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The C02 Laser
Detectors Resonators and Optical Components
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absorbed absorption coefficient attenuation cavity cm/min constant conventional cooling cutting cw C02 laser cw laser density depth detection detector devices diameter discharge distribution drilling Duley effect ejected electron emission excitation film flux focusing frequency fused quartz gain-switched Gaussian Gaussian beam germanium Gonsalves high-power hole incident intensity incident laser increase infrared irradiated laser beam laser heating laser intensity laser output laser power laser pulse laser welding layer material maximum measured melting metal mode modulation molecules nsec obtained occurs operation optic axis output power particles peak penetration photon population inversion pressure produced propagation pulse length pyroelectric detectors Q-switched ratio reaction reported resonator rotational ruby laser sample sheet shown in Fig shows slab solid spark gap speed stimulated emission substrate surface target TEA laser temperature thermal thermal conductivity thickness thin tion transfer transition tube vaporization vibrational voltage wavelength welding width workpiece