Low-Loss, FemtoEtch, in-Fiber Fabry-Perot 860-nm Optical Filter
Small Business Information
655 Phoenix Dr., Ann Arbor, MI, 48108
AbstractMost commercial filters have significant loss even in the passband of the filter. This problem is further exacerbated when the filter must be integrated or inserted within an optical fiber. Translume has developed over the last few years means and expertise to micromachine single-mode fiber using a combination of femtosecond laser pulses and highly anisotropic hydrofluoric acid etching. We propose to use this unique knowledge to fabricate in-fiber Fabry-Perot filters that meet NIST requirements. Furthermore, our integrated monolithic Fabry-Perot filters will be immune to the long-term drift and sensitivity to the environment that is plaguing other Fabry-Perot filter designs.
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