We present a traveling-wave-type optical parametric amplifier (OPA) pumped at 1.03 μm by a Yb:KGW laser, that produces tunable high-energy pulses of 6.5 to 4 μJ in the midinfrared (mid-IR) from 3.6 to 7 μm. Pumping with negatively chirped pulses generates nearly transform-limited (TL) mid-IR pulses of 300-330 fs length. Pumping with TL pulses of 200 fs decreases the output energy by a factor of...

This paper presents a new user interface called BookMap for WWW navigation tasks. This interface is an alternative to current browsing interfaces. The user’s bookmarks are represented in a graphical document called a BookMap. The BookMap is enriched with other web pages: (1) a short term history (the six last visited pages), (2) a personal “BestOf”, (the six most visited web pages), and (3)an a...

RESUMEN El presente trabajo busca reflexionar sobre el soporte teórico-metodológico del turismo agroalimentario para definir un escenario que permita comprender sus implicaciones en desarrollo de las áreas rurales y la reconfiguración los sistemas alimentarios. Para ello se realiza una aproximación sociológica al término agroalimentario, después analiza relación entre sistema alimentario turism...