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Thermally induced pulsation in the solid-state single-frequency diode pumped laser.

Peshko I., Jabczyński J. K.

Optica Applicata

1999

Vol. 29, nr 3

319-325

Slow, periodical self-modulation phenomena in the diode-pumped single-modulation phenomena in the diode-pumped single-frequency Nd:YVO4 laser with cobalt thin-film selector have been demonstrated. The pulses duration about 1-3 s and period about 3-10 s, depending on pump power and thermooptical properties of cavity, have been observed. The effect has been explained by the thermal changes of the cavity length connected with the difference of the heat generation rate for operating and non-operating laser.

Coherent light sources of the eye-safe spectral range

Jankiewicz Z., Peshko I.

Opto-Electronics Review

1998

Vol. 6, No. 2

111-119

A review of the papers devoted to the coherent light sources of the eye-safe spectral range is presented. An analysis of Er3+ spectroscopic parameters has been done. Such laser types as bulk glass:Er lasers, crystal:Er lasers, and fiber Er:lasers have been over viewed. Various methods of 1.5-um emission achievement, such as frequencies mixing, Raman scattering, and active wave guiding have been discussed.