Optical: systems and elements – Lens – With support
Patent
1992-12-23
1993-12-14
Ben, Loha
Optical: systems and elements
Lens
With support
359641, 372 36, 385 33, G02B 702
Patent
active
052708691
ABSTRACT:
Apparatus for providing athermalized collimation of a light beam source by a light beam collimator includes beam source support for fixing the beam source at a predetermined position thereon and for thereby defining a light beam optical axis; collimator support for aligning the collimator at a beam collimator position on the optical axis; and thermal compensator operatively connected between the beam source support and the collimator support. The thermal compensator is operable to selectively displace the collimator along the optical axis and thereby displace the collimator. In a particular feature of the invention, the thermal compensator comprises a composite laminate construction of fiber strands, wherein the coefficient of thermal expansion .alpha. of the thermal compensator is determined by the alignment of the fiber strands.
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O'Brien Michael J.
Smith William B.
Ben Loha
Close Thomas H.
Dudley Mark Z.
Eastman Kodak Company
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