6C992 Category 6C
Optical sensing fibers not controlled by 6A002.d.3 that are modified structurally to have a ‘ beat length’ of less than 500 mm (high birefringence) or optical sensor materials not described in 6C002.b and having a zinc content of equal to or more than 6% by ‘ mole fraction.’
Category 6: Sensors and Lasers
Reasons for control
- AT: Anti-terrorism
Country chart
| Control | Column |
|---|---|
| AT applies to entire entry | AT 1 |
List-based license exceptions
Items
- Items: The list of items controlled is contained in the ECCN heading.
Related controls
N/A
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.