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AUTO-GUIDING SYSTEM FOR CQUEAN (CAMERA FOR QUASARS IN EARLY UNIVERSE)
Kim, Eun-Bin,Park, Won-Kee,Jeong, Hyeon-Ju,Kim, Jin-Young,Kuehne, John,Kim, Dong-Han,Kim, Han-Geun,Odoms, Peter S.,Chang, Seung-Hyuk,Im, Myung-Shin,Pak, Soo-Jong The Korean Astronomical Society 2011 Journal of The Korean Astronomical Society Vol.44 No.4
To perform imaging observations of optically red objects such as high redshift quasars and brown dwarfs, the Center for the Exploration of the Origin of the Universe (CEOU) recently developed an optical CCD camera, Camera for QUasars in EArly uNiverse (CQUEAN), which is sensitive at 0.7-1.1 ${\mu}m$. To enable observations with long exposures, we develop an auto-guiding system for CQUEAN. This system consists of an off-axis mirror, a baffle, a CCD camera, a motor and a differential decelerator. To increase the number of available guiding stars, we design a rotating mechanism for the off-axis guiding camera. The guiding field can be scanned along the 10 arcmin ring offset from the optical axis of the telescope. Combined with the auto-guiding software of the McDonald Observatory, we confirm that a stable image can be obtained with an exposure time as long as 1200 seconds.
The US Military in Unified Korea
( William O Odom ) 한국국방연구원 2000 The Korean Journal of Defense Analysis Vol.12 No.1
The state of affairs on the Korean peninsula has shaped United States security policy in East Asia and has figured prominently in all of its global defense calculations for half a century. Today, the confrontation along the thirty-eighth parallel remains the last vestige of the Cold War that once dominated international relations. Increased globalization and the related decline of Communism augur the eventual collapse of North Korea and unification of the Korean peninsula on South Korean terms. While the timing and circumstances are impossible to predict, eventual unification is highly probable. Unification will present both the newly unified Korean state and the United States with a host of political, economic, social, and military challenges. They will range from the immediate requirement of maintaining stability and order during the transition period to the broader concerns of external security and international relations. This paper examines potential roles for us military forces in dealing with: (1) the near-term, internal challenges of integrating the two states and (2) the longer-range, regional challenges presented by the emergence of a unified and more powerful Korea. It briefly describes several unification scenarios and the conditions that will likely result from the collapse of the North. The first part of the paper will identify tasks associated with reintegration and reconstruction of the North and describe possible roles and structures for us military participation in the process. The second part of the paper will examine the changed security environment and its implications for us forces· in the region.
From US-Soviet to US-Russian Relations: The Implications for Korea
( William E Odom ) 한국국방연구원 1997 The Korean Journal of Defense Analysis Vol.9 No.2
US global engagement after WWII began in Europe in response to the Soviet political threat. With the outbreak of the war in Korea in 1950, the Soviet military threat became a reality and accelerated the implementation of the US containment strategy. As a result, a divided Korea came to be locked in a stalemate created by the Cold War. South Korea profited both economically and politically by being part of the US alliance system and a key part of the strategic equilibrium in Northeast Asia during last decade of the Cold War. With the end of the Soviet Union, that equilibrium has broken up. Achieving a new regional stability requires dealing with the region`s most urgent challenge: change on the Korean peninsula. Dealing with China is a larger but much less urgent challenge. How change in Korea works out will either leave a unified Korea without US forces and within China`s security orbit, or it will keep a unified Korea within the US security system and with US forces still present. Economically, the former outcome would be a disaster for Korea because Chinese economic and military growth are vastly overestimated. Politically, achieving the latter outcome will require Japanese and Russian as well as Chinese involvement. If it is to remain within the Western economic and security system, Korea can dispense with a US troop presence only when Japan and Korea overcome their mutual enmity and replace their bilateral ties with the United States by multilateral military ties in a single alliance.
Current Practices in the Assessment of Quality of Life in Individuals with Aphasia
K. Leigh Morrow-Odom,Dana C. Moser,Jean Neils-Strunjas 한국언어재활사협회 2017 Clinical Archives of Communication Disorders Vol.2 No.2
Purpose: The purpose of this study was to determine how speech-language pathologists (SLPs) in the United States are implementing recommendations regarding the assessment of quality of life (QoL) in persons with aphasia (PWA). Methods: A brief, anonymous survey was made available online using a web-based survey platform. Questions addressed demographics, training, importance of QoL assessment, current patterns of clinical practice, and perception of barriers. Data reported included frequency counts and percentages. Results: Sixty-two SLPs completed the survey in-part or in-full. The data suggest that the participants appreciate the importance of addressing QoL in PWA. Most participants indicated receiving instruction on QoL assessment in an academic setting, and about half reported completing continuing education on the topic. Interview and observation were most often used as the method of assessment, and few indicated using published measures. Information was elicited from a variety of sources, and QoL was most often assessed at the beginning and end of treatment, but seldom after discharge. QoL was less often assessed in those with severe and/or global aphasia. The most frequently reported barriers to assessing QoL were lack of training/knowledge and resources. Conclusions: It is hoped that these findings will help facilitate improved clinical care for persons with aphasia by encouraging SLPs to utilize currently available tools for assessing QoL in PWA and work to develop other tools and strategies for conducting QoL assessments throughout the rehabilitation process, including into the chronic stage of recovery, in order to optimize recovery.
A Spray-Processable, Low Bandgap, and Ambipolar Donor−Acceptor Conjugated Polymer
Steckler, Timothy T.,Zhang, Xuan,Hwang, Jungseek,Honeyager, Ryan,Ohira, Shino,Zhang, Xiao-Hong,Grant, Adrian,Ellinger, Stefan,Odom, Susan A.,Sweat, Daniel,Tanner, David B.,Rinzler, Andrew G.,Barlow, S American Chemical Society 2009 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.131 No.8
Transport and melt processing in functionalized pentacene with "organic wire" connections
J.S.Brooks,R.Vasic,T.Tokumoto,D.Graf,O.H.Chung,J.E.Anthony,S.A.Odom 한국물리학회 2004 Current Applied Physics Vol.4 No.5
We explore melt processing of functionalized pentacene for use in electronic and photonic devices. In parallel, the use of carbonbers to make electrical contact to the melt-lms is described. We discuss the morphology of the melted lms which includes theappearance of dendritic growth, carbon ber contacts to the lms, and the temperature dependence of the carbon, PEDOT, andpentacene components of the various structures.