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Research Output 2008 2019

2019

Application of numerical modelling and flow experiments to optimize the design of microfluidic devices representing porous media

Jahanbakhsh, A., Shahrokhi, O., Nhunduru, R., Wlodarczyk, K. L., Hand, D. P. & Maroto-Valer, M. M., 10 May 2019, InterPore2019 Valencia Book of Abstracts.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Microfluidics
Porous materials
Fabrication
Flow of fluids
Computer simulation

Direct laser writing of anti-counterfeiting holographic structures on metal products

Wlodarczyk, K. L., Ardron, M., Weston, N. J. & Hand, D. P., 20 Mar 2019.

Research output: Contribution to conferenceAbstract

products
metals
lasers
craters
marking

Direct laser-writing of holographic markings for protecting luxury products against counterfeiting

Wlodarczyk, K. L., Ardron, M., Mazzucato, S., Valisari, L., Iacovella, F., Weston, N. J. & Hand, D. P., 27 Jun 2019.

Research output: Contribution to conferenceAbstract

File
marking
nickel
Inconel (trademark)
brasses
products

Fluid Distribution in Immiscible Two-Phase Fluid Displacement for CO2 Storage

Nhunduru, R., Shahrokhi, O., Jahanbakhsh, A., Wlodarczyk, K. L., Hand, D. P., MacPherson, W. N., Garcia, S. & Maroto-Valer, M. M., 19 Jun 2019, 10th Trondheim Conference on CO2 Capture, Transport and Storage.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Glass
Fluids
Microfluidics
Lasers
Aquifers
Open Access
File
Metals
Laser pulses
Watches
Holograms
Merging
Open Access
File
laser machining
borosilicate glass
laser beams
scanning
surface roughness
Microfluidics
Porous materials
Flow of fluids
Glass
Lasers

The effect of injection rate on fluid invasion patterns: Immiscible two-phase fluid displacement in 2D laser-manufactured micromodels

Nhunduru, R., Jahanbakhsh, A., Shahrokhi, O., Wlodarczyk, K. L., Hand, D. P., MacPherson, W. N., Garcia, S. & Maroto-Valer, M. M., 10 May 2019, InterPore2019 Valencia Book of Abstracts.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
laser
fluid
immiscible fluid
porous medium
visualization
Ultrafast lasers
Microfluidics
Glass
Rapid prototyping
Photolithography
2018

Laser-based fabrication of microfluidic devices for porous media applications

Wlodarczyk, K. L., Jahanbakhsh, A., Carter, R. M., Maier, R. R. J., Hand, D. P. & Maroto-Valer, M. M., May 2018, CLEO: Applications and Technology 2018. Optical Society of America, AM1M.5

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
rapid prototyping
microfluidic devices
borosilicate glass
fabrication
lasers

Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates

Wlodarczyk, K. L., Carter, R. M., Jahanbakhsh, A., Lopes, A. A., Mackenzie, M. D., Maier, R. R. J., Hand, D. P. & Maroto-Valer, M. M., 17 Aug 2018, In : Micromachines. 9, 8, 409.

Research output: Contribution to journalArticle

Open Access
File
Lab-On-A-Chip Devices
Glass
Lasers
Microtechnology
Microfluidics

Tamper-proof holographic markings for high-value metal goods: from concept to commercialisation

Wlodarczyk, K. L. & Hand, D. P., 3 May 2018, (Unpublished).

Research output: Contribution to conferenceOther

2017
Open Access
File
welding
machining
microstructure
fabrication
glass

Laser-based manufacturing of microfluidic devices for reactive transport applications

Wlodarczyk, K. L., Jahanbakhsh, A., Carter, R., Hand, D. P., Maier, R. R. J. & Maroto-Valer, M. M., 22 Sep 2017, (Unpublished).

Research output: Contribution to conferenceOther

Microfluidics
Glass
Lasers
Fabrication
Borosilicate glass

Laser spot welding of laser textured steel to aluminium

Pardal, G., Meco, S., Dunn, A., Williams, S., Ganguly, S., Hand, D. P. & Wlodarczyk, K., Mar 2017, In : Journal of Materials Processing Technology. 241, p. 24-35 12 p.

Research output: Contribution to journalArticle

Open Access
File
Spot welding
Laser beam welding
Steel
Welding
Aluminum

Tamper-proof holographic markings for high-value goods

Wlodarczyk, K. L., Ardron, M., Waddie, A. J., Taghizadeh, M. R., Weston, N. J. & Hand, D. P., 29 Jun 2017.

Research output: Contribution to conferencePaper

Open Access
File

Tamper-proof markings for the identification and traceability of high-value metal goods

Wlodarczyk, K. L., Ardron, M., Waddie, A. J., Taghizadeh, M. R., Weston, N. J. & Hand, D. P., 22 Jun 2017, In : Optics Express. 25, 13, p. 15216-15230

Research output: Contribution to journalArticle

Open Access
File
Metals
Lasers
Chromium Alloys
Volatilization
Stainless Steel
2016

Direct CO2 laser-based generation of holographic structures on the surface of glass

Wlodarczyk, K. L., Weston, N. J., Ardron, M. & Hand, D. P., 25 Jan 2016, In : Optics Express. 24, 2, p. 1447-1462 16 p.

Research output: Contribution to journalArticle

Open Access
File
Gas Lasers
Glass
Microtechnology
Silicon Dioxide
Lasers

Nanosecond pulsed laser generation of holographic structures on metals

Wlodarczyk, K. L., Ardron, M., Weston, N. J. & Hand, D. P., 4 Mar 2016, Laser-based Micro- and Nanoprocessing X. Klotzbach, U., Washio, K. & Arnold, C. B. (eds.). SPIE, 97360K. (Proceedings of SPIE; vol. 9736).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
pulsed lasers
metals
lasers
melting
nickel alloys

Picosecond laser cutting and drilling of thin flex glass

Wlodarczyk, K. L., Brunton, A., Rumsby, P. & Hand, D. P., Mar 2016, In : Optics and Lasers in Engineering. 78, p. 64-74

Research output: Contribution to journalArticle

Open Access
File
laser drilling
laser cutting
glass
wavelengths
drilling

Sonopill Pathfinder: Rapid Prototyping for Ultrasound Capsule Endoscopy

Cummins, G., Desmulliez, M. P. Y., Hand, D. P., Wlodarczyk, K. L., Demore, C. E. M., Lay, H., Seetohul, V., Cox, B., Cochran, S. & Qiu, Y., 2016, Proceedings of The Hamlyn Symposium on Medical Robotics: 25-28 June 2016, Imperial College London and the Royal Geographical Society. Yang, G-Z. & Darzi, A. (eds.). p. 102-103 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
2015

Electrodeposited magnetostrictive Fe-Ga alloys for miniaturised actuators

Schiavone, G., Ng, J. H., Record, P. M., Shang, X., Wlodarczyk, K. L., Hand, D. P., Cummins, G. & Desmulliez, M. P. Y., 2015, 2014 9th International Microsystems, Packaging, Assembly and Circuits Technology Conference: Challenges of Change - Shaping the Future, IMPACT 2014 - Proceedings. IEEE, p. 246-249 4 p. 7048373

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electrodeposition
MEMS
Actuators
Microactuators
Micromachining

Laser microsculpting for the generation of robust diffractive security markings on the surface of metals

Wlodarczyk, K. L., Ardron, M., Waddie, A. J., Dunn, A., Kidd, M., Weston, N. J. & Hand, D. P., 2015, In : Journal of Materials Processing Technology. 222, p. 206-218 13 p.

Research output: Contribution to journalArticle

Open Access
File
marking
metals
metal surfaces
lasers
biocompatibility

Laser processing of Borofloat®33 glass

Wlodarczyk, K. L., MacPherson, W. N. & Hand, D. P., May 2015.

Research output: Contribution to conferencePaper

Open Access
File

Laser processing of thin flex glass for microelectronic, OLED lighting, display and PV applications

Wlodarczyk, K. L., Brunton, A., Rumsby, P. & Hand, D. P., Jun 2015.

Research output: Contribution to conferencePaper

microelectronics
illuminating
glass
drilling
wavelengths

Laser surface texturing for high friction contacts

Dunn, A., Wlodarczyk, K. L., Carstensen, J. V., Hansen, E. B., Gabzdyl, J., Harrison, P. M., Shephard, J. D. & Hand, D. P., 1 Dec 2015, In : Applied Surface Science. 357, Part B, p. 2313-2319 7 p.

Research output: Contribution to journalArticle

Open Access
File
static friction
coefficient of friction
friction
lasers
high strength steels

Optimised co-electrodeposition of Fe-Ga alloys for maximum magnetostriction effect

Ng, J. H., Record, P. M., Shang, X., Wlodarczyk, K. L., Hand, D. P., Schiavone, G., Abraham, E., Cummins, G. & Desmulliez, M. P. Y., 1 Jan 2015, In : Sensors and Actuators A: Physical. 223, p. 91-96 6 p.

Research output: Contribution to journalArticle

Open Access
File
2014

Direct laser-writing of optical micro-structures for robust traceability marking of metal components

Wlodarczyk, K. L., Ardron, M., Weston, N., Kidd, M. & Hand, D. P., 2014.

Research output: Contribution to conferencePaper

marking
melting
nickel
Inconel (trademark)
microstructure

Efficient speckle-free laser marking using a spatial light modulator

Wlodarczyk, K. L., Kaakkunen, J. J. J., Vahimaa, P. & Hand, D. P., Jul 2014, In : Applied Physics A: Materials Science and Processing. 116, 1, p. 111-118

Research output: Contribution to journalArticle

Open Access
File
light modulators
marking
lasers
lenses
kinoform

Laser texturing for high friction applications

Dunn, A., Carstensen, J. V., Wlodarczyk, K. L., Hansen, E. B., Gabzdyl, J., Harrison, P. M., Shephard, J. D. & Hand, D. P., Oct 2014.

Research output: Contribution to conferencePaper

Nanosecond laser texturing for high friction applications

Dunn, A., Carstensen, J. V., Wlodarczyk, K. L., Hansen, E. B., Gabzdyl, J., Harrison, P. M., Shephard, J. D. & Hand, D. P., 1 Nov 2014, In : Optics and Lasers in Engineering. 62, p. 9-16

Research output: Contribution to journalArticle

Open Access
File
friction
static friction
pulses
lasers
coefficient of friction

Precision laser processing for optical device manufacture

Hand, D. P., Wlodarczyk, K. L., Albri, F., Li, J., Ardron, M., Carter, R. & Shephard, J. D., Jun 2014.

Research output: Contribution to conferencePaper

Scalable stacked array piezoelectric deformable mirror for astronomy and laser processing applications

Wlodarczyk, K. L., Bryce, E., Strachan, M., Hutson, D., Maier, R. R. J., Schwartz, N., Atkinson, D., Beard, S., Baillie, T., Parr-Burman, P., Kirk, C. & Hand, D. P., Feb 2014, In : Review of Scientific Instruments. 85, 2, 9 p., 024502.

Research output: Contribution to journalArticle

Open Access
File
Astronomy
Lasers
Stroke
Costs and Cost Analysis

Shaping the surface of Borofloat 33 glass with ultrashort laser pulses and a spatial light modulator

Wlodarczyk, K. L. & Hand, D. P., 20 Mar 2014, In : Applied Optics. 53, 9, p. 1759-1765 7 p.

Research output: Contribution to journalArticle

Open Access
File
2013

Picosecond laser machining of Borofloat®33 glass

Wlodarczyk, K. L. & Hand, D. P., Mar 2013.

Research output: Contribution to conferencePaper

Speckle-free laser marking of metals using liquid-crystal-based spatial light modulator

Wlodarczyk, K. L., Kaakkunen, J. J. J., Vahimaa, P. & Hand, D. P., 2013.

Research output: Contribution to conferencePaper

Open Access
File
metal crystals
light modulators
marking
liquid crystals
lasers
2012

Generation of microstripe cylindrical and toroidal mirrors by localized laser evaporation of fused silica

Wlodarczyk, K. L., Thomson, I., Baker, H. J. & Hall, D., 7 Sep 2012, In : Applied Optics. 51, 26, p. 6352-6360 9 p., 167334.

Research output: Contribution to journalArticle

Open Access
File
evaporation
mirrors
silicon dioxide
lasers
waveguide lasers
Open Access
File
borosilicate glass
light modulators
liquid crystals
pulses
lasers
Open Access
File
adaptive optics
optics
glass
lasers
graphite

The impact of graphite coating and wavelength on picosecond laser machining of optical glasses

Wlodarczyk, K. L., Albri, F., Maier, R. R. J., Weston, N. J. & Hand, D. P., 1 Dec 2012, ICALEO 2012 - 31st International Congress on Applications of Lasers and Electro-Optics. p. 768-774 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical glass
Graphite
Machining
Glass
Coatings
2011
Open Access
File
micromachining
smoothing
silicon dioxide
glass
lasers
2010

400W Yb:YAG planar waveguide laser using novel unstable resonators

Thomson, I. J., Baker, H. J., Wlodarczyk, K. L., Trela, N. & Hall, D. R., 2010, Solid State Lasers XIX: Technology and Devices. Clarkson, W. A., Hodgson, N. & Shori, R. K. (eds.). SPIE, Vol. 7578. (Proceedings of SPIE--the International Society for Optical Engineering; vol. 7578).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
yttrium-aluminum garnet
resonators
lasers
aberration

Laser fabrication of 1D micro-optical components by localized vaporization and bumping

Wlodarczyk, K. L., Baker, H. J. & Hall, D. R., 2010.

Research output: Contribution to conferencePoster

Open Access
File
mirrors
silicon dioxide
fabrication
annealing
lasers

Laser smoothing of binary gratings and multilevel etched structures in fused silica

Wlodarczyk, K. L., Mendez, E., Baker, H. J., McBride, R. & Hall, D. R., 10 Apr 2010, In : Applied Optics. 49, 11, p. 1997-2005 9 p.

Research output: Contribution to journalArticle

Open Access
File
smoothing
gratings
silicon dioxide
lasers
etching
2009

Mode-selective toroidal mirrors for unstable resonator planar waveguide and thin slab solid-state lasers

Wlodarczyk, K. L., Thomson, I. J., Baker, H. J. & Hall, D. R., 2009.

Research output: Contribution to conferencePoster

Open Access
File
solid state lasers
laser machining
slabs
resonators
mirrors
2008

Micro-optical fabrication based on laser smoothing of etched structures

Wlodarczyk, K. L., Mendez, E., Baker, H. J., Taghizadeh, M., McBride, R. & Hall, D. R., 1 Jan 2008, Optics InfoBase Conference Papers. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

smoothing
Microoptics
Fabrication
fabrication
Lasers