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포화 흡수체의 투과변조깊이 조절을 통한 다양한 펄스상태 조작 방법에 관한 전산 모사
진진화,염동일,김병윤 한국광학회 2017 한국광학회지 Vol.28 No.6
In this paper, we conduct a simulation of manipulating various pulsed laser operations through tuning the modulation depthof the saturable absorber in a laser cavity. The research, showing that various pulsed operations could be manipulated fromQ-switching through Q-switched mode locking to mode locking by tuning the modulation depth of the saturable absorber in acavity, has been studied by experimental means. We conduct a simulation with the Haus master equation to verify that theseexperimental results are consistent with expectations from theory. The time dependence of the gain was considered to expressQ-switching fluctuation through applying a rate equation with the Haus master equation. Laser operation was manipulated frommode locking through Q-switched mode locking to Q-switching as modulation depth was increased, and this result agreed wellwith the theoretical expectation.
이성교제 중인 대학생의 사이버섹스 중독, 외로움 및 이성관계 만족에 관한 연구
김윤정,박지야,변수영,이겨레,이아름,이지영,임재희,조혜림,진진화,최재의,박효정,이혜림 이화여자대학교 간호과학대학 2016 이화간호학회지 Vol.- No.50
Objectives: The purpose of the study was to identify the relationships between cybersex addition, loneliness and relationship satisfaction among Korean college students. Methods: 293 students were conveniently selected. The instruments used in this study were cyber-sexual addiction index, loneliness scale and relationship assesment scale. ANOVA, t-test and Pearson correlation coefficient with SPSS 22.0 Version were used to analyze the data. Results: 8.9% of the participants had moderate or severe addiction to cybersex. The level of cybersex addiction is significantly influenced by gender, period of relationship, time taking to sexual relations, contact number of cyber pornography and contact time of cyber pornography. Significant association was observed between cybersex addition, loneliness and relationship satisfaction. Conclusions: The factors mentioned in this study as well as loneliness and relationship satisfaction were important factors. Therefore, future studies on this topics need to develope interventions to reflect cultural and physical character of college students.