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(3-5) μm and (8-12) μm Wavelengths Ultra-Short Tunable Laser Pulses Using Optical Parametric Oscillation Technique | ||
| Iraqi Journal of Applied Physics | ||
| Article 1, Volume 4, Issue 4, 2008, Pages 35-39 | ||
| Authors | ||
| A.A. Al- Dergazly; F.F. Rasheed; S.M. Jumaa | ||
| Abstract | ||
| A computational investigation has been carried out on optical parametric oscillation (OPO) technique. Non-collinear phase matching between the pumping wave and the two generated signal and idler waves has been taken into consideration. In order to separate the two generated waves a design has been put forward for a resonator for each wave within the same cavity and interrelated by mirror that transmits the pumped laser beam. The cavity configuration takes into account the three types of phase matching between the three waves. Solid state lasers were considered for pumping the nonlinear crystal. Furthermore, attention has been paid on the solid state Er:YAG laser for pumping the positive uniaxial AgGaSe2 crystal to generate a signal wave of (8-12)μm wavelength so the generated idler wave from 3.82 to 4.55μm wavelength. | ||
| Keywords | ||
| OPO; Tunable lasers; Ultra; short pulses; Phase matching | ||
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