Abstract
Aiming at the framing photography frequency of about 108 frame/s or above,a kind of 3-frame framing camera with ultra high-speed and high performance is developed and put into operation.The optical principle of the camera is based on splitting the focused imaging light beam in the field of image space.It features good imaging quality and high light energy efficiency.The lens coupled gated image intensifier with high speed shutter control ability,cooled scientific CCD camera and the high speed controller based on large scale field programmable gate array with system trigger and shutter trigger are the main portions.This framing camera can capture 3frame images with ultrahigh speed of above 3.3×108 frame/s.The minimum exposure time for each image is about 3ns and can be independently setup in a wide range of from several ns to s.The frame interval time can also be adjusted at discretion step from 0ns to second level.The effective image size isΦ25mm and image array is 1 024×1 024.The spatial resolution is about 30lp/mm.The framing camera features good linearity,good response uniformity,and excellent flexibility in applications.
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