Optical device for the observation of an elongated object

Details Optical device for the observation of an elongated object Optical device for the observation of an elongated object

1989-12-11

1992-06-23

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

359668, 359710, G02B 632

Patent

active

051250527

ABSTRACT:
For the observation of an elongated object or an elongated zone (12) of an object with a lens (20, 20', 54), in the vicinity of this object or zone (12), a cylindrical lens (23) is used whose axis (Ox) extends along the largest dimension of the object or the zone. In this way, the observation is performed with a large resolution on an extended field.

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IBM Technical Disclosure Bulletin, vol. 10, No. 11, Apr. 1968, p. 1750, New York, US: B. R. Brown et al.: "Magnetic recording and optical readout system".
Applied Optics, vol. 21, No. 6, Mar. 1982, pp. 999-1003, Optical Society of America, New York, US: D. T. Moore et al.: "Ray tracing in anamorphic gradient-index media".

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