Breakthrough in indigenous E/O sensor technology

Aheartening new indigenous development could take care of India’s over-dependence on foreign suppliers for critical electro-optical sensors for surface payloads. The DRDO’s Instruments Research and Development Establishment (IRDE) in Dehradun has developed a stabilised electro-optical sight (SEOS) with two-axis stabilisation and an integrated automatic video tracker facility. The indigenous SEOS has three electro-optical sensors, third-generation 3-5 μm (640 x 512 FPA) thermal imager (TI) with optical zoom, colour day TV with optical zoom camera and eye-safe laser range finder (ELRF). The day TV camera and TI sport a narrow field of view (NFOV) of 0.8° x 0.6° and wide field of view (WFOV) of 5° x 4° with additional 2 X electronic zoom in TI. These sensors provide a recognition range of seven km for a NATO type of target. ELRF provides range of the target from 200 metres to 9,995 metres with an accuracy of ± 5 metres. According to DRDO, “The modular approach of this sight results into a quick customisation for different applications namely fire control solution for armoured fighting vehicles, surveillance from high speed boats and low altitude aerostat, and tracking system for a QR-SAM.” The DRDO will be looking to integrate the new sight onto a slew of upcoming products.

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