All-reflective boresight transfer optical system

Details All-reflective boresight transfer optical system All-reflective boresight transfer optical system

1990-08-06

1992-01-14

Turner, Samuel

Optics: measuring and testing

Angle measuring or angular axial alignment

With screen

250341, 356153, G01B 902

Patent

active

050804839

ABSTRACT:
The present optical system provides an all-reflective boresight transfer system. A reflective mechanism receives and reflects energy from an incoming collimated beam to focus it upon a target surface. The target surface absorbs and subsequently re-emits as a longer wavelength most of the energy and also reflects a small portion of the energy such that an exit beam comprised of both the re-emitted and reflected energy is reflected through the reflecting mechanism and re-collimated by the reflecting mechanism. The exit beam has the same direction as the input beam except that it is deviated by 180.degree. and laterally offset from the input beam so that the exit beam may be used as a reference for determining or aligning the line of sight of other optical systems.

REFERENCES:
patent: 3752587 (1973-08-01), Myers et al.
patent: 4139769 (1979-02-01), McCrum et al.
patent: 4260254 (1981-04-01), Braun

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