Ambivalent nuclear technologies use or have a potential to produce nuclear weapon relevant materials like highly enriched uranium (HEU), plutonium, tritium and U233. It is important to assess the proliferation potential and measures to strengthen the proliferation resistance of these technologies as early as possible (preventively) to find alternative more proliferation resistant designs or at least to identify sensitive parameters or even critical parts that should trigger international safeguards and export controls.

The conclusions of different case studies investigating the proliferation resistance of nuclear technologies such as spallation neutron sources, tokamak fusion reactors and plutonium fuels will be briefly presented. The main part of the talk will focus on the minimization or elimination of civil HEU usage and the role of research reactor conversion to the use of low enriched uranium, which is intrinsically more proliferation resistant. The conversion of the German high flux research reactor FRM-II will serve as an example for the complex political and technological challenges and problems one has to face, especially, if proliferation concerns are not taken seriously in the research and design phase. These case studies of relatively disparate nuclear technologies have in common that they are neutron producing technologies and some questions regarding their proliferation potential can be addressed using neutronic codes.

Finally, the talk will briefly outline the future research of the next year addressing centrifuge technology as another case study to explicate on exemplary basis general criteria for the proliferation resistant use of nuclear technologies.

Matthias Englert is a postdoctoral fellow at CISAC. Before joining CISAC in 2009, Matthias was a researcher at the Interdisciplinary Research Group Science Technology and Security (IANUS) and a PhD student at the department of physics at Darmstadt University of Technology in Germany. 

His major research interests include nonproliferation, disarmament, arms control, nuclear postures and warheads, fissile material and production technologies, the civil use of nuclear power and its role in future energy scenarios and the possibility of nuclear terrorism.  His research during his stay at CISAC focuses primarily on the technology of gas centrifuges for uranium enrichment, the implications of its use for the nonproliferation regime and on technical and political measures to manage the proliferation risks. 

Matthias has been participating in projects investigating technical aspects of the concept of proliferation resistance with topics spanning from conversion of research reactors, uranium enrichment with gas centrifuges, reducing plutonium stockpiles with reactor based options,  spallation neutron sources and fusion power plants. Further research topics included fissile material stockpiles, fuel-cycles and accelerator  driven systems. Although a substantial part of his professional work of the last years was quite technical he is equally interested in and actively studies the historical, social and political aspects of the use of nuclear technologies. Research interests include the dispute about Article IV of the NPT, the future development of the NPT regime, possibilities for a nuclear weapon free world, preventive arms control, and history and development of proliferation relevant programs. By studying contemporary theory in philosophy of the interaction of science, technology and society, Matthias acquired analytical tools to reflect on approaches describing or addressing the problem of ambivalent technology.

Matthias is a vice speaker of the working group Physics and Disarmament of the German Physical Society (DPG) and a board member of the  German Research Association for Science, Disarmament and Security (FONAS).

Michael May is Professor Emeritus (Research) in the Stanford University School of Engineering and a senior fellow with the Institute for International Studies at Stanford University. He is the former co-director of Stanford University's Center for International Security and Cooperation, having served seven years in that capacity through January 2000. May is a director emeritus of the Lawrence Livermore National Laboratory, where he worked from 1952 to 1988, with some brief periods away from the Laboratory. While there, he held a variety of research and development positions, serving as director of the Laboratory from 1965 to 1971. May was a technical adviser to the Threshold Test Ban Treaty negotiating team; a member of the U.S. delegation to the Strategic Arms Limitation Talks; and at various times has been a member of the Defense Science Board, the General Advisory Committee to the AEC, the Secretary of Energy Advisory Board, the RAND Corporation Board of Trustees, and the Committee on International Security and Arms Control of the National Academy of Sciences. He is a member of the Council on Foreign Relations and the Pacific Council on International Policy, and a Fellow of the American Physical Society and the American Association for the Advancement of Science. May received the Distinguished Public Service and Distinguished Civilian Service Medals from the Department of Defense, and the Ernest Orlando Lawrence Award from the Atomic Energy Commission, as well as other awards. His current research interests are in the area of nuclear and terrorism, energy, security and environment, and the relation of nuclear weapons and foreign policy.

David E. Hoffman is a contributing editor at the Washington Post and has been a journalist for 30 years. He came to Washington in 1977 to cover Congress, and later served as the Washington correspondent for the San Jose (Calif.) Mercury-News. He covered Ronald Reagan's campaign for the presidency in 1980, and was national economics correspondent for Knight-Ridder Newspapers. In 1982, he came to The Washington Post to cover the Reagan presidency. As a White House correspondent, he covered the major U.S.-Soviet summits of the Reagan years, including Geneva and Reykjavik, as well as domestic policy and politics. After Reagan left office, he covered the George H. W. Bush presidency. Later, he was diplomatic correspondent at the time the Soviet Union collapsed, and then served as Jerusalem correspondent, covering the Oslo peace accords. From 1995 to 2001, he served as Moscow bureau chief. His first book, based on reporting in Moscow, was The Oligarchs: Wealth and Power in the New Russia (PublicAffairs, 2002). On returning to Washington in 2001, he was Foreign editor and then Assistant Managing Editor for Foreign news, managing the Post's foreign service, until 2009.

The term laser weapon implies the use of a laser as part of a so-called directed energy weapon (DEW). In that case, the laser energy is causing the target damage. Military research led to the development of experimental lasers with continuous output powers up to 140 kW in 1966 and two Megawatts in 1980. However, those systems were huge and not part of laser weapon systems.

Since the 1980s the development in the military continued. Remarkably, civilian lasers, developed for industrial machining, have now reached output powers, which can be useful for DEW applications, too. Recently, several prototypes came into operation. On the one hand, there are industry-funded projects that use civilian of-the-shelf industrial lasers. On the other hand, there is government-funded research, which aims at high power laser systems. Major defense companies in the United States and elsewhere are working on both tracks.

Anti-satellite (ASAT) laser engagements would be a revolutionary laser application, as they would in principle enable an option of attacks on satellites with only minor debris. At the moment, attacking satellites implies the use of missiles with kinetic or explosive warheads. A kinetic impact creates debris, which would be harmful to the attacker's space assets, too. For that reason, space faring nations are discouraged from using kinetic energy attacks.

This fact enacts a kind of "natural" arms control. Lasers could change this situation, if they are used to heat up satellites just to a point where their electronics are damaged or only to impair their sensors. Hence, attacks on satellites would be more likely, if laser DEW with anti-satellite capabilities are fielded in peacetime. In a time of crisis, this would create additional political instabilities, as satellites are important early warning and reconnaissance assets.  A deployment of laser ASATs could eventually lead to an arms race in space. In order to make this scenario less likely arms control mechanism could be implemented.

This talk will focus on the technological background of laser ASATs. After a short introduction into recent technological developments, it will be examined whether current laser technology has the ability to endanger satellites. To achieve this, a physics-based method has been devised to assess laser DEW engagements. Damage mechanisms as well as possible distinctions between industrial laser setups and laser weapons will be examined in greater detail.  Options for controlling laser ASATs and obstacles for the implementations of such controls will be introduced.

Jan Stupl is a Postdoctoral Fellow at CISAC. His research concerns the current developments in laser technology regarding a possible application of lasers as an anti-satellite weapon (ASAT), as well as the proliferation of ballistic missiles. The research on laser ASATs focuses on damage mechanisms, the potential sources and countries of origin of laser ASATs and ways to curb their international proliferation. Regarding missiles, Jan is interested in the methods which are used to acquire ballistic missiles and possible ways to control this process.

Before coming to CISAC, Jan was a Research Fellow at the Institute of Peace Research and Security Policy (IFSH) at the University of Hamburg, Germany. His PhD dissertation was a physics-based analysis of future of High Energy Lasers and their application for missile defense and focused on the Airborne Laser missile defense system. This work was jointly supervised by the IFSH, the Institute of Laser and System Technologies at Hamburg University of Technology and the physics department of Hamburg University, where he earned his PhD in 2008.

Jan studied physics at the Friedrich-Schiller-University in Jena, Germany and at Warwick University in Coventry, UK. He concluded his undergraduate physics degree with a thesis in laser physics, receiving a German National Diploma in Physics in 2004. His interest in security policy and international politics was fuelled by an internship at the United Nations in New York in 2003.

Clay Moltz joined the National Security Affairs faculty of the Naval Postgraduate School (NPS) in June 2007. Since November 2008, he has held a joint appointment with the Space Systems Academic Group at NPS. He currently teaches Space and National Security, Nuclear Strategy and National Security, International Relations, and Northeast Asian Security. Prior to his appointment at NPS, he served for 14 years in various positions at the Monterey Institute’s Center for Nonproliferation Studies, including: deputy director from 2003-2007, director of the Newly Independent States Nonproliferation Program from 1998-2003, and founding editor of The Nonproliferation Review from 1993-98. He was also a faculty member in the Monterey Institute’s Graduate School of International Policy Studies.

Dr. Moltz received his Ph.D. and M.A. in Political Science from the University of California, Berkeley. He also holds an M.A. in Russian and East European Studies and a B.A. in International Relations (with Distinction) from Stanford University. Dr. Moltz worked previously as a staff member in the U.S. Senate and has served as a consultant to the NASA Ames Research Center, the Department of Energy’s National Nuclear Security Administration, and the Department of Defense’s Office of Net Assessment. He held prior academic positions at Duke University and at the University of California, San Diego.

Stephen Monismith studies flows in lakes, estuaries, and the coastal ocean. Current projects include field and computational work on wave-driven flows over coral reefs, transport in a small estuary/wetland complex, wind-waves in shallow estuaries, benthic grazing on coral reefs and in estuaries, internal waves and mixing in the Florida Keys, circulation and zooplankton retention in ther St. Lawrence estuary, mixed layer dynamics and circulation in the Gulf of Aqaba, as well as lab and computational studies of flows through coral colonies and kelp forests. He especially values field sites that are attractive (e.g. have good diving prospects) and have good restaurants. He is also involved with various scientific panels focusing on the San Francisco Bay/Delta including the IEP Science advisor group (which he chairs) and various CALFED advisory panels and groups.

What happens to armed organizations after they sign peace accords? Why do they dissolve, return to war, or form non-violent political parties? This seminar addresses and seeks to explain this empirical variation in former armed groups’' trajectories, using extensive micro-level data on the Colombian paramilitaries. In so doing, it seeks to contribute an organizational-level study of peace-building. The trajectories explored in this seminar fundamentally shape prospects for peace, state-building, and democratization, influence post-war patterns of human rights abuses, and impact the legalization of war economies.

Sarah Zukerman Daly is a 2009-2010 Predoctoral Fellow and Visiting Scholar.  She is a doctoral candidate in the Department of Political Science at the Massachusetts Institute of Technology.

Sarah holds a BA (2003) with Distinction in International Relations from Stanford University and a MS (2004) with Distinction in Development Studies from the London School of Economics. She is also an alumna of the 2002-2003 CISAC Undergraduate Honors Program.

Sarah's dissertation analyzes variation in demilitarized groups' post-war trajectories. Specifically, it asks, why, in the aftermath of peace agreements, do armed actors form political parties, remilitarize, or go out of business? Her other current projects seek to explain sub-national variation in insurgency onset in Colombia; state strategies towards ethnic minorities in the former Soviet Union; and the role of emotions in transitional justice.