High aspect ratio nanochannel machining using single shot femtosecond Bessel beams
MK Bhuyan, F Courvoisier, PA Lacourt… - Applied Physics …, 2010 - pubs.aip.org
We report high aspect ratio nanochannel fabrication in glass using single-shot femtosecond
Bessel beams of sub-3 J pulse energies at 800 nm. We obtain near-parallel nanochannels …
Bessel beams of sub-3 J pulse energies at 800 nm. We obtain near-parallel nanochannels …
Millijoule femtosecond micro-Bessel beams for ultra-high aspect ratio machining
We report on a functional experimental design for Bessel beam generation capable of
handling high-energy ultrashort pulses (up to 1.2 mJ per pulse of 50 fs duration). This allows …
handling high-energy ultrashort pulses (up to 1.2 mJ per pulse of 50 fs duration). This allows …
High aspect ratio taper-free microchannel fabrication using femtosecond Bessel beams
We present a systematic study of femtosecond laser microchannel machining in glass using
nondiffracting Bessel beams. In particular, our results identify a source and focusing …
nondiffracting Bessel beams. In particular, our results identify a source and focusing …
Applications of femtosecond Bessel beams to laser ablation
Nondiffracting Bessel beams have been recently applied to single shot ultrafast laser
processing of high aspect ratio nanochannels. We review the principles and benefits of …
processing of high aspect ratio nanochannels. We review the principles and benefits of …
Micromachining along a curve: Femtosecond laser micromachining of curved profiles in diamond and silicon using accelerating beams
A Mathis, F Courvoisier, L Froehly, L Furfaro… - Applied Physics …, 2012 - pubs.aip.org
We report femtosecond laser micromachining of micron-size curved structures using tailored
accelerating beams. We report surface curvatures as small as 70 μm in both diamond and …
accelerating beams. We report surface curvatures as small as 70 μm in both diamond and …
Practical uses of femtosecond laser micro-materials processing
A Zoubir, L Shah, K Richardson, M Richardson - Applied Physics A, 2003 - Springer
We describe several approaches to basic femtosecond machining and materials processing
that should lead to practical applications. Included are results on high-throughput deep hole …
that should lead to practical applications. Included are results on high-throughput deep hole …
Repeatable nanostructures in dielectrics by femtosecond laser pulse trains
Using the plasma model recent developed by the authors, this study predicts the existence
of a constant ablation-depth zone with respect to fluence in femtosecond laser ablation of …
of a constant ablation-depth zone with respect to fluence in femtosecond laser ablation of …
Single-shot high aspect ratio bulk nanostructuring of fused silica using chirp-controlled ultrafast laser Bessel beams
We report single-shot, high aspect ratio nanovoid fabrication in bulk fused silica using zeroth
order chirp-controlled ultrafast laser Bessel beams. We identify a unique laser pulse length …
order chirp-controlled ultrafast laser Bessel beams. We identify a unique laser pulse length …
Temporally focused femtosecond laser pulses for low numerical aperture micromachining through optically transparent materials
Temporal focusing of spatially chirped femtosecond laser pulses overcomes previous
limitations for ablating high aspect ratio features with low numerical aperture (NA) beams …
limitations for ablating high aspect ratio features with low numerical aperture (NA) beams …
Femtosecond micromachining of symmetric waveguides at 1.5 µm by astigmatic beam focusing
We report on a new spatial beam-shaping approach for fabrication of waveguides with a
circular transverse profile by femtosecond laser pulses, using an astigmatic beam and …
circular transverse profile by femtosecond laser pulses, using an astigmatic beam and …