MUMBAI, India, June 16 -- Intellectual Property India has published a patent application (202611055128 A) filed by Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, on April 30, for 'standoff imaging system and method for absolute distance measurement using self-mixing optical feedback interferometry.'

Inventor(s) include Dr. Vibhor Kumar Bhardwaj; Amita Thakur; Prof. Rakesh Kumar Dwivedi; and Prof. Surita Maini.

The application for the patent was published on June 5, under issue no. 23/2026.

According to the abstract released by the Intellectual Property India: "The invention relates to a standoff imaging system based on absolute distance measurement using self-mixing optical feedback interferometry (SM- OFI). It comprises a di...