In the present work, a study of absorption-fluorescence characterization of natural honey was presented, an optical tests were employed such as, absorbance and fluorescence spectrophotometer. An important parameter The area under the curve were calculated using GEUP program with other function, the results show that the natural pure honey can be used as an active laser medium.

تضمن البحث دراسة الخواص الطيفية لنموذج من العسل الطبيعي, كما أجريت بعض الفحوصات البصرية مثل فحص الأمتصاصية والفلورة. تم كذلك حساب المساحة تحت المنحني باستخدام برنامج ال GEUP بالاضافة الى بقية الحسابات والمتمثلة بزمن عمر الفلورة وحسابات المساحة تحت المنحني, إضافة إلى حساب النتاج الكمي للفلورة. أظهرت النتائج أمكانية أستخدام العسل الطبيعي النقي كوسط فعال لانتاج الليزر.

active medium --- spectroscopy --- natural honey

In this work, the effect of active medium temperature on output characteristics of a pulsed dye laser was studied. Two dyes, R6G and RB, were used as laser active medium. Under free-running operation, 35mJ maximum output energy and 100Ps pulse duration were obtained with presence of oxygen as a quencher. Results presented in this work showed that output characteristics such as laser pulse energy, emission linewidth, beam divergence and overall efficiency are reasonably affected by temperature. Optimum values of such features requires system to operate at temperature of 10°C which represents the optimum operating temperature. These results may benefit to determine the optimum operating temperature of a pulsed dye laser due to system design considerations.

Rhodamine dye laser --- Pulsed laser --- Active medium --- Free-running laser temperature --- Line Tuning