Fig. 7: Construction of interlocked microcrystals and their optical performance.
From: Mechanically controlled multifaceted dynamic transformations in twisted organic crystal waveguides

a Confocal optical images displaying micromanipulation of two twisted microcrystals (crystals 1 and 2) to create an axially interlocked crystal. The scale bars are 20 μm. b Color-coded FESEM image of axially connected twisted microcrystal. The white dashed box shows the interlocking region. c FL image of interlocked crystal on exposure to a UV torch light. The scale bar is 20 μm. d FL image of interlocked microcrystals excited at terminal P1 and P2 and the FL spectra recorded at P2 and P1 (red dotted circle). The scale bars are 20 μm. e FL spectral intensity recorded at terminal P2 for the input given at terminal P1 by changing polarizer angle (−90° to +90°) for the interlocked crystal and vice versa.