A new method to fabricate optical devices with precise specifications has been developed by researchers at the Institute of Photonic Sciences (ICFO). The team has developed a method that allows for the fabrication of optical devices with far greater precision than the current state-of-the-art. This new method could drastically reduce the cost and time needed to create high-precision devices, making them more accessible for researchers and industry. The method uses a combination of optical lithography and 3D printing to achieve the desired level of precision. With this method, researchers can fabricate optical devices with a precision of 1 nm, which is the current resolution limit of optical lithography. Furthermore, the method allows for the fabrication of multiple devices simultaneously, thus further reducing the cost and time required for fabrication. This new method could revolutionize the fabrication of optical devices, making them more accessible and cost-effective.

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source: Phys.org