Laboratory for Electro-Optics Systems

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Laboratory for Electro-Optics Systems is a research lab belonging to Indian Space Research Organisation. It involves in design and development of optics and sensor modules that can be deployed either onboard satellite or with the launch vehicle.


Established in 1993, Laboratory for Electro-Optics Systems was established at the same place where the first Indian satellite Aryabhatta was fabricated in 1975, namely Banglore. The laboratory has developed sensors for tracking Earth and Stars for the satellites which were launched when the space research was ushering in India. Satellites like Aryabata, Bhaskara, Apple, IRS, SROSS and INSAT-2 have been equipped with the sensors developed by this laboratory.[1] The lab has also participated in the India's first moon mission Chandrayaan-1.[2]


LEOS has developed wide range of tracking and optics systems for satellites and launch vehicles. It includes:

  • Reflective and refractive optics for remote sensing and meteorological payloads
  • Optics for Lunar Laser Ranging Instrument (LLRI)
  • Optical masks for sun sensors and
  • Optical filters and encoders[3]

Future developments

LEOS is actively involved in the devices and instrumental that will help in several applications. Some of the devices under development are pixel sensor star tracker, Charge Coupled Device (CCD) based star tracker, Fiber Optics Gyro, Optical inter satellite link, high resolution camera optics, optical coatings and MEMS devices (magnetometer, accelerometer).


  1. "Laboratory for Electro-Optic Systems (LEOS) (India), Space industry - Major sub-contractors". 2006-10-16. Retrieved 2012-02-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. "The Chandrayaan Team". Zee News. Retrieved 2013-02-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. "Laboratory for Electro Optics Systems (LEOS)". Retrieved 2012-02-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links