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长春光学精密机械与物... [4]
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期刊论文 [3]
会议论文 [1]
发表日期
2014 [2]
2007 [1]
1983 [1]
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专题:长春光学精密机械与物理研究所
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Advanced research into the growth mechanism and optical properties of wurtzite ZnSe quantum dots
期刊论文
Journal of Materials Science: Materials in Electronics, 2014, 卷号: 25, 期号: 8, 页码: 3639-3644
Han D.
;
Feng B.
;
Cao J.
;
Gao M.
;
Yang S.
;
Yang J.
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浏览/下载:13/0
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提交时间:2015/04/24
Study on the synthesis and excitation-powerdependent photoluminescence spectrum of ZnSe nanoparticles
期刊论文
Applied Physics A: Materials Science and Processing, 2014, 卷号: 118, 期号: 2, 页码: 563-568
Feng B.
;
Cao J.
;
Yang J.
;
Han D.
;
Yang S.
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  |  
浏览/下载:8/0
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提交时间:2015/04/24
Design of dual-FOV refractive/diffractive LWIR optical system (EI CONFERENCE)
会议论文
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies, AOMATT 2007: Advanced Optical Manufacturing Technologies, July 8, 2007 - July 12, 2007, Chengdu, China
Zhang J.-P.
;
Wang L.-J.
;
Zhang X.
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浏览/下载:19/0
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提交时间:2013/03/25
An infrared-optical zoom system using binary element is proposed in this paper. The two main advantages of the zoom system introducing here are: bigger F-number and lower cost. The primary optical properties are: F/#=1
Second
Others
zoom ratio =1:4
binary element is used to correct the chromatical aberration by taking the advantage of negative dispersion characteristics and the cost of the system is lower than that of conventional ones with Zinc Selenide (Znse) material at the same level. In the binary element is rotational symmetric with one step which is easy to fabricate
in order to balance 5th spherical aberration
and dual field are 26.6 and 5.6respectively. Wider field of view is used for search and the smaller one is used for imaging details. This system uses un-cooled infrared detector with 320240 pixels and 45m pixel size. The F-number matches the sensitivity range of the detector array. Three aspects are considered during design process to make the system more satisfactory and more achievable. First
5th coma aberration and 5th astigmatic aberration
the manner of zoom is accomplished by exchanging tow lenses into the smaller field of view system layout. The lens exchange manner faces the requirement of simple system structure and good image quality in both focal points. It can also make the system more feasible in the alignment process than mechanical-zooming manner and optical-zooming manner
high-order asphere surfaces with 2th order to 10 th order are also hired in the system. Asphere surface is useful in compressing the system and improving optical system transmittance. This kind asphere surface is on industrial level featuring low cost and easy to fabricate. It is shown that good image quality can achieved by implementing five Germanium lenses and the transmittance of system is 72%. All aberrations are diffraction-limited
both spherical aberration and astigmatic aberration are corrected. When the field of view(FOV) is 26.6 and the focal length is 152mm
MTF at Nyquist frequency(11lp/mm) is great than 0.7. The spherical aberration is -0.0073. The coma aberration is 0.0978 and the astigmatic aberration is -0.013. When the field of view(FOV) is 5.6 and the focal length is 38mm
MTF at Nyquist frequency is great than 0.8 with spherical aberration -0.0046
the coma aberration 0.055 and astigmatic aberration 0.034.
GROWTH OF ZINC SULFO-SELENIDE SINGLE-CRYSTALS AND THEIR NEAR BAND-EDGE PHOTO-LUMINESCENCE
期刊论文
Japanese Journal of Applied Physics Part 1-Regular Papers Short Notes & Review Papers, 1983, 卷号: 22, 期号: 4, 页码: 674-676
Huang S. M.
;
Satoh S.
;
Mochizuki K.
;
Igaki K.
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浏览/下载:9/0
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提交时间:2013/03/27
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