Break­through in in­dige­nous E/O sen­sor tech­nol­ogy

SP's MAI - - SP’S EXCLUSIVES BY SP’S SPECIAL CORRESPONDENT -

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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