کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7224904 | 1470571 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of gamma and neutron irradiation on structural and optical properties of ammonium dihydrogen phospate single crystals
ترجمه فارسی عنوان
اثر تابش گاما و نوترون بر خواص ساختاری و اپتیکی بلورهای فسفات دی هیدروژن آمونیوم
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
چکیده انگلیسی
The nonlinear optical single crystals of ammonium dihydrogen phosphate (ADP) were grown by slow evaporation solution growth technique at ambient temperature. The grown crystals were exposed to neutron beam of energy 4.44Â MeV and flux 2.2Â ÃÂ 107Â ncmâ2sâ1 irradiated for 3hr and 5hr and Co-60Â gamma radiation of doses 50Â kGy and 100Â kGy separately. The structural, optical, and nonlinear optical properties (second harmonic generation) of the crystals were investigated before and after irradiation. X-ray diffraction studies reveal that the compressive strains are generated in the irradiated crystals. The UV-visible spectra shows that the optical absorption increases with increase in radiation dose. The R.I of the crystal was found to decrease after neutron irradiation, whereas it increases with the increase in the gamma dose rate. Except at high dose rate, SHG efficiency of ADP is unaffected by either gamma or neutron irradiation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optik - Volume 156, March 2018, Pages 224-230
Journal: Optik - Volume 156, March 2018, Pages 224-230
نویسندگان
Pramoda Kumara Shetty, P.P. Vinaya, Raviraja Nakshatri, A.N. Prabhu,