Multi-wavelength cholesteric liquid crystal laser

Chun-Ta Wang; Tsung-Hsien Lin

doi:10.1117/12.807888

3 February 2009 Multi-wavelength cholesteric liquid crystal laser

Chun-Ta Wang, Tsung-Hsien Lin

Proceedings Volume 7232, Emerging Liquid Crystal Technologies IV; 72320L (2009) https://doi.org/10.1117/12.807888
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Multi-wavelength lasing in a dye-doped cholesteric liquid crystal (CLC) cell is demonstrated. By adding oversaturated chiral dopant, the multi-photonic band CLC structure can be obtained with non-uniform chiral solubility. Under appropriate excitation, multi-wavelength lasing can be achieved with a multi-photonic band edge CLC structure. The number of lasings can be controlled under various temperature processes. Nine wavelength CLC lasings were observed simultaneously. The wavelength range covers around 600-675nm.

Citation Download Citation

Chun-Ta Wang and Tsung-Hsien Lin "Multi-wavelength cholesteric liquid crystal laser", Proc. SPIE 7232, Emerging Liquid Crystal Technologies IV, 72320L (3 February 2009); https://doi.org/10.1117/12.807888

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