Determination and optimization of mode matching into optical cavities by heterodyne detection.
نویسندگان
چکیده
We report on a novel high-sensitivity method to characterize and improve mode matching into optical cavities. This method is based on heterodyne detection of cylindrical transverse cavity modes. A specially designed annular-segmented photodiode is used to measure the amplitude of nonresonant modes reflected by the cavity. Our measurements allow us to optimize cavity mode matching to nearly 99.98% and will play an important diagnostic role in gravitational-wave detectors.
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ورودعنوان ژورنال:
- Optics letters
دوره 25 4 شماره
صفحات -
تاریخ انتشار 2000