Apparatus for adjustment, attenuating device, coupling device and filtering device
AssigneeHewlett-Packard Company
InventorsJochen Ziegler, Rolf Steiner
Life of this patent
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Abstract
This invention relates to devices in the field of optical communication networks and measurement devices and to an apparatus for adjustment of a first optical device relative to a second optical device. The apparatus for adjustment can be used for example in attenuating devices, coupling devices and filtering devices. A precise and reproducible adjustment is achieved by an apparatus for adjustment of a first optical device relative to the position of a second optical device and includes first apparatus for fixing the first optical device, second apparatus for fixing the second optical device and further apparatus for fastening said first and said second apparatus' planes parallel to each other.
Claims8
Apparatus for adjustment of a first optical device relative to the position of a second optical device, comprising:
- a first differential spindle with a first male screw thread and a second male screw thread,
- a second differential spindle with a third male screw thread and a fourth male screw thread,
- first means for fixing said first optical device and comprising (i) a first female screw thread for said first male screw thread and (ii) a second female screw thread extending orthogonally with regard to said first female screw thread for said third male screw thread,
- a housing comprising (i) a first female screw thread for said second male screw thread and (ii) a second female screw thread extending orthogonally to said first female screw thread of said housing for said fourth male screw thread,
- second means for fixing said second optical device, and
- means for fastening said first and said second means so that major planes thereof are parallel to each other, said means for fastening including at least two spacing pieces arranged at equally spaced points with respect to said first and second optical devices.
Dependencies are inferred from the claim text.