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Ultra-Compact Laser Threat Warner

The Laser Science & Technology Centre {LASTEC) , Delhi, has Laser Threat Warner capable of giving warning when the user of the gadget is exposed to a laser raDIATion in the form of an audio beep as well as a visual indication. It is capable of detecting visible or near IR laser threats from existing and emerging battlefield pulsed solid-state lasers, such as laser range finders, laser designators and EOCM class of solid-state lasers {laser dazzlers, anti-sensor EOCM lasers, etc). An infantry soldier can use the laser warner to take an evasive action in the event of getting exposed to hazardous laser raDIATion. This is likely to be a battlefield scenario, with the deployment of EOCM class of laser systems in near future. The gadget, with slight modification, can be adapted to multiple sensor configurations, which gives it a broad direction sensing capability in the form of pre-defined sectors. One such application would be helmet-mounted multiple sensor system in which four laser sensors mounted on the helmet and spaced 90 apart would provide 360. battlefield coverage. The multiple sensor configuration would particularly suite armoured fighting vehicles, combat vehicles and other similar ground platforms used in a mechanized environment.

Laser threat warner, in the present form, has a wide field-of-view of greater than 60, which has been possible due to innovative front-end design. The gadget is capable of discriminating between threats from visible and near IR lasers. It is also capable of distinguishing between low PRF (such as those from tank range finders) and high PRF (such as those from laser designators) laser threats. It operates from a 9 V DC battery and can be configured to operate from 20 to 32 V DC, if desired. It is ultra-compact ( 115 mm x 80 mm x 25 mm), which has been possible due to employment of most optimum and best suited design methodology and use of state-of-the-art components. The laser threat warner is a total indigenous effort, both in design and implementation. All components used are easily available within the country .The gadget has been tested extensively in the laboratory for a simulated range up to 3 km and in the outdoor conditions within the laboratory ranges. The capabilities of the gadget have been demonstrated live to a large number of delegations from user services, including Director General (Perspective Planning) and SA to RM and Directors of labs/estts and DRDO HQrs during the recent DRDO Directors Conference.

Bheema-1000 Aircraft Weapon Loading Trolley

The Indian Air Force (IAF) has been using imported aero-loaders and MJ-3 aircraft weaponBheema-1000 trolley loading external fuel tank to the aircraft loading trolley. To meet the requirement
indigenously, Bheema-1000 has been designed and developed for carrying, positioning and loading a variety of armament stores and external fuel tanks on various classes of fighter aircraft. The trolley is self-propelled and  uses a Maruti 800 engine as prime mover with three separate hydraulic pumps for drive, actuation and steering. It is superior to imported MJ-3 used by IAF in terms of lift height and table longitudinal/lateral movement. It uses hydraulic drive that eliminates clutch and provides safe operation and inching movement in the vicinity of aircraft. Extensive field trials have been carried out on several fighter aircraft. Five trolleys supplied to IAF are in use at operational bases. During Aero India-2001 Airshow and Exposition held at Air Force Station, Yelahanka, Bangalore, during 7-11 February 2001, on request of the pilot of the Tornado Aircraft, the Bheema-1000 was used for attaching the external fuel tank onto the aircraft. The operation was smooth and successful and was appreciated by the Tornado pilot and his team. It is noteworthy that Bheema-1000  was used for the first time on a foreign fighter aircraft.