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Ultra- high-speed digital framing cameras the optical framing system design

Author: PengXiaoXun
Tutor: YeYuTang
School: University of Electronic Science and Technology
Course: Optical Engineering
Keywords: high speed camera optical design splitting system zemax
CLC: TB852.1
Type: Master's thesis
Year: 2008
Downloads: 166
Quote: 3
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Abstract


The ultra-high speed digital gated camera has been widely applied to a great many scientific fields, such as spectroscopy, optoelectronics, dynamics, material science, hydrodynamics, non-linear optics, laser physics, plasma physics, missile research, dynamite research, shock wave research and so on. Therefore, the development of the ultra-high speed digital gated camera is so significant that a great many countries have developed it for many years.The key purpose of the thesis is to develop an optical splitting system for the ultra-high speed digital gated camera. The main contents and contributions include:1. The task of making the design scheme of the ultra-high speed digital gated camera has been accomplished.The camera is composed of the optical splitting system, the shutter system and the signal sampling and processing system. Optical signal is gained through the optical splitting system, and the interval of pulse is controlled by the shuttle system, and the electronic signal generated by CCD is processed by the signal sampling and processing system.2. The task of making the design scheme of the optical splitting system, which is one of key components of the ultra-high speed digital gated camera, has been accomplished.By way of utilizing the splitting prism, the camera is composed of front objective lenses, an eyepiece, reflectors and rear objective lenses. The splitting prism of the reflectors is one of the key components of the optical splitting system. The angle between the four surfaces and the optical axis is 45 degree, by which the incident beam can be uniformly splitted into four beams.3. The optical splitting system has been designed and the quality of image-forming has been analyzed.Being the optical splitting system is very complex, the components of it have been designed respectively. The front objective lenses, the eyepiece lenses and the rear objective lenses are all diffraction limited systems. And the optical splitting system has been proved a diffraction limited system, whose dynamic spatial resolution has been up to 16 lp/mm.4. The three-dimensional simulation model of the optical splitting system has been created.With SOLIDWORKS, the three dimensional simulation model of the optical splitting system has been created in the non-sequential mode of ZEMAX. And the three dimensional model of the splitting prism has been created in SOLIDWORKS, which is the key component of the camera.5. The quality of image-forming has been intuitively analyzed.The quality of image has been analyzed intuitively with the geometric bitmap image analysis tool which is one of the advanced analysis tools of ZEMAX. By simulation it has been indicated that the quality of image-forming is very ideal.

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CLC: > Industrial Technology > General industrial technology > Photography > Photographic machines and equipment > Photographic equipment and replication equipment > Camera
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