{
  "url": "https://openlegislation.uk/export-of-goods-control-order-1994/schedule-1/paragraph-6C",
  "json_url": "https://openlegislation.uk/export-of-goods-control-order-1994/schedule-1/paragraph-6C.json",
  "legislation": "uksi/1994/1191",
  "legislation_title": "The Export of Goods (Control) Order 1994",
  "legislation_url": "https://openlegislation.uk/export-of-goods-control-order-1994",
  "path": "schedule/1/paragraph/6C",
  "kind": "paragraph",
  "number": "6C",
  "heading": "Equipment, Assemblies and Components",
  "text": "Materials\n6C002 Optical Sensors:\na. Elemental tellurium (Te) of purity levels equal to or more than 99.9995%;\nb. Single crystals of cadmium telluride (CdTe), cadmium zinc telluride (CdZnTe) or mercury cadmium telluride (HgCdTe) of any purity level, including epitaxial wafers thereof;\nc. Optical fibre preforms specially designed for the manufacture of high birefringence fibres specified in sub-head d.3. of entry 6A002.\n6C004 Optics:\na. Zinc selenide (ZnSe) and zinc sulphide (ZnS) substrate blanks produced by the chemical vapour deposition process:\n1. Larger than 100 cm3 in volume; or\n2. Larger than 80 mm in diameter with a thickness equal to or more than 20 mm;\nb. Boules of the following electro-optic materials:\n1. Potassium titanyl arsenate (KTA);\n2. Silver gallium selenide (AgGaSe2); or\n3. Thallium arsenic selenide (Tl3AsSe3, also known as TAS);\nc. Non-linear optical materials having:\n1. Third order susceptibility (chi 3) equal to or less than 1 W/m2; and\n2. A response time of less than 1 ms;\nd. Substrate blanks of silicon carbide or beryllium beryllium (Be/Be) deposited materials exceeding 300 mm in diameter or major axis length;\ne. Low optical absorption materials, as follows:\n1. Bulk fluoride compounds containing ingredients with a purity of 99.999% or better;\nNote: Sub-head e.1. of this entry specifies fluorides of zirconium or aluminium and variants.\n2. Bulk fluoride glass made from compounds specified in sub-head e.1. of this entry;\nf. Glass, including fused silica, phosphate glass, fluorophosphate glass, zirconium fluoride (ZrF4) and hafnium fluoride (HfF4) with:\n1. A hydroxyl ion (OH—) concentration of less than 5 ppm;\n2. Integrated metallic purity levels of less than 1 ppm; and\n3. High homogeneity (index of refraction variance) less than 5 × 10−6;\ng. Synthetically produced diamond material with an absorption of less than 10−5 cm−1 for wavelengths exceeding 200 nm but not exceeding 14,000 nm;\nh. 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 specified in head f. of entry 6A004.\n6C005 Synthetic crystalline laser host material in unfinished form, as follows:\na. Titanium doped sapphire;\nb. Alexandrite.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
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      "affecting_title": "The Export of Goods (Control) (Amendment) (No. 2) Order 2003"
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      "affecting_title": "The Export of Goods (Control) (Amendment) (No. 2) Order 2003"
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  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1994/1191/schedule/1/paragraph/6C",
    "retrieved_at": "2026-10-29T13:34:05.038647+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}