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Validation of a high-density microelectrode array for acute brain slice recordings

Related publications (49)

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Diffraction efficiency of localized holograms in doubly doped LiNbo(3) crystals

Demetri Psaltis

The diffraction efficiency of M holograms superimposed in the volume of the recording medium is proportional to 1/M-2, me present a method, based on nondestructive localized holograms in a doubly doped LiNbO3 crystal, that allows us to also record M hologr ...

2000

Coupling of organotypic brain slice cultures to silicon-based arrays of electrodes

Fetal or early postnatal brain tissue can be cultured in viable and healthy condition for several weeks with development and preservation of the basic cellular and connective organization as so-called organotypic brain slice cultures. Here we demonstrate a ...

1999

Efficient non-volatile holographic recording in doubly doped lithium niobate

Demetri Psaltis

An efficient, non-volatile holographic storage scheme in doubly doped lithium niobate is presented. The idea is to use two different deep traps. This in turn makes the recording of the holograms using longer wavelength light feasible. ...

1999

Effect of annealing in two-center holographic recording

Demetri Psaltis

Persistent holograms are recorded with red light in lithium niobate crystals doped with manganese and iron. We find that the oxidation/reduction state of the crystal has a profound impact on the recording and readout performance. The underlying physical pr ...

1999

Microelectrode arrays for electrophysiological monitoring of hippocampal organotypic slice cultures

Nico de Rooij

A three-dimensional platinum (Pt) microelectrode array embedded on a micromachined silicon (S) substrate (porosity of 13%, via hole diameter of 40 μm) has been developed. Electrodes are 35-μm wide and 20-μm high, spaced 200 μm apart and arranged in an elli ...

1997

High-density recording in photopolymer-based holographic three-dimensional disks

Demetri Psaltis

The performance specifications of a holographic three-dimensional disk system are experimentally characterized. A surface density of 10 bits/mu m(2) is experimentally demonstrated with a 100-mu m-thick photopolymer as the recording medium. (C) 1996 Optical ...

1996

Holographic 3-D Disks

Demetri Psaltis

The performance characteristics of an experimental holographic 3-D disk system are described. A surface density of 10 bits/mu(2) is experimentally demonstrated using a 100 mu m thick photopolymer as the recording medium. ...

1995

Information capacity of 3-D holographic data storage

Demetri Psaltis

Capacities for angular and wavelength multiplexed holographic data storage systems are considered. Limitations due to the spatial resolution of the recording and reconstructing fields and to the holographic recording process are derived. © 1993 Chapman & H ...

1993

Microendoscopic holography with flexible fiber bundle: experimental approach

Christian Depeursinge

An `in situ' holographic technique, based on the use of a flexible miniaturized endoscope (diameter less than 1 mm) has been developed for medical applications. The holographic process provides quantitative information on the 3-D geometry of the observed s ...

SPIE1993