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Overview of Green Laser Pointers and Diode-Pumped Solid-State Lasers

This document delves into the mechanisms of green laser pointers, specifically focusing on Diode-Pumped Solid-State Frequency-Doubled Lasers (DPSSFDLs) that operate at a maximum of 5mW. It explores the characteristics of solid lasing mediums, including Nd:YAG, and the principles of frequency-doubling through non-linear optics. The principles outline the Coulomb potential energy bands and the process of harmonic generation. Insights from notable resources and acknowledgments of contributors are included for further study.

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Overview of Green Laser Pointers and Diode-Pumped Solid-State Lasers

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  1. Green Laser Pointers Mac Herrera

  2. Green Laser Pointers • Diode-Pumped Solid State Frequency-Doubled Lasers (DPSSFDL) • 5mW maximum

  3. Solid lasing medium Nearly identical except: energy bands Coulomb potential Solid state lasers

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  5. Solid state lasers • Nd:YAG (neodymium:yttrium aluminum garnet) • 4 level laser

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  7. Diode pumping • Laser diode • Very similar to LEDs except 2 things • pump at 808nm

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  9. Frequency-doubling • Harmonic generation • Non-linear optics • E = E0cosωtKTP • P = ε0(χ1E+ χ2E2+ χ3E3+ χ4E4+···) • KTP (Potassium-trihydrogen-phosphate)

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  12. Acknowledgements • Miriam Takeko Graf • Dustin Kyoon Brumley Esq. • (1)repairfaq.ece.drexel.edu/sam/lasersam.htm • (2) The Laser Guidebook (Hecht, 1986) • (3) High-Power Diode Lasers (Diehl, 2000)

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