  
AKIRA SUDA ◽  
KATSUMI MIDORIKAWA
Keyword(s):  
Femtosecond Laser ◽  
Pressure Gradient ◽  
Hollow Fiber ◽  
Gradient Method ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Ultrashort Laser Pulses ◽  
Input Energy ◽  
Spatial Phase ◽  
Ultrashort Laser

A pressure gradient method for spectral broadening of intense-femtosecond laser pulses in gas-filled hollow fiber is proposed. The simulations using input energy of 6 mJ and pulse duration of 40 fs have shown that using the same value of ∫ p(x)dx, the energy transmittance can be enhanced by a factor of 25% compared to that of using constant gas pressure while the global spatial phase is also improved.

Inorganic-organic Hybrid Materials for Real 3-D Sub-νm Lithography

2003 ◽  
Vol 780 ◽  
Author(s):  
R. Houbertz ◽  
J. Schulz ◽  
L. Fröhlich ◽  
G. Domann ◽  
M. Popall ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Sol Gel ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Hybrid Polymer ◽  
Organic Hybrid ◽  
Two Photon ◽  
Applied Technology ◽  
Scale Structures ◽  
Sol Gel Synthesis

AbstractReal 3-D sub-νm lithography was performed with two-photon polymerization (2PP) using inorganic-organic hybrid polymer (ORMOCER®) resins. The hybrid polymers were synthesized by hydrolysis/polycondensation reactions (modified sol-gel synthesis) which allows one to tailor their material properties towards the respective applications, i.e., dielectrics, optics or passivation. Due to their photosensitive organic functionalities, ORMOCER®s can be patterned by conventional photo-lithography as well as by femtosecond laser pulses at 780 nm. This results in polymerized (solid) structures where the non-polymerized parts can be removed by conventional developers.ORMOCER® structures as small as 200 nm or even below were generated by 2PP of the resins using femtosecond laser pulses. It is demonstrated that ORMOCER®s have the potential to be used in components or devices built up by nm-scale structures such as, e.g., photonic crystals. Aspects of the materials in conjunction to the applied technology are discussed.

Ablation of metals with femtosecond laser pulses

2001 ◽  
Author(s):  
K. H. Leong ◽  
T. Y. Plew ◽  
R. L. Maynard ◽  
A. A. Said ◽  
L. A. Walker
Keyword(s):  
Femtosecond Laser ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses
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