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이승탁,박영일,채창준 한국광학회 1998 한국광학회지 Vol.9 No.2
광섬유 격자의 투과 및 반사 특성을 이용하여 WDM 광원의 파장을 간단하면서도 효과적으로 안정화시키는 방법을 제시하였다. 우선 본 방법을 DFB-LD에 적용하여 바이어스 전류에 따른 파장 변화를 살펴보았을 때, 일정한 온도에서 나타나는 +0.011 nm/mA 파장 변화가 관측되지 않았다. 또한 EMLD에 적용하였을 때, 일정한 온도에서 RF변조시에 보인 약 0.08 nm파장 변화를 거의 찾아볼 수 없었다. We proposed a simple and yet effective way of wavelength stabilization for WDM transmission using a temperature compensated fiber grating. This scheme was successfully applied to both DFB LD and EMLD, locking them to their respective reference wavelengths notwithstanding temperature change and RF modulation.
Benztropine Mesylate가 Haloperidol 타액농도에 미치는 영향에 대한 연구
이승탁,사승언,양병환 大韓神經精神醫學會 1992 신경정신의학 Vol.31 No.3
Nineteen patients with schizophrenia by the DSM-III-R were administrated with only haloperidol in the first period. And the second period began after extrapyramidal symptoms developed, in this period they were administrated with haloperidol and benztropine concomittantly. At the third period, after withdrawal of benztropine, they were administrated with only haloperidol. For the purpose of evaluating the effect of benztropine mesylate on the haloperidol saliva level, the authors measured the haloperidol saliva level, the reduced haloperidol saliva level and the ratio of the reduced haloperidol saliva level/the haloperidol saliva level at the seperated administration period. The results are as follows : 1) Though the haloperidol saliva level of the single administration period of haloperidol was higher than that of other two periods, there was no statistically significant change. 2) The reduced haloperidol saliva level had no statistically significant change among three periods. 3) The reduced haloperidol saliva level/the haloperidol saliva level ratio had no statistically signifiant change among three periods. The authors concluded that the benztropine mesylate had no significant effect on the haloperidol saliva level in this study.