Polychromatic mutual alignment device for an aiming apparatus

Details Polychromatic mutual alignment device for an aiming apparatus Polychromatic mutual alignment device for an aiming apparatus

1987-06-29

1989-03-07

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

89 4105, 89 4106, 250342, 356143, 356148, 356153, G01B 1126, G01C 106

Patent

active

048110612

ABSTRACT:
A polychromatic mutual alignment device for an aiming apparatus includes an optical mixer having at least two holes each receiving light emitted in one of different spectral ranges for which boresighting is to be achieved and a plate which is transparent in a wave length range and reflective in another wave range for combining the two light beams into a common block output beam. A parabola mirror receives the output beam at an angle with respect to its axis. The mixer and the mirror being so located that all source-forming holes are at the focus of the mirror.

REFERENCES:
patent: 4349838 (1982-09-01), Daniel
patent: 4385834 (1983-05-01), Maxwell
patent: 4422758 (1983-12-01), Godfrey et al.
patent: 4464974 (1984-08-01), Goda et al.
patent: 4668088 (1987-05-01), Quinque et al.
Research Disclosure, No. 188, Dec. 1979, pp. 682-683, No. 18820, Vant., Hants, GB; "Beam-Combining Prism Element".
Radio Engineering and Electronic Physics, vol. 18, No. 7, Jul. 1973, pp. 1097-1100, Washington, U.S.; YU.I. Kolesov et al., "A Study of Beamsplitters for the Far IR".

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