نوع مقاله : مقاله پژوهشی

نویسندگان

گروه فیزیک، نمایندگی انرژی اتمی در سوریه، دمشق، سوریه

چکیده

کارآیی جذب و تحول آبی ۱ پاشیده رنگ آلی (DB1) در دی‌اکسان بر حسب غلظت‌های مختلف بررسی شده‌اند. ضریب جذب غیرخطی با استفاده از روش روزنه روبش -Z اندازه‌گیری شد، که مقادیر آن با افزایش غلظت از 5-10 ×3/7 به 5-10 ×74/6 M، از 3-10× 0/997 به 3-10× 11/7 ‌cm افزایش یافت. همچنین مشخصات محدود شده توان اپتیکی DB1 در شدت‌های زیاد نور لیزر نمایان‌ شده، که در آن محلول‌ بسیار رقیقی از مرتبه ~10-4M برای محدود کردن توان انتقالی نور لیزر فرودی به میزان ~90%. کافی است

کلیدواژه‌ها

عنوان مقاله [English]

Optical Nonlinearity and Optical Limiting Performance of Disperse Blue 1/Dioxane via Z-Scan Technique

نویسندگان [English]

  • B J Abbas
  • M Alshikh Khalil

Physics Department, Atomic Energy Commission of Syria, Damascus, Syria

چکیده [English]

The absorption performance and evolution of the organic dye disperse blue 1 (DB1) in dioxane at different concentrations was investigated. The nonlinear absorption coefficient has been measured through the open aperture Z-scan technique, whose values increased exponentially from 0.997×10-3 to 11.7×10-3 cm/W as the dye concentration increased from 3.7×10-5 to 74.6×10-5 M. Also, DB1 optical power limiting characteristics appeared at high laser light intensities, whereby very dilute solution of the order of ~10-4 M was sufficient to limit the transmitted ‎power of the incident laser light by ~90%.

کلیدواژه‌ها [English]

  • Nonlinear Absorption
  • Disperse Blue 1
  • Z-Scan
  • Optical Limiting
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