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Kaman's KD-5100 measuring system

How does the system work? Four inductive sensors-one pair per axis-are mounted behind the mirror to detect its position throughout its range of motion (see Figure 1). Each sensor acts as one leg of a balanced bridge circuit; when the mirror pivots, the bridge becomes unbalanced. The sensors provide a bipolar output voltage proportional to the angular displacement of the mirror. Result: Mirror position is measured with extremely fine resolution. THE KAMAN ADVANTAGE

Why use the Kaman KD-5100 measuring system?

* noncontact. Using eddy current technology, the sensor can measure position without ever touching the target. The result is an extremely reliable system with no moving parts.

* high resolution. The mirror's position is measured with accuracy in the sub-microradian range, limited only by the sensor's fixturing.

* flexibility. Multiple sensor configurations are available to accommodate a variety of measuring ranges and other performance considerations, such as mirror size and displacement. * compact packaging. The KD-5100 is small (2.12x2.00x0.75 in.) and lightweight (2.5 oz.).

* versatility. The KD-5100 system can be used to position steering mirrors in applications ranging from communication satellites to night vision systems to laser optics.