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2011•Journal of Applied OpticsRequires access

Eye-safe repetition laser based on optical parametric oscillator

Han Yao-feng

Open publisher page 1 citations

Abstract

The phase-matching mode of KTP-OPO was theoretically analyzed and calculated,and the angle-tuning curve of KTP-OPO was given.A 1.57 μm eye-safe laser based on optical parametric oscillator was experimentally studied,which adopted KTP nonlinear optical crystal.Using a xenon-flash-lamp-pumped 1.064 μm Nd∶YAG laser in intracavity KTP-OPO,under the repetition rate of 5 Hz,a laser output with the energy of 32 mJ and the pulse width of 7.22 ns was obtained.The optical-to-optical conversion efficiency was 41%,which makes long range laser range finding possible.

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What this paper is about

The phase-matching mode of KTP-OPO was theoretically analyzed and calculated,and the angle-tuning curve of KTP-OPO was given.A 1.57 μm eye-safe laser based on optical parametric oscillator was experimentally studied,which adopted KTP nonlinear optical crystal.Using a xenon-flash-lamp-pumped 1.064 μm Nd∶YAG laser in intracavity KTP-OPO,under the repetition rate of 5 Hz,a laser output with the energy of 32 mJ and the pulse width of 7.22 ns was obtained.The optical-to-optical conversion efficiency was 41%,which makes long range laser range finding possible.

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Available abstract

The phase-matching mode of KTP-OPO was theoretically analyzed and calculated,and the angle-tuning curve of KTP-OPO was given.A 1.57 μm eye-safe laser based on optical parametric oscillator was experimentally studied,which adopted KTP nonlinear optical crystal.Using a xenon-flash-lamp-pumped 1.064 μm Nd∶YAG laser in intracavity KTP-OPO,under the repetition rate of 5 Hz,a laser output with the energy of 32 mJ and the pulse width of 7.22 ns was obtained.The optical-to-optical conversion efficiency was 41%,which makes long range laser range finding possible.

Key concepts: Optical parametric oscillator, Laser, Optics, Materials science, Optical parametric amplifier, Potassium titanyl phosphate, Range (aeronautics), Repetition (rhetorical device)

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