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Fundamentals of Lasers
F Population Inversion
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absorption alignment amplitude Appl applications argon atoms beam divergence cavity Chapter CO2 laser coherence damage deflectors detector developed devices diameter diffraction distance dye laser effect electrical electrooptic emission energy levels example excited film fluorescent focal focused frequency fringes function gallium arsenide gas lasers glass heat helium-neon laser High Power high-power hole hologram IEEE index of refraction infrared intensity isotope laser beam laser operation laser pulse laser radiation laser safety laser welding length lens Lett light beam longitudinal modes material measurement metals method mirrors modulators molecules optical output pattern peak power photodetector photographic Phys plane polarization population inversion power density Proc produced pulse duration pumping Quantum Electron Raman reflectivity resonant rotation ruby laser Schematic diagram semiconductor shown in Fig spatial spectrum spot surface switched techniques temperature thermal thickness threshold tion transmission tunable tunable lasers types typical vaporization velocity vibrational voltage wave waveguide wavelength