IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

It has been reported that a double wedge plate interferometer and Michelson interferometers in tandem can be used to produce a cross pattern that can serve as an array of equal intensity light spots. In this paper we report on the holographic recording of this cross pattern. The phase hologram so produced serves as an array generator with some interesting characteristics. Theory and experimental results are presented. © 1995 Taylor and Francis Ltd.