Rina Wu, Yunhe Song, Jiaqi Lu, Rui Gao, Yeqiu Li, Qin Dai. Random laser radiation behavior of liquid crystal in photonic crystal fiber carrier[J]. Infrared and Laser Engineering, 2021, 50(4): 20200171
- Infrared and Laser Engineering
- Vol. 50, Issue 4, 20200171 (2021)
Fig. 1. Optical setup for probing laser emission spectrum
Fig. 2. Photographs of sample under a polarizing microscope. (a) Side face; (b) End face
Fig. 3. White light transmission spectrum of PCF. (a) Unfilled PCF with different detection angles θ ; (b) Unfilled PCF and liquid crystal mixture filled PCF,
; (c) Light field distribution in PCF
PCF白光透射谱。(a) 探测角度
不同时无填充的PCF样品；(b) 无填充与填充液晶混合物后的PCF样品，
；(c) PCF样品中光场分布
Fig. 4. Laser emission spectra on side face. (a) At different pump energies and; (b) Threshold characteristic curves; (c) At different detecting angles
Fig. 5. Laser emission spectra on end face at different temperatures
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