Photochromic Materials for 3D Optical Memory

Fig. 1 Photochromic materials for 3D optical memory, a Absorption spectra of open-ring and closed-ring diarylethene derivative B1536. b Bit patterns written by femtosecond two-photon absorption and readout using a reflection confocal microscope. Refer to Fig. 60h for ring close-open reactions...

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