G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/11 (2006.01) G02B 5/28 (2006.01)
Patent
CA 2048420
RADIATION/ULTRASOUND INTERACTION AS OPTICAL SHIELD WHICH OTECTS PHOTOSENSORS FROM LASER BEAM ATTACKS OR DURING NUCLEAR BLAST ABSTRACT OF THE DISCLOSURE An optical shield based on radiation/ultrasound interaction is disclosed. The apparatus utilizes an acoustically tuneable light filter, which also works as a shutter when lack of acoustic signal. The acoustically tuneable light filter manipulates band's selection to incident upon the mentioned photosensor. The optical shield based on radiation/ultrasound interaction prevents photosensors of target devices from overexposure to soft and hard radiation such as X-rays, alpha, betta, gamma or the like making the mentioned target device operational even though a high energy laser pulse attacks. The target device is protected to such a degree that it can be in operation during nuclear blast. It is so because the mentioned shield analyses the incident radiation, detects unsafe bands and after then it is only tunned to those bands detected as safe. The apparatus works as shutter too, so when lack of safe bands it shuts the radiation off the mentioned photosensor.
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