A microprocessor-controlled laser grating system for laser tuning |
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| Authors: | H Daneshvar-Hosseini D L Begley H R Heidary L D Coraor |
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| Institution: | The authors are in the Department of Electrical Sciences and Systems Engineering, Southern Illinois University, Carbondale, Illinois 62901, USA |
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| Abstract: | An apparatus for tuning a laser system to different wavelengths has been developed. The controlling electronics consists of a microprocessor and stepper motor combination utilized to control the angular position of a laser cavity grating. A resolution of 0.09° per step has been obtained. Convenient, accurate, remote tuning of a laser is achieved with the output wavelength displayed and/or retained in system memory. |
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| Keywords: | lasers tuning diffraction grating microprocessor control |
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