PURPOSE Surgical repair of retinal attachment or macular hole frequently requires intraocular gas. This necessitates specific postoperative positioning to improve outcomes and avoid complications. However, patients struggle with correct positioning. We have developed a novel sensor to detect the position of the gas bubble in the eye and provide feedback to patients in real time. In this paper, ...

Recently, a laser scanner has been receiving more attention as a useful tool for real-time 3D data acquisition, and various applications such as city modelling, DTM generation and 3D modelling of cultural heritage were proposed. However, robust filtering for distinguish onand off-terrain points from point cloud 3D data collected by airborne laser scanner is still issues. In particular, filterin...

Forty two sites on the Alaskan Beaufort Sea shelf break were sampled by helicopter in April 2003 for hydrographic parameters and nutrients. Mesoscale maps delineated two eddies and the Beaufort shelf break current. Higher-salinity nutrient-rich waters upwelled onto the shelf, and the depth of the main pycnocline shoaled to <22 m. A plume of 31.40-31.80 salinity water at 10 m was flowing off the...

This paper presents the dynamics of microbubbles that are pinched-off and breakup in micro-jetting. A microjet is generated in two bubble interaction when a laser induced bubble is impacting a static gas bubble in a microchannel. Gas layers with a height of hundreds of nanometer are pinched off from the accelerated gas bubble wall during the jetting process. They are further modified by surface...

The deuteron break-up exclusive reaction p+ d → N(180) + (NN)(0) is considered in the framework of the one-nucleon-exchange mechanism at the incident proton kinetic energy 0.2–2 GeV and the relative energy of nucleons in the forward going final NN -pair ENN = 0–20 MeV, that is close to the kinematical conditions of the planned experiment at COSY. The off-energy-shell effects resulting, in parti...

In every negotiation with a deadline, one of the negotiating parties has to accept an offer to avoid a break off. Therefore, it is important for every negotiator to employ a mechanism to decide under which conditions to accept. However, designing a proper acceptance condition is a difficult task: accepting too late may result in the break off of a negotiation, while accepting too early may resu...

Most wide-band amplifiers suffer from a fundamental trade-off between noise figure NF and source impedance matching, which limits NF to values typically above 3dB. Recently, a feed-forward noise canceling technique has been proposed to break this trade-off. This paper reviews the principle of the technique and its key properties. Although the technique has been applied to wideband CMOS LNAs, it...