Title :
A Cr/sup 2+/ doped polycrystal ZnSe laser for the MIR
Author :
Herriot, S. ; Pocholle, J.P. ; Berger, V. ; Pham-Thi, M. ; Lallier, E. ; Julien, F.
Author_Institution :
Corporate Res. Lab., Thomson-CSF, Orsay, France
Abstract :
Summary form only given. Laser action of transition-metal-doped zinc chalcogenide (Cr/sup 2+/:ZnSe, Cr/sup 2+/:ZnS) were previously demonstrated in the mid infrared with a large tunability according to their broadband emission spectrum. Whereas previous results were obtained with single-crystals, we report laser action with home-doped Cr/sup 2+/:ZnSe polycrystal materials using a diffusion method. In our experiment, the pumping wavelength at 18 /spl mu/m was obtained using an LiNbO/sub 3/ OPO (optical parametric oscillator) pumped at 1064 /spl mu/m.
Keywords :
II-VI semiconductors; absorption coefficients; chromium; diffusion; infrared sources; laser tuning; optical pumping; semiconductor lasers; zinc compounds; 1.064 mum; 1.8 mum; Cr/sup 2+/ doped polycrystal ZnSe laser; Cr/sup 2+/:ZnSe lasers; LiNbO/sub 3/; LiNbO/sub 3/ optical parametric oscillator; MIR lasing; ZnSe:Cr; broadband emission spectrum; diffusion method; home-doped Cr/sup 2+/:ZnSe polycrystal materials; large tunability; laser action; pumping wavelength; transition-metal-doped zinc chalcogenide; Chromium; Infrared spectra; Laser transitions; Nonlinear optics; Optical materials; Optical pumping; Oscillators; Pump lasers; Stimulated emission; Zinc compounds;
Conference_Titel :
Lasers and Electro-Optics Europe, 2000. Conference Digest. 2000 Conference on
Conference_Location :
Nice
Print_ISBN :
0-7803-6319-1
DOI :
10.1109/CLEOE.2000.910167
