Dual mode optical and RF reflector
AssigneeRaytheon Company
InventorsJohn Okerson Crawford, David C. Cook, Patrick L. McCarthy
Life of this patent
Estimating the term…
Abstract
A dual-mode optical and RF reflector, and test system using the same. In one example the reflector is a mirror having a reflective surface including a first zone having a first surface precision, wherein a remainder of the reflective surface outside of the first zone has a second surface precision that is substantially lower than the first surface precision, the mirror being configured to collimate and reflect an RF signal from the reflective surface, and to collimate and reflect an optical signal from the first zone.
Claims16
A dual-mode optical and radio frequency (RF) reflector comprising:
- a mirror having a reflective surface including a first zone having a first surface precision, a remainder of the reflective surface outside of the first zone having a second surface precision that is substantially lower than the first surface precision,
- wherein the mirror is positioned to receive an RF signal and an optical signal, the RF signal and the optical signal having a common phase center, and wherein the mirror is configured to collimate and reflect the RF signal from the reflective surface and collimate and reflect the optical signal from the first zone as co-aligned plane wave signals with the common phase center.
A multi-mode alignment test system comprising:
- a test chamber;
- a multi-mode signal emitter configured to emit at least a radio frequency (RF) signal and an optical signal, the RF signal and the optical signal having a common phase center;
- and
- a dual-mode optical and RF reflector including a mirror having a reflective surface configured to collimate and reflect the RF signal into a test volume within the test chamber, the mirror including a zone within the reflective surface and corresponding to a portion of the reflective surface that is less than an entirety of the reflective surface, a remainder of the reflective surface outside of the zone having a surface precision that is lower than a surface precision of the zone, the zone being configured to collimate and reflect the optical signal into the test volume, wherein the reflective surface and the zone within the reflective surface are configured to collimate and reflect the RF signal and the optical signal as co-aligned plane wave signals with the common phase center.
Dependencies are inferred from the claim text.