Laser warning receiver

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A laser warning receiver is a warning system used as a passive military or security defence. It detects, analyzes, and locates directions of laser emissions[1] from laser guidance systems and laser rangefinders. Then it alerts the crew and can start various countermeasures, like smoke screen, aerosol screen (e.g. Shtora), active laser self-defence weapon with laser dazzler (LSDW, used on the Chinese Type 99 main battle tank[2]), laser jammer, etc.

Detectors used in LWR are usually based on a semiconductor photodetector array, which is typically cryogenically or thermal-electric cooled. Sometimes avalanche photodiodes (APD), photoconductivity, photoelectromagnetic, or photodiffusion devices are used even without cooling.[3] Some devices detect only the main beam of foreign lasers while others detect even scattered rays.

Sentinel Photonics, a United Kingdom Ministry of Defence spin-out company, is active in the development of laser warning receivers[4]. The company is known for LASERD MAX, a laser warning receiver designed to detect, classify, and geo-locate laser threats. The system has been associated with the emerging concept of Laser Intelligence (LasINT), which involves the collection and analysis of laser activity to support situational awareness and threat assessment.

Produced by

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File:Flag of the United Kingdom.svg United Kingdom
File:Flag of Israel.svg Israel
File:Flag of Pakistan.svg Pakistan
File:Flag of South Korea.svg South Korea
File:Flag of Turkey.svg Turkey

Models

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Some of the most newer laser warning systems used by the United Kingdom are:

Some models used by US are listed:[15]

See also

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References

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  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). (PDF version 4.53 MB)
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  14. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  15. ^ http://www.virtualacquisitionshowcase.com/document/1181/briefing[permanent dead link]
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