Optical arrangement for transmitting high-intensity radiation

Details Optical arrangement for transmitting high-intensity radiation Optical arrangement for transmitting high-intensity radiation

1985-10-11

1987-10-20

Henry, Jon W.

Illumination

Supported by vehicle structure

Condition responsive

350167, 350174, 362245, 362294, G02B 700, G02B 2700, F21Q 700

Patent

active

047010231

ABSTRACT:
In sun simulators of the off-axis type, the angle at which the collimator mirror reflects the incident beam onto the test object causes a distortion error dependent on the radius of curvature of the collimator mirror. This error distorts the cross-section of the beam in the test plane. An optical arrangement is disclosed and includes an integrator assembly having a field lens array made up of a plurality of field lenses arranged one next to the other. The distortion is compensated for by providing that the periphery of each lens is elliptical with the axes ratio of the ellipse chosen in accordance with the magnitude of the previously computed error of distortion.

REFERENCES:
patent: 4306810 (1981-12-01), Maddox
patent: 4370021 (1983-01-01), Khoe et al.
patent: 4550979 (1985-11-01), Meier

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