Dove prism for convergent light paths

Details Dove prism for convergent light paths Dove prism for convergent light paths

1982-07-22

1985-04-30

Corbin, John K.

350168, 350286, G02B 504, G02B 1700

Patent

active

045140502

ABSTRACT:
An apparatus for correcting aberrations in prisms in convergent light paths. The prism has a transparent entrance and exit face which are connected by a hypotenuse surface. The effect of adding a wedge-shaped addition is made on one of the entrance or exit faces to create a compensating dispersive spectrum to compensate for lateral chromatic aberration. The hypotenuse surface is formed as a spherically convex surface to produce a compensating astigmatic aberration to compensate for the astigmatic aberration caused by the entrance and exit faces of the prism.

REFERENCES:
patent: 1525657 (1925-02-01), Roach
patent: 1668015 (1928-05-01), Harris
patent: 2983183 (1961-05-01), Pickering
patent: 3001448 (1961-09-01), Day

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