New ultrathin lens focuses light into an optical needle

New ultrathin lens focuses light into an optical needle. Researchers have created a special flat lens that shapes light into an optical needle—a thin beam that stays tightly focused over a long distance.

A apuração publicada por phys.org vira base para uma leitura editorial direta e contextualizada.

Trechos de apoio da pauta: Researchers have created a special flat lens that shapes light into an optical needle—a thin beam that stays tightly focused over a long distance. Combining this lens, which is about 7 microns thick, with optical coherence tomography (OCT) could allow imaging that reaches deeper into tissue while maintaining a sharp focus.

• Ponto de atenção: ultrathin.
• Ponto de atenção: lens.
• Ponto de atenção: focuses.

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