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（上接1997年第17卷第1期第6页）5激光族光准直技术将偏振光矢量方位的检测方法用于准直测量，这项研究始于80年代初[13]，其高灵敏度的特点引人注目；但由于许多技术上的障碍难以得到实际应用。我们经过十几年孜孜不倦的努力，使旋光准直技术无论在理论上还是实践上都得到了很
(Vol. 17, No. 1, 1997, p. 6) 5 Laser Family Collimation Technology The method of detecting the orientation of the polarized light vector is used for the collimation measurement. This study began in the early 1980s [13] The characteristics of sensitivity attract attention; however, it is difficult to get practical due to many technical obstacles. After more than ten years of tireless efforts, we have gained a great deal of attention in theory and practice