Search Results - "Hand, Duncan P."

Review of Microfluidic Devices and Imaging Techniques for Fluid Flow Study in Porous Geomaterials by Jahanbakhsh, Amir, Wlodarczyk, Krystian L, Hand, Duncan P, Maier, Robert R J, Maroto-Valer, M Mercedes

“…Understanding transport phenomena and governing mechanisms of different physical and chemical processes in porous media has been a critical research area for…”
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Picosecond and nanosecond pulse delivery through a hollow-core Negative Curvature Fiber for micro-machining applications by Jaworski, Piotr, Yu, Fei, Maier, Robert R J, Wadsworth, William J, Knight, Jonathan C, Shephard, Jonathan D, Hand, Duncan P

“…We present high average power picosecond and nanosecond pulse delivery at 1030 nm and 1064 nm wavelengths respectively through a novel hollow-core Negative…”
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Manufacturing of Microfluidic Devices with Interchangeable Commercial Fiber Optic Sensors by Wlodarczyk, Krystian L., MacPherson, William N., Hand, Duncan P., Maroto-Valer, M. Mercedes

“…In situ measurements are highly desirable in many microfluidic applications because they enable real-time, local monitoring of physical and chemical…”
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A Novel Process for Manufacturing High-Friction Rings with a Closely Defined Coefficient of Static Friction (Relative Standard Deviation 3.5%) for Application in Ship Engine Components by Gora, Wojciech S, Carstensen, Jesper V, Wlodarczyk, Krystian L, Laursen, Mads B, Hansen, Erica B, Hand, Duncan P

“…In recent years, there has been an increased uptake for surface functionalization through the means of laser surface processing. The constant evolution of…”
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Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates by Wlodarczyk, Krystian L, Carter, Richard M, Jahanbakhsh, Amir, Lopes, Amiel A, Mackenzie, Mark D, Maier, Robert R J, Hand, Duncan P, Maroto-Valer, M Mercedes

“…Conventional manufacturing of microfluidic devices from glass substrates is a complex, multi-step process that involves different fabrication techniques and…”
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A Micro-Machined Optical Fiber Cantilever as a Miniaturized pH Sensor by Jun Li, Albri, Frank, Maier, Robert R. J., Wenmiao Shu, Jining Sun, Hand, Duncan P., MacPherson, William N.

“…A micro-cantilever fabricated using a combination of picosecond-laser machining and focused ion beam milling directly onto the end of a standard…”
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Maskless, rapid manufacturing of glass microfluidic devices using a picosecond pulsed laser by Wlodarczyk, Krystian L., Hand, Duncan P., Maroto-Valer, M. Mercedes

“…Conventional manufacturing of glass microfluidic devices is a complex, multi-step process that involves a combination of different fabrication techniques,…”
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Interlaced Laser Beam Scanning: A Method Enabling an Increase in the Throughput of Ultrafast Laser Machining of Borosilicate Glass by Wlodarczyk, Krystian, Lopes, Amiel, Blair, Paul, Maroto-Valer, M. Mercedes, Hand, Duncan P.

“…We provide experimental evidence that the laser beam scanning strategy has a significant influence on material removal rate in the ultrafast laser machining of…”
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Optimized Nanosecond Pulsed Laser Micromachining of Y-TZP Ceramics by Wang, Xin, Shephard, Jonathan D., Dear, Fraser C., Hand, Duncan P.

“…Owing to the inherent difficulty of mechanically machining hard, ytrria‐stabilized tetragonal zirconia polycrstal (Y‐TZP) ceramics, laser processing has…”
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Laser Micromachining of Zirconia (Y-TZP) Ceramics in the Picosecond Regime and the Impact on Material Strength by Parry, Jonathan P., Shephard, Jonathan D., Hand, Duncan P., Moorhouse, Colin, Jones, Nick, Weston, Nick

“…(accessed July 10, 2009).The capabilities of a high average power picosecond laser are assessed for micromachining yttria‐stabilized tetragonal zirconia…”
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Avoiding the requirement for pre-existing optical contact during picosecond laser glass-to-glass welding by Chen, Jianyong, Carter, Richard M, Thomson, Robert R, Hand, Duncan P

“…Previous reports of ultrafast laser welding of glass-to-glass have indicated that a pre-existing optical contact (or very close to) between the parts to be…”
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Polylactic is a Sustainable, Low Absorption, Low Autofluorescence Alternative to Other Plastics for Microfluidic and Organ-on-Chip Applications by Ongaro, Alfredo E, Di Giuseppe, Davide, Kermanizadeh, Ali, Miguelez Crespo, Allende, Mencattini, Arianna, Ghibelli, Lina, Mancini, Vanessa, Wlodarczyk, Krystian L, Hand, Duncan P, Martinelli, Eugenio, Stone, Vicki, Howarth, Nicola, La Carrubba, Vincenzo, Pensabene, Virginia, Kersaudy-Kerhoas, Maïwenn

“…Organ-on-chip (OOC) devices are miniaturized devices replacing animal models in drug discovery and toxicology studies. The majority of OOC devices are made…”
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Picosecond laser cutting and drilling of thin flex glass by Wlodarczyk, Krystian L., Brunton, Adam, Rumsby, Phil, Hand, Duncan P.

“…We investigate the feasibility of cutting and drilling thin flex glass (TFG) substrates using a picosecond laser operating at wavelengths of 1030nm, 515nm and…”
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Laser spot welding of laser textured steel to aluminium by Pardal, Goncalo, Meco, Sonia, Dunn, Andrew, Williams, Stewart, Ganguly, Supriyo, Hand, Duncan P., Wlodarczyk, Krystian L.

“…Laser welding of dissimilar metals (steel and aluminium) was investigated with the aim to increase the maximum tensile shear load of the Fe-Al joints. The…”
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Holographic watermarks and steganographic markings for combating the counterfeiting practices of high-value metal products by Wlodarczyk, Krystian L., Ardron, Marcus, Weston, Nicholas J., Hand, Duncan P.

“…This paper describes recent advances in laser direct writing of tamper-proof holographic structures on metal surfaces for preventing counterfeiting of…”
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Temperature and Strain Measurements With Fiber Bragg Gratings Embedded in Stainless Steel 316 by Havermann, Dirk, Mathew, Jinesh, MacPherson, William N., Maier, Robert R. J., Hand, Duncan P.

“…Single-mode optical fibers with thin nickel coatings (outer diameter ~350 μm) are successfully embedded into stainless steel (SS) 316 components using bespoke…”
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High energy green nanosecond and picosecond pulse delivery through a negative curvature fiber for precision micro-machining by Jaworski, Piotr, Yu, Fei, Carter, Richard M, Knight, Jonathan C, Shephard, Jonathan D, Hand, Duncan P

“…In this paper we present an anti-resonant guiding, low-loss Negative Curvature Fiber (NCF) for the efficient delivery of high energy short (ns) and ultrashort…”
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In-Fiber Fabry-Perot Cavity Sensor for High-Temperature Applications by Mathew, Jinesh, Schneller, Oliver, Polyzos, Dimitrios, Havermann, Dirk, Carter, Richard M., MacPherson, William N., Hand, Duncan P., Maier, Robert R. J.

“…The fabrication, characterization and encapsulation of a fiber optic temperature sensor based upon a micro Fabry-Perot (F-P) cavity is presented. The F-P…”
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Measurement of resonant bend loss in anti-resonant hollow core optical fiber by Carter, Richard M, Yu, Fei, Wadsworth, William J, Shephard, Jonathan D, Birks, Tim, Knight, Jonathan C, Hand, Duncan P

“…We present the results of measurements of resonant spectral bend loss using a novel apparatus in a series of hollow core anti-resonant optical fibers,…”
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Measurement of resonant bend loss in anti-resonant hollow core optical fiber: erratum by Carter, Richard M, Yu, Fei, Wadsworth, William J, Shephard, Jonathan D, Birks, Tim A, Knight, Jonathan C, Hand, Duncan P

“…An error on the part of the authors in drafting resulted in Eq. (3) being incorrect in the published paper [Opt. Express25, 20612 (2017)10.1364/OE.25.020612]…”
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