The optical texture in the Nematic phase of bentcore--rod trimer mesogen under homeotropic surface anchoring conditions and with external electric field of 1.1 Vpp/mm @ 1MHz.

 

 

 

 

 

 

 

 

 

The rope-like texture of achiral CB7CB dimeric mesogen in the twist-bend nematic phase (Ntb), indicating a double degenerate helical structure.

 

 

 

 

 

 

 

 

 

Photos courtesy of G. Singh.