OPA Optical Fiber Amplifier
光纤放大器

• principal absorption wavelength
• principal angle of incidence
• principal axis
• principal azimuth
• principal dielectric axe
• principal direction
• principal focal distance
• principal focus
• principal maximum
• principal optic axis
• principal plane
• principal point
• principal polarizaiton plane
• principal quantum number
• principal ray
• principal refractive index
• principal rseries
• principal trasmittance
• principal wave
• principle
• principle of detailed balance
• principle of Fermat
• principle of indeterminacy
• principle of similitude
• principle of superpoistion