The Secretary of State for Defence in Her Britannic Majesty's Government

James A Savage

Alan H Lettington

Keith Loder Lewis

A coating having low absorbance of laser energy is provided on optical components substrates by molecular beam epitaxial growth techniques. The growth conditions prevent contamination of substrate and coating with water and carbonaceous gases. The method of coating has the following steps:

Method of coating optical components

An infra red transmitting glass has up to 30 atomic percent of telluride substituted for selenide in a glass within the following range:

Infra red transmitting glasses

An imaging system in which radiation from a scene is focussed onto a rotor to sweep the image across a detector whose output is used to drive a display such as a cathode ray tube; the rotor has one or more bundles of radiation transmitting fibres. The system may operate in the visible or infra red part of the electromagnetic spectrum.

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Malvern, United Kingdom

James A Savage