green laser pointers mac herrera. green laser pointers diode-pumped solid state frequency- doubled...
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Green Laser PointersMac Herrera
Green Laser Pointers
• Diode-Pumped Solid State Frequency-Doubled Lasers (DPSSFDL)
• 5mW maximum
Solid state lasers
• Solid lasing medium• Nearly identical except: energy bands • Coulomb potential
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Solid state lasers
• Nd:YAG (neodymium:yttrium aluminum garnet)
• 4 level laser
2
Diode pumping
• Laser diode
• Very similar to LEDs except 2 things
• pump at 808nm
2
Frequency-doubling
• Harmonic generation
• Non-linear optics
• E = E0cosωtKTP
• P = ε0(χ1E+ χ2E2+ χ3E3+ χ4E4+···)
• KTP (Potassium-trihydrogen-phosphate)
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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)