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Maximising optical emission under the international laser and LED safety standard

机译：在国际激光和LED安全标准下最大化光发射

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摘要

Laser and LED sources are often used in optoelectronic measurement devices as probernbeam or for illumination.rnThe international laser safety standard IEC 60825-1 has been recently revised, both in termsrnof accessible emission levels for the classification of products, as well as in terms ofrnmeasurement distances which need to be used to determine emission levels.rnThis paper discusses the dependence of the limits on wavelength, pulse duration, repetitionrnrate and source size. As for large beam diameters, less than the total output power isrncompared to the limits, prescribed measurement apertures are just as important as thernpower limits for the classification of the product. Based on some examples it will be shownrnhow products can be assigned to safe product classes but still use an increased power level,rnwhich is often needed for measurement tasks.
机译：激光和LED光源通常在光电测量设备中用作探针束或用于照明。rn最近对国际激光安全标准IEC 60825-1进行了修订，无论是在用于产品分类的可达到的发射水平方面，还是在测量距离方面本文讨论了极限对波长，脉冲持续时间，重复频率和光源尺寸的依赖性。对于较大的光束直径，小于总输出功率与限值相​​比，规定的测量孔径与产品分类的功率限值一样重要。根据一些示例，将说明如何将产品分配到安全产品类别，但仍使用增加的功率水平，这通常是测量任务所需的。

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