The present disclosure relates to generators. Various embodiments thereof may include a fiber-optic accelerometer, in particular for use in a generator. For example, a fiber-optic accelerometer may include: an optical fiber having a free end, wherein the free end can be caused to vibrate under the influence of acceleration; a light source for emitting visible, ultraviolet, or infrared light into the optical fiber; a mirror arranged to reflect a portion of the light exiting the free end back into the optical fiber; and a detection device sensing reflected light at the end of the fiber opposite from the free end. The core of the optical fiber may include a Bragg grating in the free end.
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