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Category : Laser components, systems, equipment and applications > Laser components and systems
Laser resonator
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As is with most lasers, the Laser resonator consists of only 3 parts; the high reflector 103, the Laser material 104, and the output coupler 105. Pump Laser radiation100 incident on the solid dye Laser disc 104 gives rise to Laser action as the round-trip gains exceed the losses within the Laser resonator. The resultant dye Laser beam is shown as 106. The resonator is of the stable resonator type, in that the radius of curvature of the high reflector 103 is longer than the distance between the two Laser mirrors, and is not equal to the distance between the two mirrors. Thus, the stability condition is met within the resonator, and an output beam of high temporal quality is achieved. The spatial mode of the Laser of Figure-1 is TEMoo. Now that the Figure-1 has been described, you can see the inline nature of the design. This design can be used in applications where a size or shape of the overall system needs to be kept at a minimum or within certain constraints preventing or limiting the design otherwise. In addition, coupling efficiency is kept at a maximum due to minimal insertion losses and minimal optical path lengths required for the entire optical Laser system
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