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

1992-03-02

1993-01-26

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

359668, 359710, G02B 632

Patent

active

051827816

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.

REFERENCES:
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patent: 3822932 (1974-07-01), Humphrey
patent: 4190322 (1980-02-01), Wortley
patent: 4203652 (1980-05-01), Hanada
patent: 4298271 (1981-11-01), Sugiura et al.
patent: 4318594 (1982-03-01), Hanada
patent: 4530574 (1985-07-01), Scifres et al.
patent: 4610515 (1986-09-01), Tanaka
patent: 4657352 (1987-04-01), Suda et al.
patent: 4900120 (1990-02-01), Caviglia et al.
patent: 5125052 (1992-06-01), Lehureau et al.

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