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New System to Generate Extreme-Ultraviolet Light Developed
A KAIST research team led by Prof. Seung-Woo Kim of the Mechanical Engineering Department developed a new system for generating coherent extreme-ultraviolet (EUV) light, school authorities announced on June 5. The new system comes in a metallic nano-structure consisting of a two-dimensional array of gold "bow tie" elements on a sapphire plate. The new process was featured in the British journal Nature on June 5. The properties of coherent EUV light make it a prime candidate for exciting technological applications. But, at present, the equipment needed to generate the short-wavelength light is costly and bulky. The system developed by Prof. Kim"s research team is expected to reduce both cost and bulk. The new system uses the conventional principle of high-harmonic generation via the interaction of a femtosecond laser pulse with a gas, but adopts the novel concept of amplifying light by way of local plasmon field enhancement, according to the research team.
2008.06.10
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Gold prize for Sungkoo Yeo and silver prize for Youngsik Kim at 'Samsung Electrics paper contest'
Gold prize for Sungkoo Yeo and silver prize for Youngsik Kim at ‘Samsung Electrics paper contest’ Sungkoo Yeo, doctorate student at the division of Electrical Engineering, and Youngsik Kim, doctorate students at the division of Mechanical Engineering, won gold and silver prizes respectively at ‘the 2nd Inside edge paper contest’ organized by Samsung Electronics. Yeo, under the supervisory of Professor Youngse Kwon, won the glory of gold prize in recognition of his highly evaluated researches in the fields of silicon-based micro mold manufacturing technologies and fine shaping technologies revealed by his paper of ‘"Fabrication of Microlens array Using PDMS Replica Molding and Oxidized Porous Silicon Bulk Micromachining’. Kim, under the supervisory of Professor Seungwoo Kim, also won the silver prize for his research performances over the thickness pattern measuring technologies of transparent thin film coated on the pattern of an opaque metal in the field of optical technology unveiled by his paper of "Dispersive white-light interferometry for in-line inspection of thin-film layers on patterned structures". Inside Edge paper contest is an academic paper contest organized by Samsung Electronics to reveal the fresh ideas and potential technologies of the young talented.
2006.11.27
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