发明名称 |
Large field of view, high numerical aperture compound objective lens with two pairs of identical elements and near IR spectrometer containing two such compound lenses |
摘要 |
An apparatus consisting of two pairs of identical lenses which is suitable as a compound objective lens for high numerical aperture imaging is disclosed. The compound lens also has a wide field of view as a fraction of the compound lens focal length. By suitable choice of lens materials, well corrected near infrared imaging can be achieved. When two such compound lenses together with a diffraction grating are assembled into a spectrometer, excellent wavelength resolution in the near infrared can also be obtained.
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申请公布号 |
US8358410(B2) |
申请公布日期 |
2013.01.22 |
申请号 |
US20100785049 |
申请日期 |
2010.05.21 |
申请人 |
C8 MEDISENSORS INC.;HALLSTEIN SASCHA;ICE DONALD A. |
发明人 |
HALLSTEIN SASCHA;ICE DONALD A. |
分类号 |
G01J3/28 |
主分类号 |
G01J3/28 |
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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