A 532-nm continuous-wave laser “sculpted” microscopic patterns onto a flake of As2S3, including a monochromatic portrait of Albert Einstein (700-nm point spacing) and a QR-code-like
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A 532-nm continuous-wave laser “sculpted” microscopic patterns onto a flake of As2S3, including a monochromatic portrait of Albert Einstein (700-nm point spacing) and a QR-code-like
Read more