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研究了光漂白过程对PMMA／DR1聚合物薄膜非线性吸收的影响，实验结果表明经过光漂白后其双光子吸收系数减小。
The effect of photobleaching on the nonlinear absorption of PMMA / DR1 polymer films was investigated. The experimental results show that the two-photon absorption coefficient decreases after photobleaching.