全息图之所以能被记录在热塑料胶片上,是由于热塑片表面的变形按全息干涉图的光强变化而产生的原故。通常,热塑料并不是光敏的,它必须与具有光响应的薄膜结构形式的光导体相结合。某些独特的、人们所期望的特性使光导热塑料胶片成为一种重要的记录材料。对于所有的可见光而言,光导热塑料胶片的光敏度高,而且不需要时间过长的湿法显影。记录在该种材料上的全息图具有适当高的衍射效率,并在室温下保持稳定直到需要抹掉为止。这种材料可重复使用多次。此外,所记录的全息图与平面位相全息 The reason why holograms can be recorded on thermoplastics films is due to the change in the intensity of the hologram interference pattern caused by the deformation of the thermoplast surface. In general, thermoplastics are not photosensitive and must be combined with photoconductors in the form of light-responsive thin-film structures. Some unique and desirable features make light-conducting thermoplastics an important recording material. For all visible light, photoconductive thermoplastics have high photosensitivity and do not require wet development for an extended period of time. The holograms recorded on this material have suitably high diffraction efficiencies and remain stable at room temperature until they need to be erased. This material can be reused many times. In addition, the recorded hologram and planar phase hologram