parallel light

  • parallel light
  • 释义

    平行光

纠错 数据更新时间:2026-04-19 20:16:50
1、

In this paper, many collimation methods at the long distance, such as parallel light collimation, parallel light autocollimation, optical projection, mark image aiming and photoelectric, are described. Their principle, characteristics, application, measuring accuracy and development tendency are analyzed.

本文论述了平行光准直法、平行光自准直法、投射法、瞄标记准直法、光电法等远距离准直方法,并分析了其原理、特点、应用、测量精度及其发展趋势。

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2、

Measuring the tittle angle of two parallel light beams using electronics holography

用电子学全息方法测量两平行光束微小夹角

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3、

Direct shadow parallel light apparatus null-balance infrared spectrometer

平行光束阴影摄谱仪零位平衡红外光谱仪

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4、

Compared to the single-mode fiber and multi-mode fiber, collimator has higher parallel light beam, smaller beam divergence ( 0.25 °), longer working distance(~ 10cm) and higher sensitivity coupling efficiency.

与单模或多模光纤相比,光纤准直器的光束平行度更高、光束发散角更小(小于0.25度)、工作距离更长(约10cm)、光束耦合效率对入射角更敏感。

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5、

The photoelectric autocollimator is small angle measuring instrument, provide effective method on checking reticle-offset of parallel light pipe.

光电自准直仪是小角度测量仪器,是为平行光管校验提供的重要测量仪器。

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6、

Two kinds of convex lens which make parallel light rays converge to the focal point are given.

本文给出两种能使平行光严格聚焦于一点的凸透镜。

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7、

Under astigmatism even narrow parallel light beams will not combine into one point.

有象散存在时甚至很窄的平行光束都不能会聚在一点.

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8、

The parallel light rays of the prnicipal axis that approach a convex lens can converge to the focal point.

只有在近轴光线条件下,平行光通过凸透镜才可近似聚焦于一点。

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