NDLI: Semiconductor Laser High-precision Temperature Control System Basing on Digital Signal Processing

Content Provider	IEEE Xplore Digital Library
Author	Chen Chen Lei Li Chengjun Dong Hai Yu Yiding Wang
Copyright Year	2010
Abstract	A high-precision self-adaptive proportion integral derivative (PID )control system for semiconductor laser is introduced. Output wavelength of the semiconductor laser can be drifted with the temperature changing. It affects the wavelength accuracy and the characteristics of semiconductor laser. In order to enable the semiconductor laser works steadily and maintain its temperature stability, this system is designed by using a digital signal processing (DSP) device -- TMS320LF2407 as the central processor, using 24-bit A/D converter and 12-bit D/A converter as high-precision converters, adopting the parameter auto-tuning PID algorithm to accomplish the control of temperature. Basing on experimental results, using 24-bit A/D converter and 12-bit D/A converter and self-adaptive PID control method can improve the dynamic response and increase the steady precision for temperature of diode laser. Under the control of this system, the regulation time can be reduced to 80s, and the control accuracy of laser diode temperature can be achieved as 0.1???C
Starting Page	1880
Ending Page	1883
File Size	402210
Page Count	4
File Format	PDF
ISBN	9781424468805
e-ISBN	9781424468812
DOI	10.1109/iCECE.2010.462
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature sensors Resistance Laser theory High-precision Semiconductor lasers Semiconductor laser Introduction TMS320F2407 Converters Self-adaptive Temperature control PID control Driver circuits
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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