"I put in a call to the lab. One of the team members answered and asked me to hold the line for a moment. Then I heard a voice [Mr. Balik], somewhat quivering in transmission, telling me that it was the laser light speaking to me." In 1966, Ali Javan and Theodore Maiman split a cash award presented to them by President Johnson honoring their work. In 1971, he became the director of Symposium on Laser Physics, which was held on the campus of University of Isfahan. Javan carried out the first demonstration of optical heterodyne beats with lasers in 1961. Another major experiment was his observation of the detuning dip called the Lamb dip while scanning the frequency of a single-mode laser across the Doppler-broadened gain profile. Ali Javan and his colleagues pioneered in stabilizing laser frequencies with techniques utilizing the Lamb dip. In 1964, Javan and Townes devised experiments using lasers to test special relativity including a variant of the Michelson-Morley ether drift experiment to study the anisotropy of space. Javan's group repeated the Michelson-Morley experiment with a new order of accuracy by turning their lasers in different directions with respect to the earth's motion. Any change in the velocity of light would show up as a change in the frequency of the output beam. The apparatus used was sensitive enough to detect a change as small as 0.03 millimeter per second (compared to the accuracy of 150 millimeters per second attained by Albert A. Michelson). At MIT in the early 1960s, Ali Javan started a research project aimed at extending microwave frequency-measuring techniques into the infrared. He introduced the concept of an optical antenna of several wavelengths long which enables the near-complete confinement of an incident optical field coupled to it, and forming the antenna in nanoscale. For the first time an antenna was used to receive light and to transmit it to an infinitesimal receiving structure at its tip, observable only with an electron microscope. The antenna responded to infrared laser light and generated current vibrating at the frequencies of the incident beams. According to John L. Hall, during the 1962 American Physical Society meeting, Javan played a recording of the actual audio beat frequency between two of his lasers when they were tuned almost to the same optical frequency. Using this method Javan developed the first absolutely accurate measurement of the speed of light. Javan