The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2018
Filed:
Mar. 04, 2014
Element Six N.v., Cuijk, NL;
Element Six Technologies Limited, Oxfordshire, GB;
Daniel Twitchen, Santa Clara, CA (US);
Andrew Michael Bennett, Oxfordshire, GB;
Yevgeny Vasilievich Anoikin, Santa Clara, CA (US);
Hendrikus Gerardus Maria DeWit, Cuijk, NL;
Abstract
An optical element comprising: synthetic diamond material; and a flattened lens surface structure in the form of a zone plate, Fresnel lens, or a spherical lens formed directly in at least one surface of the synthetic diamond material, wherein the synthetic diamond material has an absorption coefficient measured at room temperature of ≤0.5 cmat a wavelength of 10.6 μm, and wherein the synthetic diamond material has a laser induced damage threshold meeting one or both of the following characteristics: the laser induced damage threshold is at least 30 Jcmmeasured using a pulsed laser at a wavelength of 10.6 μm with a pulse duration of 100 ns and a pulse repetition frequency in a range 1 to 10 Hz; and the laser induced damage threshold is at least 1 MW/cmmeasured using a continuous wave laser at a wavelength of 10.6 μm.