Liquid crystal 3D optical waveguides based on photoalignment

Peter Ropač (Avtor), Yu-Tung Hsiao (Avtor), Brecht Berteloot (Avtor), Yera Ussembayev (Avtor), Inge Nys (Avtor), Miha Ravnik (Avtor), Kristiaan Neyts (Avtor)

Povzetek

A novel design and approach for the realization of liquid crystal optical waveguides using photopatterning as a manufacturing method is presented. The developed method is used to demonstrate straight waveguides of different widths and curved waveguides with different radius of curvature. The waveguides are terminated with +1 or −1 surface defects through which the light incouples/outcouples. The effect of the straight waveguide thickness and the radius of curvature of the curved waveguides on the attenuation of the light in the waveguide is experimentally explored. The experiments are supported with numerical simulations of light propagation through both types of waveguides and outcoupling out of the straight waveguides. Furthermore, the effect of the size of the −1 defect terminations on the outcoupling efficiency is explored using simulations. Based on the presented design and manufacturing approach, liquid crystal optical waveguides of various shapes can be realized accurately with low-cost.

Ključne besede

fizika mehke snovi;tekoči kristali;fotonika;fotostrukturiranje;optični valovodi;soft matter physics;liquid crystals;photonics;photopatterning;optical waveguides;

Podatki

Jezik:	Angleški jezik
Leto izida:	2025
Tipologija:	1.01 - Izvirni znanstveni članek
Organizacija:	UL FMF - Fakulteta za matematiko in fiziko
UDK:	535:538.9
COBISS:	214225411
ISSN:	2195-1071
Št. ogledov:	31
Št. prenosov:	4
Ocena:	0 (0 glasov)
Metapodatki:

Ostali podatki

Sekundarni jezik:	Slovenski jezik
Sekundarne ključne besede:	fizika mehke snovi;tekoči kristali;fotonika;fotostrukturiranje;optični valovodi;
Vrsta dela (COBISS):	Članek v reviji
Strani:	8 str.
Letnik:	ǂVol. ǂ13
Zvezek:	ǂiss. ǂ4, art. no. 2402174
Čas izdaje:	Feb. 2025
DOI:	10.1002/adom.202402174
ID:	25847398