September 22-26, 2025, Tsukuba, Japan
OS2025 will present the latest experimental, numerical, and theoretical studies on plasma physics and fusion science, including plasma confinement, plasma heating and stability, transport phenomena, direct energy conversion, plasma diagnostics, plasma-wall interactions, applications of mirror plasmas, mirror-based 14-MeV neutron sources, and prospects for mirror-based reactors.
All presenters are invited to submit a manuscript for the OS2025 Proceedings, which will appear in a special issue of the Journal of Plasma Physics (JPP). The submission deadline is March 1, 2026. See details.
Thank you for your participation. The group photo is now available for download from here. We look forward to seeing you at the next OS.
Registration and payment for OS2025 closed on September 16. Access to your My Page will remain available until October 14. Please make sure to download your receipt within this period if necessary.
You can check presentation numbers and abstracts in the Program section.
Thank you for your application.
If you wish to participate, please fill out the application form by August 20.
Please proceed to the Program section to download the timetable in PDF format.
Participants who require a VISA to enter Japan can now download and submit an invitation letter request form via the new VISA page.
Participants and accompanying persons can now request hotel reservations via the form in the Accommodation section with a deadline of August 4 August 13 (JST).
Please proceed to the Registration section to complete your registration.
The abstract submission has been closed. Thank you for your submission.
The abstract deadline has been extended to May 31.
OS2025 website has been launched. In this year, OS2025 will be held at Tsukuba, Japan. We look forward to seeing you at Tsukuba.
We would like to express our sincere gratitude to all participants for making OS2025 a great success. Your contributions and active discussions were invaluable, and we look forward to meeting you again at future conferences.
We would like to invite all presenters to submit a manuscript for the OS2025 Proceedings, which will be published in a special issue of the Journal of Plasma Physics (JPP).
For details about formatting and submission, please refer to the Instructions for Authors on the journal website.
We look forward to your contributions to this special issue!
Registration and payment for OS2025 closed on September 16.
Access to your My Page will remain available until October 14.
If you need to download your receipt, please do so within this period.
View Timetable (PDF) (Last updated: Sep. 17 JST)
View Full Timetable (PDF) (Last updated: Sep. 23 JST)
Note: Please pay the banquet participation fee by August 24. This fee is non-refundable in case of cancellation.
A machine tour at the Plasma Research Center is scheduled for the afternoon of September 26. Participants will have the opportunity to visit cutting-edge experimental facilities, including GAMMA 10/PDX and Pilot GAMMA PDX-SC.
Registration for the machine tour is now closed as the maximum number of participants has been reached.
Participants and their accompanying persons can stay at Hotel JAL City Tsukuba, which is the closest hotel to the conference venue.
Hotel rooms are reserved for the period of Sep. 21–27 (check-in on the 21st, check-out by the 27th), and will be allocated on a first-come, first-served basis.
Route to Hotel JAL City Tsukuba
The reservation request form is now closed.
Breakfast: 2,200 JPY per meal (optional)
Payment should be made individually at check-in.
Accepted methods: credit card or cash (JPY only)
Accepted Credit Cards: DINERS, VISA, JCB, DC, UC, MC, AMEX, NICOS, UNION PAY
Travel information in Japan is summarized by Japan National Tourism Organization, which is one of the Japanese government offices.
Learn about Tsukuba
VISA information is summarized here.
To request an invitation letter for VISA application, please click the button below and submit the form by July 31:
Most participants are recommended to use Narita International Airport, which is the largest international airport in Japan. Haneda Airport is also a good option, which is the largest domestic airport in Japan. Note that Ibaraki Airport is not recommended for accessing Tsukuba.
When entering Japan, it is convenient to use Visit Japan Web. A part of the immigration and customs procedures can be completed in advance.
Whether Narita International Airport or Haneda Airport, taking a bus is the easiest way to Tsukuba. You need to buy a bus ticket at the airport.
Timetable from Narita International Airport to Tsukuba
5G and 4G cellular networks are available countrywide. eSIMs and SIM cards can be obtained online and at airports, respectively. Note that after arriving in Tsukuba it is difficult to buy SIM cards.
Credit cards are available countrywide, but cash is also frequently used in Tsukuba. The easiest way to get cash is to use an ATM at a convenience store.
The train available in Tsukuba is Tsukuba Express, which directly goes to Akihabara in Tokyo. Kanto Railway Bus and Tsuku Bus are also available as local buses. The payment by an IC travel card is useful, but the cash is also available.
There is a taxi stand at Tsukuba Center. Taxi apps are also available in Tsukuba, e.g., Uber and GO.
In case of emergencies, e.g., great earthquake, your smartphone will sound an alert. In that case, please ensure your safety and follow the instructions of staffs.
Safety tips for travelers
The easiest way to airports is to take a bus from platform 8 at Tsukuba Center. The bus ticket to Narita International Airport can be reserved online or at the bus ticket office using your credit card. You can also board the bus without a reservation, if there are available seats. In this case, you need to pay the fare in cash or with an IC travel card when boarding the bus.
Route to Tsukuba Center
Takezono 2-20-3, Tsukuba, Ibaraki 305-0032, Japan
The main venue is Convention Hall 200 on the 2nd floor. Registration will take place in the lobby outside this Convention Hall.
The poster session will be held in the Multi-Purpose Hall on the 1st floor.
The floor layout of the conference venue can be viewed via the link below.
Conference venue floor map (PDF)
