About Us

Aresis Ltd is a world-leading manufacturer of high end laser tweezers systems. Company was founded in 2004 with a mission to bring to scientists a powerful, versatile and easy to use research tools that will allow them to concentrate on their research topics and not on a technique.

Aresis Ltd has a team with more than two decades long experience in academic research in various fields of physics and biophysics. We have been using laser tweezers in our own soft matter physics, biophysics and biology research. All this knowledge and experience is complemented with expertise in optical systems, electronics, opto-mechanics and software design resulting in laser tweezers systems with performance matching or surpassing those of the most advanced laboratory systems that take years to build with an advantage of a commercial system with a professional build, reliability and long term support.

Aresis Ltd is strongly committed to continuing development of its products in a close collaboration with our academic partners and customers with the goal of providing scientists state of the art research tool that is virtually maintenance free, easy to use and cost effective.


  • 2004 Founded in Ljubljana, Slovenia
  • 2006 First product release
  • 2007 First complete custom laser tweezers system installed
  • 2008 Tweez 200si turnkey laser tweezers system release
  • 2011 European distribution agreement signed with L.O.T. – Oriel GmbH & Co KG
  • 2012 Tweez 250si release
  • 2013 Worldwide distribution agreement signed with LOT-QuantumDesign
  • 2013 First sales in India
  • 2014 First sales in China
  • 2016 First sales in USA
  • 2016 Partner company Aresis China representing Aresis in China founded
  • 2020 Japanese distribution agreement signed with MSH-Systems, Tokyo, Japan
  • 2021 First installation in Japan (RIKEN, Wako)

Installations/ References

  • Beijing Information Science and Technology University, Beijing, China
  • ETH Zurich, Switzerland
  • FNM, University of Maribor, Slovenia
  • Faculty of Matematics and Physics, University of Ljubljana, Slovenia
  • Fudan University, Shanghai, China
  • Institute Jozef Stefan, Ljubljana, Slovenia
  • Jiangsu Normal University, Xuzhou, Jiangsu, China
  • Max Planck Institute, Stutgart, Germany
  • Medical Faculty, University of Ljubljana, Slovenia
  • NAMASTE Center of Excellence, Ljubljana, Slovenia
  • Nanjing University, Nanjing, Jiangsu, China
  • Physics Institute, University of Stuttgart, Germany
  • Physical & Theoretical Chemistry, Oxford University, Oxford, UK
  • Southwest Petroleum University, Chengdu, Sichuan, China
  • Taishan University, Tai’an, Shandong, China
  • The Institute of Physics, Chinese Academy of Sciences, Beijing, China
  • University of Hyderabad, Hyderabad, India
  • University of Karlsruhe, Germany
  • University of Milan – Bicocca, Milan, Italy
  • University of Minnesota, Minnesota, USA
  • University of Saarbrucken, Saarbrucken, Germany
  • Zhongshan Univeristy, Guangzhou, Guangdong, China
  • RIKEN Institute, Wako, Japan



  • Biotechnical Faculty, University of Ljubljana, Slovenia
  • Faculty of Mathematics and Physics, University of Ljubljana, Slovenia
  • Medical Faculty, University of Ljubljana, Slovenia
  • Institute of Pharmaceutical Sciences, University of Graz, Austria