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Synthetic diamond optical elements

A technology for synthesizing diamonds and optical components, applied in optical components, optical, electrical components, etc., can solve problems such as lowering of laser-induced damage threshold, lowering of optical properties of synthetic diamond windows, beam distortion, etc.

Pending Publication Date: 2019-08-02
ELEMENT SIX TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such surface and subsurface damage in synthetic diamond windows causes a number of interrelated adverse effects, including: (1) a reduction in the laser-induced damage threshold of synthetic diamond windows; (2) a reduction in the power at which synthetic diamond windows may operate; ( 3) Degradation of optical properties of synthetic diamond windows as a result of beam distortion caused by surface and subsurface damage

Method used

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Examples

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Embodiment Construction

[0018] As described in the Summary of the Invention, one aspect of the present invention relates to the manufacture of an optical element comprising: a window formed from a synthetic diamond material; and an optical surface pattern formed directly in the surface of the synthetic diamond material, wherein the synthetic The window of diamond material is in the form of a wedge-shaped diamond window having non-parallel major surfaces with wedge angles defined in the range of 1 arcmin to 10°, and the optical surface pattern is formed directly on one or both of the non-parallel major surfaces. Among those.

[0019] figure 1 A schematic illustration of a wedge-shaped diamond window is shown in . Such wedge-shaped and patterned synthetic diamond windows have been found to be beneficial in reducing or eliminating beam distortion in certain laser applications, particularly in systems utilizing relatively long coherence length lasers.

[0020] Wedge and patterned diamond windows are ob...

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Abstract

An optical element comprising a window formed of synthetic diamond material and an optical surface pattern formed directly in a surface of the synthetic diamond material. The window of synthetic diamond material is in the form of a wedged diamond window with non-parallel major surfaces defining a wedge angle in a range (1) arcminute to 10D and the optical surface pattern is formed directly in oneor both of the non-parallel major surfaces. There is also described a laser system comprising the optical element and a laser having a coherence length, wherein the coherence length of the laser is greater than twice a thickness of the wedged diamond window at its thickest point.

Description

technical field [0001] This invention relates to synthetic diamond optical elements. Certain embodiments relate to the provision of alternatives to synthetic diamond optics including thin film anti-reflective coatings. Certain embodiments relate to synthetic diamond optical elements having optical, thermal, and mechanical properties suitable for high power optical applications, although synthetic diamond optical elements as described herein may also be used in other applications where due to factors including mechanical robustness, Given the factors of chemical inertness, low absorption and high thermal conductivity, the provision of anti-reflective coatings is undesirable. Certain further embodiments relate to the provision of lenses and birefringent synthetic diamond optics having these properties. Background technique [0002] Standard thin-film antireflective coatings on synthetic diamond optics have excellent performance in minimizing reflections, but are limited in h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B1/02G02B1/118C30B29/04H01S3/034
CPCG02B1/02G02B1/118G02B7/007H01S3/005H01S3/0064H01S3/034C30B29/04
Inventor A·C·幕赫
Owner ELEMENT SIX TECH LTD
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