Effect of Al concentration on optically pumped random lasing in Zn1−xAlxO (0 ≤ x ≤ 0.10) thin films fabricated via pulsed laser deposition technique

Gyan Prakash Bharti, Alika Khare

Optics & Laser Technology(2020)

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摘要
•Lasing modes in Zn1−xAlxO (0 ≤ x ≤ 0.10) thin films fabricated via PLD technique.•Nearly equidistant longitudinal lasing modes observed in the films.•The lasing modes attributed to RL, FP and WGM cavities in the films.•A maximum quality factor of 1004 achieved in x = 0.05 thin film sample.
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关键词
Random lasing,Quality factor,Zn1−xAlxO (0≤x≤0.10) thin film,Pulsed laser deposition
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