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Pulse generation at 1.5-µm wavelength in new EAT14 glasses doped with Er³⁺ and Yb³⁺ ions

Młyńczak J., Kopczyński K., Mierczyk Z., Malinowska M., Osiwiański P.

Opto-Electronics Review

2012

Vol. 20, No. 1

87-90

The paper describes investigation of pulse laser generation in newly developed EAT14 glasses with the use of MALO saturable absorber. Different initial transmission of the saturable absorbers and different transmission of the output coupler were investigated. The laser generation was carried out using 976-nm pump wavelength. Comparison of peak powers, slop efficiencies and thresholds was made with a view to choose the best set of glass and saturable absorber for "eye-safe" microchip laser range-finder. The generated wavelengths by each sample were measured.

Wavelength tuning in Er³⁺,Yb³⁺:glass microchip lasers

Młyńczak J., Kopczyński K., Mierczyk Z.

Opto-Electronics Review

2009

Vol. 17, No. 1

84-88

The paper presents the investigation results of laser generation around 1.5 µm at different wavelengths. The shifts of the wavelength were achieved by the change of pump power, transmission of an output mirror, and length of an active medium. Mathematical analysis and explanation of this phenomenon was curried out on the basis of the change in relation between the gain and loss lines.