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All-solid-state continuous-wave doubly resonant all-intracavity sum-frequency mixer.
Optics Letters
|January 12, 2008
Summary
Researchers developed a new resonator for continuous-wave intracavity sum-frequency mixing, generating 212 mW of 618 nm coherent radiation. This laser technology advancement utilized two Nd:YAG and Nd:YALO lasers.
Area of Science:
- Laser Physics
- Nonlinear Optics
Background:
- Intracavity sum-frequency mixing (SFM) is a key technique for generating visible laser light.
- Efficiently generating visible coherent radiation requires optimized resonator designs and nonlinear crystals.
Purpose of the Study:
- To present a novel resonator design for continuous-wave (CW) intracavity SFM.
- To investigate different resonator configurations and nonlinear crystals for improved SFM efficiency.
Main Methods:
- Developed a new resonator design for CW intracavity SFM.
- Employed two fundamental lasers: a 1080-nm Nd(3+):YAlO(3) laser and a 1444-nm Nd(3+):YAG laser.
- Investigated two distinct mixing resonator setups and multiple nonlinear-optical crystals.
Main Results:
- Successfully generated 212 mW of coherent radiation at 618 nm.
- Demonstrated the feasibility of the new resonator design for SFM applications.
- Identified limitations including unequal fundamental laser performance and nonlinear crystal coating issues.
Conclusions:
- The presented resonator design shows promise for efficient SFM.
- Further optimization is needed to overcome current limitations for higher output powers.
- This work contributes to advancements in visible coherent light generation.
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