Journal profile · ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

IEEE Transactions on Terahertz Science and Technology

ISSN 2156-342X · eISSN 2156-3446 · Institute of Electrical and Electronics Engineers Inc. · UNITED STATES

IEEE Transactions on Terahertz Science and Technology: CAS Zone 2 · Engineering (2025 upgraded edition); impact factor 3.48; hybrid open access; APC about USD 2,645; 179 articles in 2025; indexed in SCIE and Scopus.

Impact factor3.48Latest value listed by LetPub
CAS zoneZone 2 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 2 · Engineering
Review time—No reports yet
APCUSD 2,645Hybrid journal: charged only for open-access articles
Acceptance—No reports yet
Articles per year1792025 · OpenAlex count

Scope

Aims, scope and focus

IEEE Transactions on Terahertz Science and Technology is published by Institute of Electrical and Electronics Engineers Inc. and is in Zone 2 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Terahertz technology and applications, Superconducting and THz Device Technology and Microwave Engineering and Waveguides, together about 45.1% of its articles. Its main subfields are Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)

IEEE Transactions on Terahertz Science and Technology focuses on original research on Terahertz theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of Terahertz waves.

Source: LetPub

Research area (LetPub): ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Terahertz technology and applicationsEngineering20.1%
  2. Superconducting and THz Device TechnologyPhysics and Astronomy13.2%
  3. Microwave Engineering and WaveguidesEngineering11.8%
  4. Photonic and Optical DevicesEngineering7.4%
  5. Radio Frequency Integrated Circuit DesignEngineering5.5%
  6. Spectroscopy and Laser ApplicationsChemistry5.1%
  7. Millimeter-Wave Propagation and ModelingEngineering3.7%
  8. Gyrotron and Vacuum Electronics ResearchPhysics and Astronomy3.4%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 2
LevelCategoryZone
MajorEngineeringZone 2
MinorOpticsZone 2
MinorPhysics, AppliedZone 2
MinorEngineering, Electrical & ElectronicZone 3

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 2
LevelCategoryZone
MajorEngineeringZone 2
MinorEngineering, Electrical & ElectronicZone 3
MinorOpticsZone 2
MinorPhysics, AppliedZone 2

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 2
LevelCategoryZone
MajorEngineeringZone 2
MinorEngineering, Electrical & ElectronicZone 2
MinorOpticsZone 2
MinorPhysics, AppliedZone 2

Top journal: noReview journal: no

Database indexing

SCIEScopusLetPub

International journal early-warning lists: not listed in any editionLetPub

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor
3.48LetPub ·
CiteScore 2026-06
7.6LetPub ·
SJR 2026-06
1.02LetPub ·
SNIP 2026-06
1.56LetPub ·
h-index
43LetPub ·
h-index
87OpenAlex ·
i10-index
882OpenAlex ·
2-year mean citedness
2.44OpenAlex ·
Self-citation rate
11.1%LetPub ·
Share of gold OA articles
17.67%LetPub ·

Volume

Articles per year
113LetPub ·

Articles by year OpenAlex count · 2,233 in total · the current year is incomplete

YearArticlesOpen accessCitations
20261604497
202517942342
202414647745
202312069858
2022110621,181
2021113621,540

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Fees & open access

APC and open-access policy

Hybrid open accessLetPub

A subscription journal in which authors can pay to publish their article open access.

SourceAPCFee waiverLicenseObserved
OpenAlexUSD 2,645——

A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Profile

Publication details and official links

Publisher
Institute of Electrical and Electronics Engineers Inc.
Country or region
UNITED STATES
Language
English
ISSN
2156-342X
Electronic ISSN
2156-3446
Official links

FAQ

Frequently asked questions about IEEE Transactions on Terahertz Science and Technology

What CAS zone is IEEE Transactions on Terahertz Science and Technology in?

In the 2025 upgraded edition of the CAS Journal Ranking, IEEE Transactions on Terahertz Science and Technology is in Zone 2 of Engineering, and in Zone 2 of the minor category Optics / Physics, Applied / Engineering, Electrical & Electronic. In the 2026 Xinrui edition it is in Zone 2 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of IEEE Transactions on Terahertz Science and Technology?

The latest impact factor listed by LetPub is 3.48; CiteScore 7.6, h-index 87.

Which databases index IEEE Transactions on Terahertz Science and Technology?

According to LetPub and DOAJ records, IEEE Transactions on Terahertz Science and Technology is indexed in SCIE and Scopus.

Is IEEE Transactions on Terahertz Science and Technology open access, and what is the APC?

IEEE Transactions on Terahertz Science and Technology is a hybrid journal. For open-access publication: APC about USD 2,645.

Sources and updates

The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .