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首页> 外文期刊>Sensors and Actuators, A. Physical >Experimental evaluation of a pyroelectric detector linearity used for pulsed laser energy absolute measurement
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Experimental evaluation of a pyroelectric detector linearity used for pulsed laser energy absolute measurement

机译：用于脉冲激光能量绝对测量的热释电探测器线性度的实验评估

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The linearity of a pyroelectric detector used for pulsed laser energy absolute measurement has been studied using an experimental evaluation. Two different methods were used to evaluate the detector linearity: by comparison to a calorimeter and using the inverse square distance law. Different detection substrates were used and tested. A heating material in the form of a thin film was integrated into the substrate. This material is not only absorbent to transform laser energy into heat but also electrically resistive to transform the electric energy delivered by a current pulses generator into heat by Joule effect. An original approach based upon an electric substitution method has been used to measure the pulses energy given by the laser system and not the pulses mean power as it is commonly used. The measurement method is then based upon the comparison of the maximum voltage responses which are proportional to the pulse energy. (c) 2005 Published by Elsevier B.V.
机译：使用实验评估研究了用于脉冲激光能量绝对测量的热释电探测器的线性。两种不同的方法用于评估探测器的线性度：与量热仪进行比较并使用平方反比定律。使用了不同的检测底物并进行了测试。薄膜形式的加热材料被集成到基板中。这种材料不仅具有吸收性，可以将激光能量转化为热能，而且具有电阻性，可以通过焦耳效应将电流脉冲发生器传递的电能转化为热能。已经使用基于电替代方法的原始方法来测量激光系统给定的脉冲能量，而不是通常使用的脉冲平均功率。然后，该测量方法基于与脉冲能量成比例的最大电压响应的比较。 （c）2005年由Elsevier B.V.

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