Importance

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Abstract

One embodiment of a ring laser gyroscope discussed herein includes a cavity containing a gain medium having a first linewidth, a first plurality of reflective surfaces coupled to the cavity, and at least one medium exciter operable to excite the gain medium. The first plurality of reflective surfaces includes at least first, second, and third reflective surfaces. The first, second, and third reflective surfaces are positioned to reflect light along a path defined in the cavity between the plurality of reflective surfaces. The excited gain medium induces first and second laser fields within the cavity. A portion of the cavity contains an absorption medium having a second linewidth that is narrower than the first linewidth of the gain medium. The absorption medium reduces the gain of the first and second laser fields at a first range of frequencies.

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First Claim