发明名称 |
ZOOM OPTICAL SYSTEM |
摘要 |
A zoom optical system is provided which has a lens system which comprises a first lens which is arranged to provide a continuously variable focus for a beam of radiation. The lens system further comprises a switchable optical element including a first fluid, a second fluid and a wavefront modifier having a part through which said radiation beam is arranged to pass. In a first mode the switchable optical element has a first fluid configuration with said part being substantially covered by the first fluid, and in a second mode the switchable optical element has a second, different, fluid configuration with said part being substantially covered by the second fluid. |
申请公布号 |
EP1704426(A2) |
申请公布日期 |
2006.09.27 |
申请号 |
EP20050702560 |
申请日期 |
2005.01.04 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
HENDRIKS, BERNARDUS, H., W.;KUIPER, STEIN |
分类号 |
G02B3/14;G02B15/00;G02B26/02 |
主分类号 |
G02B3/14 |
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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