коллимация

коллимация

The ideal input beam is a cylinder of light. No beam of finite dimensions can be perfectly collimated; at best there is a diffraction limit. In practice the input beam is a cone that is determined by the source size or aperture used. The degree of collimation can affect the S/N and the resolution

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Industry/Domain: Chemistry
Category: Spectroscopy
Company: Newport
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A single beam spectrum acquired with no sample in the infrared beam. The purpose of a background spectrum is to measure the contribution of the instrument and environment to the ...

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A reflectance sampling technique. In ATR, infrared radiation impinges on a prism of infrared transparent material of high refractive index. The total internal reflectance based ...

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A meeting of bishops of an ecclesiastical province or patriarchate (or even from the whole world, e. G. , Synod of Bishops) to discuss the doctrinal ...