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The IRMMW-THz Society and the Shenggang Liu Educational Foundation have introduced a new prize:
"The Shenggang Liu Education Foundation Wang Zhenyi award for excellence in IRMMW-THz” to recognize outstanding female contributors to Infrared, Millimeter, and Terahertz wave science, technology and applications. The Award consists of a cash prize of 15,000 RMB (approximately USD2300) and a certificate of recognition stating the research achievements of the award recipient. See our "PRIZES & AWARDS" TAB for a detailed description and nomination form. Self nominations are allowed, and should be sent directly to 2021 award nominations are due on or before July 30, 2021.

The Abstract submission site is now CLOSED. We received 844 manuscripts. Reviewing is complete and all accepted paper authors have been notified. Please upload your final 2 page paper files before the June 30th deadline.

A new MEMORIALS page has been added to our website (under the NEWS Tab) to archive memorials on Society members/supporters/researchers that have been published in past conference digests (going back to 2011).  The link is: If you wish to include a memorial write up for a significant colleague/contributor to our field who has passed away over the year, please contact our Society General Secretary ( All requests for postings will be discussed and voted on by the Society Board.

Bidding proposals for hosting IRMMW-THz 2025 (#50) in Europe are due on January 31, 2022. Please send the one page preliminary forms to Peter H. Siegel ( before the due date.

***Call for 2023 Button Prize Nominations***
The 2022 CALL is now closed. 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 (see bottom of page).

****Call for 2023 Young Scientist Prize Nominations****
The 2022 YSA prize nomination deadline has passed. Nominations for 2023 are now open. The due date for receipt of applications is May 15, 2022. The application form, with the send-in email address, is available on the web page for the prize:

The site for IRMMW-THz 2022 #47 has been chosen as Rotterdam, Netherlands with tentative dates of Sept. 4-9, 2022. The local Chair will be Professor Nuria Llombart Juan of Technical University of Delft, Netherlands. The Technical Program Chair will be 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. 10-15, 2023. The local Chair will be Professor David Cooke of McGill University, Montreal. 

IRMMW-THz 2020 #45 is now over. We had over 1000 participants and more than 540 papers. Thank you all for attending and for your continued support of this conference series! Ppaers have now been uploaded to IEEE Xplore for archiving and retrieval. If you would like to view any of the videos from the conference please contact the original authors or Peter Siegel if you need help (

IRMMW-THz 2019 #44 took place in Paris, France during the week of September 1-6. The local co-Chairs were Prof. Carlo Sitori of the University Denis Diderot, Paris and Prof. Jerome Tignon of UPMC, Ecole Normale Superieure, Paris. We had 950 participants from 44 countires with a record number of submitted abstracts: 1015!

The 2021 Kenneth J Button prize went to Dr. Paul Goldsmith of the NASA Jet Propulsion Laboratory, Pasadena, California, USA, "for development of quasioptical techniques and use in high sensitivity millimeter and submillimeter wave radiometers, spectrometers, and remote sensing systems"

The 2021 Young Scientist Award went to Dr. Tyler Cocker, at the Laboratory for Ultrafast Terahertz Nanoscopy, Dept. of Physics and Astronomy, Michigan State University, USA, "for exploring ultrafast physics in single molecules and nanomaterials using techniques that combine femtosecond THz technology with scanning probe microscopy"

2021 Exceptional Service Award Winner Announced:
The 2021 IRMMW-THz Society Exceptional Service Award goes to Professor Xue-Chu Shen of Shanghai University of Technology, China.

We have added a new download section that archives a series of more than 25 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.