SMALL PHOTOMETRIC AMPLIFIER FOR MONITORING THICKNESS OF INTERFERENCE COATINGS

被引：0
|
作者：
KASIMOV, RI
SUKHANOV, AY
FAZYLZYANOV, RK
机构：
来源：
SOVIET JOURNAL OF OPTICAL TECHNOLOGY | 1991年 / 58卷 / 08期
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中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A small photometric amplifier is described for monitoring the thickness of interference coatings. With small dimensions (case diameter of 70 mm and height of 70 mm) the amplifier provides a gain coefficient up to 5000, a d-c output signal up to 10 V, and an a-c output signal up to 7 V. The error in recording transmission extremums amounts to 0.04%. The circuits of the amplifier are given together with calculation formulas and data on the errors in thickness monitoring.
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页码：507 / 508
页数：2
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