Abstract
We demonstrate a compact all-solid-state yellow laser source based on Q-switched dual-wavelength Nd:YAG laser and periodically-poled LiTaO(3) crystal. 589-nm yellow light was generated by single-pass sum-frequency generation of the fundamental IR waves at 1064 and 1319 nm. The maximum output power of yellow light was 506 mW and the corresponding conversion efficiency was approximately 5.5% [W(-1)cm(-1)].
Highlights
Laser light sources at 589 nm are important for a numerous applications in medicine, communication, biology, ophthalmology, Bose-Einstein condensation, display technology,#126964 - $15.00 USD (C) 2010 OSAReceived 13 Apr 2010; revised 2 Jun 2010; accepted 3 Jun 2010; published 7 Jun 2010 21 June 2010 / Vol 18, No 13 / OPTICS EXPRESS 13331 and such sources for guide stars through resonance fluorescence in the mesosphere sodium layer [1,2,3]
We demonstrate a compact all-solid-state yellow laser source based on Q-switched dual-wavelength Nd:YAG laser and periodically-poled LiTaO3 crystal. 589-nm yellow light was generated by single-pass sumfrequency generation of the fundamental IR waves at 1064 and 1319 nm
For further development, optimizing the cavity parameters for more efficient sum-frequency generation (SFG) output and using thicker periodically-poled stoichiometric or MgO-doped LiNbO3/LiTaO3 crystals [14] can scale the output to a higher power
Summary
Laser light sources at 589 nm are important for a numerous applications in medicine, communication, biology, ophthalmology, Bose-Einstein condensation, display technology,#126964 - $15.00 USD (C) 2010 OSAReceived 13 Apr 2010; revised 2 Jun 2010; accepted 3 Jun 2010; published 7 Jun 2010 21 June 2010 / Vol 18, No 13 / OPTICS EXPRESS 13331 and such sources for guide stars through resonance fluorescence in the mesosphere sodium layer [1,2,3]. An all-solid-state, high-efficient, portable yellow light source with a proper nonlinear crystal is preferred. We demonstrate an all-solid-state, compact and efficient scheme to generate 589 nm yellow light based on dual-wavelength Q-switched Nd:YAG laser operating at 1064 and 1319 nm with a periodically poled LiTaO3 (PPLT) crystal. The three-mirror cavity scheme cannot only balance the gain competition, and adjust the energy proportion between the two emission lines for high efficiency sum-frequency generation
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