Figure 2: The hidden code revealed by measuring the circular dichroism response of the barcode expressed as ellipticity in mdeg (IMAGE)

Diamond Light Source

Figure 2: The hidden code revealed by measuring the circular dichroism response of the barcode expressed as ellipticity in mdeg

Caption

 Figure 2: The hidden code revealed by measuring the circular dichroism response of the barcode expressed as ellipticity in mdeg. (a) Measured by SRCD imaging. (b) Recorded by a standalone reader. Blue—the circular dichroism (CD) response induced by right-circularly polarised light; red—the CD response induced by left-circularly polarised light; green—the CD response induced by linearly polarised light or that of the as-deposited amorphous film.  

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Applied Sciences/Diamond Light Source

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