Due to the impact of Covid 19, our 2022 conference dates and location have been revised. IRMMW-THz 2022 (#47) will now take place from August 28 to September 2 at the Technical University of Delft, in Delft Netherlands.  THE WEBSITE IS NOW OPEN FOR REGISTRATION, ABSTRACT SUBMISSION AND INFORMATION AT:

The 9th International Conference on Optical Terahertz Science and Technology (OTST 2022) is coming up on April 24-29th, 2022 in Budapest, Hungary. The website ( is now open for information, registration and abstract submission.

***Call for 2023 Zhenyi Wang Prize Nominations***
NOMINATIONS FOR OUR BRAND NEW 2023 Shenggang Liu Education Foundation Zhenyi Wang Award ARE DUE BY April 30, 2022. A nomination form can be downloaded here and from the PRIZES&AWARDS page.

***Call for 2023 Young Scientist Award Nominations***
NOMINATIONS FOR THE 2023 YSA Award ARE DUE BY May 15, 2022. A nomination form can be downloaded here and from the PRIZES&AWARDS page.

***Call for 2023 Button Prize Nominations***
NOMINATIONS FOR THE 2023 KJB Award ARE DUE BY April 15, 2022. A nomination form can be downloaded here and from the PRIZES&AWARDS page.

The request for conference hosting Proposals for 2025 in Europe
Bidding proposals for hosting our very special 50th conference venue: IRMMW-THz 2025 in Europe will be due on January 31, 2022. Please send the one page Hosting Information form to Peter H. Siegel ( before the due date.

The site for IRMMW-THz 2022 #47 will be in the Netherlands (either Rotterdam or Delft) with tentative dates of either Sept. 4-9, or Aug. 28-Sept. 2, 2022. The local Chair is Professor Nuria Llombart Juan of Technical University of Delft, Netherlands. The Technical Program Chair is Professor Andrea Neto, also of TU Delft.

The site for IRMMW-THz 2023 #48 has been chosen as Montreal, Canada with tentative dates of Sept. 20-25, 2023. The local Chair will be Professor David Cooke of McGill University, Montreal.

The site for IRMMW-THz 2024 #49 is Perth, Australia with tentative dates of Sept. 1-6, 2024. Professor Vince Wallace is the Local Chair and Professor Withawat Withayachumnankul, EE Dept., Univ. of Adelaide, will be the Technical Program Chair.

The 2022 Kenneth J Button prize goes to Dr. Hiromasa Ito of Tohoku University, Japan, “for pioneering contributions to the development of advanced lasers, nonlinear optical crystals, tunable THz-wave generators and sensitive detectors.”

The 2022 Young Scientist Award is given to Dr. Hassan Arbab, Stony Brook University, USA, “for important breakthroughs in the general area of THz imaging and spectroscopic measurements in the presence of scattering.”

Our 2022 Exceptional Service Award Winner is:
Professor Dan Mittleman of Brown University, USA.

We have added a new download section that archives a series of more than 30 special series articles covering the careers of many of our active Pioneers of THz Science and Technology (at the very bottom of our ABOUT page)


IRMMW-THz Society is granted full non-profit status as a US 501c3 charitable organization!
On June 10, 2016 the International Society of Infrared, Millimeter, and Terahertz Waves was granted full status as a US 501c3 non-profit charitable organization. Donations are now fully tax deductible. Contact the General Secretary if you wish to make a contribution or donate directly at:

At our 2016 meeting in Copenhagen, Denmark the IRMMW-THz Society Board voted to institute a Young Scientist Award to recognize outstanding, interdisciplinary scientific work by a young scientist who has made innovative contributions and discoveries in the field of infrared, millimeter, and Terahertz waves. The Award consists of a cash prize of $2000 and a certificate of recognition of the research achievements of the award recipient. Nominations are now open. An application form is available on PRIZES and AWARDS page.

IEEE has a new THz journal
IEEE Transactions on Terahertz Science and Technology targets the entire THz field with high impact papers. The journal received a Journal Citation Report Impact Factor of 4.35 in 2013. The impact factor places it 12th out of 247 journals in EE, 17th of 136 journals in Applied Physics and 5th out of 88 journals in Optics. The Inaugural issue was released in September 2011 and is available on IEEEXplore.

The International Journal of Infrared and Millimeter Waves has been renamed as:
Journal of Infrared, Millimeter, and Terahertz Waves (JIMT) in keeping pace with the conference.

IRMMW-THz Society Formed
On May 7, 2009 the International Society of Infrared, Millimeter, and Terahertz Waves was officially incorporated. On November 5, 2009 the Society received official status as a mutual benefit non-profit organization operating in the state of California, USA under IRS designation 501c4. The society was formed to give a permanent home to the International Organizing Committee for IRMMW-THz and to formalize the role of the IOC in maintaining the current conference series, hosting the international prize committee for the IRMMW-THz Society Kenneth J. Button Prize, and linking technically with the Journal of Infrared, Millimeter, and Terahertz Waves and the IEEE Journal of Terahertz Science and Technology. The role statement for the society is: “Promoting the worldwide collection, dissemination and exchange of scientific and technical knowledge in the areas and disciplines involving infrared, millimeter, and terahertz waves.” A copy of the latest society By-Laws can be requested from Peter Siegel through the CONTACT page on this web site.