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1991 | 80 | 3 | 429-431
Article title

Temperature and Intensity Dependent Faraday Rotation in Hg_{1-x}Mn_{x}Te at CO_{2} Laser Wavelengths

Content
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Languages of publication
EN
Abstracts
EN
Faraday rotation in Hg_{1-x}Mn_{x}Te (x = 0.11) has been investigated experimentally over the temperature range from T = 8 K to 250 K using a Q-switched CO_{2} laser. Due to the exchange interaction between mobile carriers and localized Mn ions, dramatic enhancement of Verdet coefficient at low temperatures has been observed. The values of Verdet coefficient V = 5585 rad T^{-1} m^{-1} at 8 K and V = 1745 rad T^{-1} m^{-1} at 80 K have been obtained for Hg_{0.89}Mn_{0.11}Te at 10.6 μm. The dependence of Faraday rotation on intensity of laser radiation has been observed. Intensity dependent Faraday rotation shows saturation for high laser power. Intensity induced rotation is qualitatively attributed to the dispersion associated with saturable absorption of laser radiation. The results obtained in this work indicate that Hg_{1-x}Mn_{x}Te is a suitable material for Faraday rotator at CO_{2} laser wavelengths for high power laser beam.
Keywords
EN
Year
Volume
80
Issue
3
Pages
429-431
Physical description
Dates
published
1991-09
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv80z330kz
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