论文部分内容阅读
本文指出;对激光器性能影响最大的是温度变化,故用于全息照像的激光器,必需作专门的技术处理,对全息拍摄光路影响最大的是外界振动,我们经理论计算指出,振幅最少应控制在八分之一波长以内,才能保证全息图片再现时,有较高的衍射效率,论述了防震平台的原理和结构。指出在拍摄时间长时,采用光学双稳态和其它条纹锁定装置对干涉条纹进行锁定,可以提高全息图片的质量,降低拍摄环境的要求和提高拍摄的成功率。
This paper points out that the most influential factor on the performance of a laser is its temperature change. Therefore, a holographic laser needs special technical treatment. The most influential to the holographic optical path is the external vibration. According to our theoretical calculations, the amplitude should be controlled at least In the one-eighth wavelength, in order to ensure hologram reproduction, there is a higher diffraction efficiency, discussed the principle and structure of the shockproof platform. It is pointed out that the locking of interference fringes with optical bistable and other stripe locking devices can prolong the quality of holographic images, reduce the requirements of shooting environment and improve the shooting success rate.