off-axis hologram中文什么意思

例句与用法

1. Off - axis hologram
   离轴全息图
2. This method has some characters : during recording of the transmissive holograms the holographic grating placed in front of the holographic plate closefittingly is used as a spectroscope . the transmissive wave is served as the object wave and the diffraction wave through the holographic grating or the deflective reflect wave produced by the silicon slice is served as the reference wave , therefore the hologram is named as self - reference image hologram . the recording results are the off - axis holograms and the twin images can be separated successfully
   在记录透射型全息图时，将全息光栅紧贴置于记录干板之前，而光栅起到了分光的作用，直透波作为全息图的物光波，参考光是物光通过光栅后产生的衍射波；记录反射型全息图时将硅片置于记录干板之后，利用反射硅片产生离轴参考光，因此系统仅需一束照明光束，参考光来自物光本身，因此称之为自参考像全息图。
3. This is the first generation holograph . aided by an abundance ot the new coherent laser light and extended by a number of technological advances , leith and upatnieks produced the off - axis hologram recorded and reconstructed by laser in 1962 . the twin images can be separated in this hologram
   随着高相干度激光的出现， 1962年leith和upatnieks将通讯理论中的载频概念推广到空域中提出激光记录、激光再现的离轴全息图，分离了孪生像，使全息术进入了第二代全息图的发展时期。