Title :
Research and design of the APC and ATC circuits in LD controller
Author :
Pang, Zhengduo ; Su, Baishun ; Meng, Guoying ; Nianfeng Shi ; Li, Xingjun
Author_Institution :
Inst. of Mech. Electron. & Inf. Eng., Univ. of Min. & Technol., Beijing, China
Abstract :
The key issues that the LD used in the field of sensing and monitoring as light source is to ensure its safety and stable output power. This paper presents a new method to ensure the stable output power and designs a circuit, including the automatic power control (APC) circuit and automatic temperature control (ATC) circuit. Through its application in the oil contamination sensor, its reliability and validity is proved.
Keywords :
power supply circuits; semiconductor lasers; APC circuit; ATC circuit; LD controller; automatic power control; automatic temperature control; laser diode; light source; Optical modulation; Optical sensors; Optical switches; Optical variables measurement; Pollution measurement; Power measurement; APC circuit; ATC circuit; IC-WK; LD;
Conference_Titel :
Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010 International Conference on
Conference_Location :
Changchun
Print_ISBN :
978-1-4244-7957-3
DOI :
10.1109/CMCE.2010.5609886
