Research
Charlie Townes was the lead researcher in the construction of the Infrared Spatial Interferometer, the first astronomical interferometer to operate in the mid-infrared. He continues researching into astrophysics and astronomy at the University of California, Berkeley. With Arthur Leonard Schawlow, he wrote the book Microwave Spectroscopy, published in 1955.
During his time at Bell Labs Townes was asked to help with the development of a new radar system for aircraft in World War II. He never served in the military, but felt he was helping his country from within the lab. Townes and his team were successful in creating more accurate and precise radar systems, but none of them were ever mass produced by the military. Some of the new systems developed were used as prototypes in early B-52 bombers. After the war, Townes continued to work at Bell Labs, creating new radar by experimenting with different radio wavelengths.
Moving from Bell Labs in 1948, to the physics department of Columbia University allowed Townes to return to experimental physics and away from the applications of physics. At Columbia, his research was still partially funded by the US Navy’s desire for even smaller radar. At Bell Labs Townes helped develop a radar system with a 1.25 centimeter wavelength. After moving to Columbia, the military wanted radar systems with wavelengths only a few millimeters. The shortening of the wavelength led Townes and his colleagues to focus on microwave research. In 1951, the idea of the maser was proposed to Townes' superiors. After three years and many experiments, Townes and Jim Gordon created a working maser.
Read more about this topic: Charles Hard Townes
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