Nov. 2014

Article Contents

Chinese Optics> 2014> 7(6): 942-948.

ZHANG Xue-ming. Optical design of laser receiving and color TV confocal-window[J]. Chinese Optics, 2014, 7(6): 942-948. doi: 10.3788/CO.20140706.0942

Citation:

ZHANG Xue-ming. Optical design of laser receiving and color TV confocal-window[J].Chinese Optics, 2014, 7(6): 942-948.doi:10.3788/CO.20140706.0942

ZHANG Xue-ming. Optical design of laser receiving and color TV confocal-window[J]. Chinese Optics, 2014, 7(6): 942-948. doi: 10.3788/CO.20140706.0942

Citation:

ZHANG Xue-ming. Optical design of laser receiving and color TV confocal-window[J].Chinese Optics, 2014, 7(6): 942-948.doi:10.3788/CO.20140706.0942

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Optical design of laser receiving and color TV confocal-window

doi:10.3788/CO.20140706.0942

ZHANG Xue-ming^,

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Received Date:09 Oct 2014
Rev Recd Date:11 Nov 2014
Publish Date:25 Nov 2014

Abstract

Abstract

This paper introduces the multi-band spectral fusion technology of laser receiving and color TV confocal-window. A continuous zoom lens with focal length of 20-450 mm and angel of vision from 13.6810.26~0.610.46 is adopted. Under the condition of concentrated or parallel light, the contrast tests are implemented respectively using cubic prism or flat glass to separate light. Results show that when using cubic prism under concentrated light in the big angel of vision of 13.6810.26, with the biggest light incident angle, serious color deviation and image color distortion occur. With the decrease of angel of vision and light incident angle, the degree of image color distortion declines, and almost disappears when getting closed to the small angel of view of 0.610.46 gradually. However, under the condition of using flat glass and parallel light to separate light, continuous zoom lens can not only meet the requirement of optical aberration in the whole range field of view, but also solve the color deviation problem occurred in cubic prism, which shows a regular image color. Under the restrict limitation of room size, the MTF of color TV optical system reaches 0.3 at 108 lp/mm and the design result meets the requirement of engineering application.
- spectroscope,
- multi-band spectrum,
- confocal-window fusion,
- color deviation,
- image deviation

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References (1)

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