$ 5.1 Fabry-Perot LaserNumerical Example:Population InversionHe-NeLaser1 = 632.8nmtsp =10-7 sec = 100ns△VH~1/ts=10MHzl = 12cm～ A0 ～10'Hz =1GHzDopplerBroadeningWidthg(u)α=0R = R = 0.98N,(=10°cm*3)Calculate
§5.1 Fabry-Perot Laser Numerical Example: Population Inversion He-Ne Laser = 632.8nm 10 sec 100ns 7 = = − sp t l =12cm 10 Hz 1GHz ( ) 1 9 = g Doppler Broadening Width 1/ =10MHz H sp t = 0 R1 = R2 = 0.98 Calculate ( 10 cm ) 9 -3 Nt
S 5.1 Fabry-Perot LaserfhR=0.9R=0.9LO多多EE艺EAmplifyinemediumAmplifying ine100aTrumaperentmeTranaparentmedium-ODAbsortingmediuAbsorbing medium0.9302.53.03.53.040(8/g)0/mTransmissionReflectivity
Transmission Reflectivity §5.1 Fabry-Perot Laser