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James Adleman

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Publications associées (10)

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Parametric Photonic Channelized RF Receiver

Camille Sophie Brès, James Adleman

A new class of photonic channelized radio-frequency (RF) receiver is proposed and demonstrated. The new device relies on generation of high fidelity signal copies by wavelength multicasting in a self-seeded, two-pump parametric mixer. Signal copying to ...

Institute of Electrical and Electronics Engineers2011

3-dimensional electrode patterning within a microfluidic channel using metal ion implantation

Demetri Psaltis, Herbert Shea, Samuel Rosset, Muhamed Niklaus, Jae-Woo Choi, James Adleman

The application of electrical fields within a microfluidic channel enables many forms of manipulation necessary for lab-on-a-chip devices. Patterning electrodes inside the microfluidic channel generally requires multi-step optical lithography. Here, we uti ...

Royal Society of Chemistry2010

Tuning parameters of metal ion implantation within a microfluidic channel

Demetri Psaltis, Herbert Shea, Samuel Rosset, Muhamed Niklaus, Jae-Woo Choi, James Adleman

Applying electrical fields is a simple and versatile method to manipulate and reconfigure optofluidic devices. Several methods to apply electric fields using electrodes on polymers or in the context of lab-on-a-chip devices exist. In this paper, we utilize ...

SPIE -Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2010

Bacteria manipulation with optically controlled fluidic valves

Demetri Psaltis, Jae-Woo Choi, James Adleman

Optically controlled fluidic valves are utilized to concentrate and detect bacteria, selectively switch the pathway of the bacteria, and demonstrate bidirectional fluidic flow within a microfluidic channel. (C) 2009 Optical Society of America ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Heterogenous catalysis mediated by plasmon heating

Demetri Psaltis, James Adleman

We introduce a new method for performing and miniaturizing many types of heterogeneous catalysis involving nanoparticles. The method makes use of the plasmon resonance present in nanoscale metal catalysts to provide the necessary heat of reaction when illu ...

2009

Chemical separations by bubble-assisted interphase mass-transfer

Demetri Psaltis, James Adleman

We show that when a small amount of heat is added close to a liquid-vapor interface of a captive gas bubble in a microchannel, interphase mass-transfer through the bubble can occur in a controlled manner with only a slight change in the temperature of the ...

2008

Optofluidic technologies

Demetri Psaltis, James Adleman

Optofluidics refers to adaptive systems that integrate optical and fluidic devices. Micro and nano-fluidics enable novel devices which introduce liquids into optical structures. We discuss recent optofluidic developments, including optically powered vapor ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

Trapping of dielectric particles with light-induced space-charge fields

Demetri Psaltis, James Adleman

Light-induced space-charge fields in lithium niobate crystals are used to trap and manipulate dielectric particles on the surface of such crystals. Without any external voltage source, strong field gradients are present in the proximity of the crystal surf ...

2007

Holographic grating formation in a colloidal suspension of silver nanoparticles

Demetri Psaltis, James Adleman

Holographic gratings are recorded in colloidal suspensions of silver nanoparticles by utilizing interfering nanosecond pulses. The diffraction efficiency is measured with continuous-wave light. An instantaneous response together with a transient grating ar ...

2006

Spectrographic microfluidic memory

Demetri Psaltis, James Adleman

Recent advancements in micro- and nanoscale fluidic manipulation have enabled the development of a new class of tunable optical structures which are collectively referred to as optofluidic devices. In this paper we will introduce our recent work directed t ...

American Soc Mechanical Engineers, Three Park Avenue, New York, Ny 10016-5990 Usa2005