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Query: UMLS:C0002986 (
Fabry
)
5,646
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
We present a method to engineer the frequency splitting of polarization eigenmodes in fiber
Fabry
-Perot (FFP) cavities. Using specific patterns of multiple CO
2
laser pulses, we machine paraboloidal micromirrors with controlled elliptical shape in a large range of radii of curvature. This method is versatile and can be used to produce cavities with maximized or near-zero polarization mode splitting. In addition, we realize dual-wavelength FFP cavities with finesse exceeding 40 000 at 780 nm and at 1559 nm in the telecom range. We provide direct evidence that the birefringent frequency splitting in FFP cavities is governed only by the geometrical shape of the mirrors, and that the
astigmatism
of the cavity modes needs to be taken into account for specific cavities.
...
PMID:Dual-wavelength fiber Fabry-Perot cavities with engineered birefringence. 3013 Sep 20
