ECCN.DEV by Cancelli

6A225 Category 6A

Velocity interferometers for measuring velocities exceeding 1 km/s during time intervals of less than 10 microseconds.

Category 6: Sensors and Lasers

Reasons for control

Country chart

ControlColumn
AT applies to entire entryAT 1
NP applies to entire entryNP 1

List-based license exceptions

ExceptionAs stated in the entry
GBS N/A
LVS N/A

Items

  1. ECCN Controls: 6A225 includes velocity interferometers, such as VISARs (Velocity Interferometer Systems for Any Reflector), DLIs (Doppler Laser Interferometers) and PDV (Photonic Doppler Velocimeters) also known as Het-V (Heterodyne Velocimeters).
  2. Items: The list of items controlled is contained in the ECCN heading.

Related controls

See ECCNs 6E001 (“development”), 6E002 (“production”), and 6E201 (“use”) for technology for items controlled under this entry.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.