anx_III__table__38

X.C.IV.002 | Optical materials, as follows: a. Low optical absorption materials, as follows: 1. Bulk fluoride compounds containing ingredients with a purity of 99,999 % or better; or Note: X.C.IV.002.a.1 controls fluorides of zirconium or aluminium and variants. 2. Bulk fluoride glass made from compounds controlled by 6C004.e.1 (20); b. “Optical fibre preforms” made from bulk fluoride compounds containing ingredients with a purity of 99,999 % or better, specially designed for the manufacture of “fluoride fibres” controlled by X.A.IV.004.b. Technical Note: For the purpose of X.C.IV.002: 1) “Fluoride fibres” are fibres manufactured from bulk fluoride compounds. 2) “Optical fibre preforms” are bars, ingots, or rods of glass, plastic or other materials that have been specially processed for use in fabricating optical fibres. The characteristics of the preform determine the basic parameters of the resultant drawn optical fibres.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-15 · Text as adopted (Official Journal); later amendments are not incorporated in this text.