摘要
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 the largest influence for laser's characters is temperature change,so the laser for making hologram must be specially treated.The largest influence for making light road is external vibration.In order to obtain holographic reconstructing image with high diffraction efficiency,by the theoretical computation,we think the shift of interference fringe should be controlled in 1/8λ.This paper also discusses the principle and the structure of the shockproof platform,proposes the quality of hologram can be increased,and the claim of external environment can be decreased,and the probability of success can be increased by using a bitable optical device and other devices to lock interference fringe.
出处
《激光杂志》
CAS
CSCD
北大核心
1999年第3期36-38,共3页
Laser Journal
基金
云南省科委基金
关键词
温度变化
干涉条纹锁定
激光器
全息照片
temperature change,coherence length,external vibration,the locking of interference fringe
