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Range gated cameras technology and its applications Friday, October 10, 14 Range gated cameras can have several names * Time resolved cameras * Range gated cameras * Laser tomography * Grindad laserkamera / avbildning ( SV) All systems

  1. Range gated cameras technology and its applications Friday, October 10, 14

  2. Range gated cameras can have several names * Time resolved cameras * Range gated cameras * Laser tomography * Grindad laserkamera / avbildning ( SV) All systems have following main components * Laser source with very short pulses in nano sec and pico sec region * Image intensifier tube where the shutter can be controlled by nano sec or better in accuracy * CCD / C-Mos camera that see what the intensifier * Monitor with a screen to see Friday, October 10, 14

  3. Range gated technology and how it works The truck is hidden behind a masking net Range gating cuts the area into layers where it can view . Four bottom images shows the view at different distances. First the net at front Second the net and truck Third the car behind net Fourth behind the truck which makes truck as a black shadow Friday, October 10, 14

  4. FOI Tests in Sweden some years ago. Range up to 10 km Friday, October 10, 14

  5. Left side Foggy view over a lake by an intensified camera Right side Range gated view of same area Friday, October 10, 14

  6. Friday, October 10, 14

  7. Snow and fog removal Same view and same weather. Left image done by an ICCD camera Right image is range gated and snow is removed Friday, October 10, 14

  8. Negative and positive imaging All images can be detected in 2 ways Information can be 3D discriminated Friday, October 10, 14

  9. What range gated images looks like Range gated image Range gated image where over a sea and a boat the shore is cuted away and in the sea only the boat is viewed Same area and view with a passive image intensifier. Fog in air give disturbances. The car lamps on the opposite shore make larger problems. Friday, October 10, 14

  10. Gated views at a dark marina in Sweden Image where we illuminated the back ground and the man appears as a dark shaddow on a white background ( Negative ) Same place but the main is illuminated and back ground is dark. Man carry an optical unit in hand causing a cat eye reflex. Friday, October 10, 14

  11. Penetration of bad weather by range gating Looking through textile sequency showing the good penetration of Lynx cameras Friday, October 10, 14

  12. MiniLynx range gated viewer Hand held compact vision system Range 35 to 500 meter Monocular eye piece viewer Realistic price level MiniLynx hand held range gatedviewer / monocular system Friday, October 10, 14

  13. MiniLynx hand held range gated viewer MiniLynx hand held viewer Weight is 2,5 Kg and range is 500 meter. Replacing binoculars at night and admitts far better viewing than normal night vision devices and binoculars Friday, October 10, 14

  14. Sealynx range gated camera system Pan and tilt camera system Range 35 to 1500 meter Camera and PC output Sea Lynx range gated laser camera for surveillance and search and rescue Friday, October 10, 14

  15. Sea Lynx long range gated camera SeaLynx system with sensor and pan and tilt unit. Controller panel and monitor unit Camera unit is nitrogen filled and marine sealed. Controller have a PC interface for communication and controll. Recordings can be stored on HD Friday, October 10, 14

  16. NordLynx range gated vision system Driving camera for bad visibility applications Range 30-350 meter Camera monitor output NordLynx range gated laser camera for demanding operations in bad visibility Friday, October 10, 14

  17. SubSeaLynx under water camera system Sub sea camera with green laser light Range 3 to 100 meter in water Increased visible range 2 to 3 times compared to normal sub sea cameras Sub Sea Lynx range gated under water camera for large volume viewing in sub sea applications Friday, October 10, 14

  18. Sub sea Range gated camera system SubSeaLynx Range gated sub sea camera admitts a far better viewing in sub sea applications than normal cameras. 2-3 times longer sight depth is a dramatical increase in range Max operating depth is 100 meter. Lasers use green light and are strobed in the nanosec area. In ROV applications the performance saves lots of time Friday, October 10, 14

  19. Friday, October 10, 14

  20. Sub sea views by SubSeaLynx range gated camera Zoom by range gating see through the particle barrier is the most murky and turbide water These 3 images shows this in a very clear way Friday, October 10, 14

  21. Sub sea range gated cameras 2 systems under assembly 100 meter depth stainless Transmitter and steel encapsulation reciever modules Friday, October 10, 14

  22. 3D views by ladar and RG cameras Images with 3D information can be visualized in several ways Friday, October 10, 14

  23. Range gated retro reflex camera system Sniper detection by cat eye reflex Optical systems gives cat eye reflexes when illuminated Ranged gated systems can see them at long range at day and night Friday, October 10, 14

  24. Paparazzi detectors Range gated retro reflex detectors can automatic scan a large area and give alarm when someone is watching you. Range up to 1200 meter and geographic position of the intruder or unwanted guest. Fully automatic operation day and night Friday, October 10, 14

  25. The End We hope you found the presentation interesting Laseroptronix Sweden www.laseroptronix.se Friday, October 10, 14

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