Carmel Lehrer

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We present high-resolution aperture probes based on non-contact silicon atomic force microscopy (AFM) cantilevers for simultaneous AFM and near-infrared scanning near-field optical microscopy (SNOM). For use in near-field optical microscopy, conventional AFM cantilevers are modified by covering their tip side with an opaque aluminium layer. To fabricate an(More)
The near-field probes described in this paper are based on metallized non-contact atomic force microscope cantilevers made of silicon. For application in high-resolution near-field optical/infrared microscopy, we use aperture probes with the aperture being fabricated by focused ion beams. This technique allows us to create apertures of sub-wavelength(More)
Both hypothermia and anaesthesia are known to prolong hypoxic survival. The combined effect of anaesthesia and hypothermia on survival in a confined atmosphere was studied in rats whose O2 consumption (VO2) produced hypoxia. Blood gases and respiratory parameters were measured in either ambient temperature TA = 30 degrees C (final body temperature TB = 36(More)
BACKGROUND The LightWire is a newly developed opto-acoustic coronary imaging guidewire that was designed to be used during angioplasty procedures and provide 'online' information on lumen and vessel wall dimensions. METHODS We designed in vitro models and performed animal trials to confirm proper device sensing capabilities and performance in the coronary(More)
A dual band low noise and low cost wireless LAN amplifier has been fully integrated in a commercial SiGe:C bipolar technology using a highly doped silicon substrate. Outstanding low noise figures of 0.9dB at 2.4GHz and 1.45dB at 6GHz have been measured. Current consumption is 11mA in the low band and 17 mA in the high band, out off a voltage supply of 3.2V,(More)
Survival in a confined atmosphere where O2 is limited may be extended by hypothermia. Rats were placed in a thermoregulated sealed chamber which contained a limited amount of air. Rats were studied at low ambient temperatures, in which their terminal rectal temperatures (TB) were 33.2-8.3 degrees C. Rats which had a terminal TB of 20 degrees C achieved(More)
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