Range gated cameras technology and its applications Friday, - - PowerPoint PPT Presentation

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 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

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

FOI Tests in Sweden some years ago. Range up to 10 km

Friday, October 10, 14

Left side Foggy view over a lake by an intensified camera Right side Range gated view

• f same area

Friday, October 10, 14

Friday, October 10, 14

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

Negative and positive imaging All images can be detected in 2 ways Information can be 3D discriminated

Friday, October 10, 14

What range gated images looks like Range gated image

• ver a sea and a boat

in the sea Range gated image where the shore is cuted away and

• nly the boat is viewed

Same area and view with a passive image intensifier. Fog in air give

• disturbances. The car lamps on the
• pposite shore make larger problems.

Friday, October 10, 14

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

Penetration of bad weather by range gating Looking through textile sequency showing the good penetration of Lynx cameras

Friday, October 10, 14

MiniLynx hand held range gatedviewer / monocular system

Hand held compact vision system Range 35 to 500 meter Monocular eye piece viewer Realistic price level

MiniLynx range gated viewer

Friday, October 10, 14

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

Sea Lynx range gated laser camera for surveillance and search and rescue

Pan and tilt camera system Range 35 to 1500 meter Camera and PC output

Sealynx range gated camera system

Friday, October 10, 14

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

NordLynx range gated laser camera for demanding operations in bad visibility

Driving camera for bad visibility applications Range 30-350 meter Camera monitor

• utput

NordLynx range gated vision system

Friday, October 10, 14

Sub Sea Lynx range gated under water camera for large volume viewing in sub sea applications

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

SubSeaLynx under water camera system

Friday, October 10, 14

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

• f time

Friday, October 10, 14

Friday, October 10, 14

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

Sub sea range gated cameras 2 systems under assembly Transmitter and reciever modules 100 meter depth stainless steel encapsulation

Friday, October 10, 14

3D views by ladar and RG cameras Images with 3D information can be visualized in several ways

Friday, October 10, 14

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

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

• f the intruder or

unwanted guest. Fully automatic

• peration day and

night

Friday, October 10, 14

The End

We hope you found the presentation interesting Laseroptronix Sweden www.laseroptronix.se

Friday, October 10, 14