IIT Guwahati Columbia University Developed an Optical Nanopatterning Process

Scientists from IIT Guwahati and Columbia University have developed an innovative and cost-effective optical nanopatterning process. This new method, led by Dr. Rishi Maiti, utilizes an IR laser to manipulate material properties at their resonance frequency without direct contact. This advancement overcomes the high cost and complexity of traditional techniques like electron beam lithography. The breakthrough, which creates nano-sized holes capable of trapping phonon-polaritons, holds significant promise for improving nanoscale gadgets such as solar cells, LEDs, and advanced light detectors.

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