Zakharov N. G.1, Lazarenko V. I.1, Saltykov E. V.1, Safronov A. S. 1
1Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
Email: dikaion@yandex.ru
We demonstrated acousto-optic and electro-optic wavelength-tuning of Cr2+: CdSe laser with the object of optical monitoring of toxic and inflammable aerosols. In case of acousto-optic wavelength-tuning the frequency of wavelength switching 76 kHz was limited by pump pulse repetition frequency and laser generation linewidth was less than 2 nm. In case of electro-optic tuning the frequency of wavelength switching 36 kHz was limited by Pockels cells relaxation time and laser generation linewidth was less than 0,5 nm. Optical efficiency of laser generation in ~ 3.3 μm spectral range was 4% for acousto-optic and 4,5% for electro-optic tuning method. Keywords: Cr2+: CdSe laser, acousto-optic wavelength-tuning, electro-optic wavelength-tuning, hazardous aerosol detection.
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