发明名称 |
FOCUSING ELEMENT, FOCUSING ELEMENT ARRAY, EXPOSURE DEVICE AND IMAGE FORMING DEVICE |
摘要 |
There is provided a focusing element including: a light-generating element that generates light in a pre-specified wavelength range and emits diffuse light; and a hologram element in a recording layer disposed at a light emission side of the light-generating element, the hologram element being recorded by wavelength multiplexing with light of plural wavelengths selected from the wavelength range of the light-generating element, and the hologram element being illuminated with the diffuse light from the light-generating element and emitting diffracted light that converses at a pre-specified focusing point. |
申请公布号 |
US2011199662(A1) |
申请公布日期 |
2011.08.18 |
申请号 |
US20100871546 |
申请日期 |
2010.08.30 |
申请人 |
FUJI XEROX CO., LTD. |
发明人 |
YASUDA SHIN;MINABE JIRO;KAWANO KATSUNORI;OGASAWARA YASUHIRO;HAYASHI KAZUHIRO;TATEISHI AKIRA |
分类号 |
G02B5/32 |
主分类号 |
G02B5/32 |
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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