لینک پرداخت و دانلود *پایین مطلب*
فرمت فایل: .ppt (قابل ویرایش و آماده پرینت)
تعداد اسلاید : 6 اسلاید
متن نمونه :
Laser radiation versus “ordinary light”
In contrast to light from an ordinary light bulb, laser radiation is generally very
focused
.
High intensity
of radiation even for very low power rating of laser.
(A 50 Watt laser can be very dangerous while a 50 Watt light bulb is rather harmless).
When high intensities are absorbed in bi ...