Pentareflectors and their manufacture

Details Pentareflectors and their manufacture Pentareflectors and their manufacture

1980-09-17

1983-01-11

Evans, F. L.

350310, G02B 508

Patent

active

043679226

ABSTRACT:
Pentareflectors have optically flat reflecting plates joined to a base plate so that the reflecting surfaces are at 45.degree. to each other and at right angles to a common reference plane. In the disclosed pentareflector, high accuracy is realized at comparatively low cost through use of an additional unifying plate for holding each reflecting plate in precisely determined adjustment. Bonding material joins the parts together but distortion of the reflecting surfaces commonly caused by the bonding material is here avoided. An error-multiplying adjustment method promotes high accuracy.

REFERENCES:
patent: 1105895 (1914-08-01), Eppenstein
patent: 1869512 (1932-08-01), Schnabl
patent: 2400111 (1946-05-01), Gardner
patent: 2430551 (1947-11-01), Arnold et al.
patent: 2464141 (1949-03-01), Maier
patent: 3663084 (1972-05-01), Lipkins
Yoder, Jr., Applied Optics, vol. 10, No. 10, Oct. 1971, pp. 2231-2234.

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