Laser diode current controller with a high level of protection against electromagnetic interference

被引：14

作者：

Lazar, J ^{[1
]}

Jedlicka, P ^{[1
]}

Cíp, O ^{[1
]}

Ruzicka, B ^{[1
]}

机构：

[1] Acad Sci Czech Republ, Inst Sci Instruments, CS-61264 Brno, Czech Republic

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2003年 / 74卷 / 08期

关键词：

D O I：

10.1063/1.1593783

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a current controller which satisfies the highest protection criteria of semiconductor lasers notorious for their great sensitivity to damage caused by induced electromagnetic interference. The core current source is supplied by linear isolating converter providing ripple free voltage. It is galvanically isolated, double shielded and current sense as well as current modulation are coupled via linear optocouplers. The current controller in this configuration makes safe operation of semiconductor lasers in laboratory conditions possible. (C) 2003 American Institute of Physics.

引用

页码：3816 / 3819

页数：4

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