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热光双稳态的临界入射功率与临界温升
Threshold Switching Power and Critical Temperature Rise of Thermo-optical Bistability
【摘要】 本文考虑到F—P腔夹层介质和后反射镜均具有一定的吸收时,推导出产生热致色散光学双稳态的临界入射光功率P_c和临界温升△T_c的数学解析表达式。理论计算的 △T_c值与实验值非常符合。为了得到最佳光学双稳态回线和避免腔内的纵向温度梯度,夹层介质和后反射镜应具有一定的匹配吸收。
【Abstract】 Considering the absorption of sandwich layer and the back mirror in F--Pcavity, the analytical expressions for the threshold switching power P_c andcritical temperature rise △Tc to reach thermo--optical bistability have been de-rived in this paper.The theoretical value of △Tc was quite in agreement withthat of experiment.It is proposed that the absorption of sandwich layer and thatof back mirror in F--P cavity must be matched for getting optimal bistable loopand avoiding longitudinal temperature grade in intracavity.
【关键词】 后反射镜的吸收;
热光双稳态;
F-P腔;
临界开关功率;
临界温升;
【Key words】 absorption of the back mirror; thermo--optical bistability; F--P cavity; threshold switching power; critical temperature rise;
【Key words】 absorption of the back mirror; thermo--optical bistability; F--P cavity; threshold switching power; critical temperature rise;
【基金】 福建省自然科学基金
- 【文献出处】 量子电子学 ,Chinese Journal of Quantum Electronics , 编辑部邮箱 ,1993年01期
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