本文推导了在全息光学元件上细光束象散计算的全套公式。
In this paper a series of formulas for calculation of astigmatism formed by tiny light beam on a HOE plate have been derived.
本文主要研究了一种新的测量方法——细光束扫描来测量光线预制棒的折射率分布。
In this paper a new measure method is described — the technique of thin beam scan to measure the distributing of refraction ratio of section plane of polymer optical fiber.
激光器件及激光束的动态调制，目标反射系数补偿：采用半导体激光器，经过整形、准直成圆细光束。
Dynamic modulation of laser and laser bean, and offset to target reflection coefficient: laser bean is shaped and collimated to round and slender beam by using of the semiconductor laser.
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