发明名称 |
DIFFRAKTIVE OPTIK MIT SYNTHETISCHER APERTUR UND LASERSCHNEIDVORRICHTUNG MIT EINER SOLCHEN OPTIK |
摘要 |
<p>An optical device for focusing a light beam. The device includes a Fourier diffractive element that can separate an incident beam into n beams along n directions which are symmetric about an optical axis. The device also includes a diffractive element including n Fresnel lenses capable of refocusing the n beams onto the optical axis. The device may be used with lasers and laser cutting devices.</p> |
申请公布号 |
DE69701390(T2) |
申请公布日期 |
2000.09.21 |
申请号 |
DE1997601390T |
申请日期 |
1997.05.13 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE, PARIS |
发明人 |
GRANDJEAN, JEAN-PAUL;MEYRUEIS, PATRICK;KRESS, BERNARD;TWARDOWSKI, PATRICE |
分类号 |
B23K26/06;G02B27/10;G02B27/58;(IPC1-7):G02B27/58 |
主分类号 |
B23K26/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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