Open AccessProgrammable Vanishing Multifunctional Optics
Author(s) -
Cai Xiaoqing,
Zhou Zhitao,
Tao Tiger H.
Publication year - 2019
Publication title -
advanced science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.388
H-Index - 100
ISSN - 2198-3844
DOI - 10.1002/advs.201801746
Subject(s) - silk , monochromatic color , biocompatible material , materials science , degradation (telecommunications) , nanotechnology , computer science , encryption , transient (computer programming) , optoelectronics , optics , physics , biomedical engineering , engineering , telecommunications , composite material , operating system
Physically transient optics, a form of optics that can physically disappear with precisely controlled degradation behaviors, has widespread applications including information security, drug release, and degradable implants. Here, a set of silk‐based programmable vanishing, biologically functional, multichromatic diffractive optical elements (MC‐DOEs) is reported. Silk proteins produced by silkworms and spiders are mechanically robust, biocompatible, biodegradable, and importantly, optically transparent, which open up new opportunities for a set of fully degradable transient optical devices with no need of metallic or semiconductor components. Compared with monochromatic DOEs, MC‐DOEs carry out richer information for more practical applications such as encryption and decryption of multilevel information, quantitative sensing/monitoring of chemical/biological cascade reactions, and effective treatment of infections caused by multiple pathogens.