Importance

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Abstract

An enclosure for sealing a MEMS optical device, a MEMS apparatus, a MEMS module, and a method for switching optical signals are disclosed. The enclosure includes one or more sidewalls and an optical element hermetically sealed to at least one of the sidewalls. Suitable optical elements include windows, lenses and lens arrays. The enclosure may be evacuated to improve the performance of the MEMS device enclosed within it. The MEMS apparatus includes a MEMS device enclosed by an enclosure of the type described above. The MEMS device may include a substrate and the enclosure may be bonded to the substrate. Alternatively, the MEMS device may include a substrate attached to a mount and the enclosure may be bonded to the mount. The MEMS module includes a mount and a MEMS device attached to the mount. One or more optical fibers are attached to the mount proximate the MEMS device. An enclosure, attached to the mount encloses the MEMS device. The fibers are located outside the enclosure. Optical signals may be coupled between the fibers and the MEMS device within the enclosure through an optical elements in the sidewall. The optical switching method proceeds by reducing a pressure of an atmosphere proximate the MEMS optical device and moving at least one of the optical elements from a first position to a second position. The optical element deflects an optical signal when it is in the second position.

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First Claim