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Describe optical resonator as a laser system component
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An optical resonator is a crucial component in a laser system, responsible for creating the necessary conditions for stimulated emission and amplification of light. It consists of two mirrors placed parallel to each other, with one being highly reflective and the other partially reflective. The mirrors confine light within the resonator, creating a standing wave pattern. This confinement allows for multiple passes of light through the gain medium, leading to amplification and coherent emission of laser light. The mirrors also determine the laser's wavelength and spectral characteristics.
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