Measurement of Thermal Diffusivity, Optical Transmission and Optical Absorption Peaks of Laser Dyes R6G Doped in Poly (Methylmethacrylate) Using Photoacoustic Technique and Fibre Optics Spectrophotometer

• Main Authors: Chan, Kok Sheng, Mat Yunus, W. Mahmood, Wan Yunus, Wan Md Zin
• Format: Article
• Language: English; English
• Published: Universiti Putra Malaysia Press 2003
• Online Access: http://psasir.upm.edu.my/id/eprint/3788/1/Measurement_of_Thennal_Diffusivity%2C_Optical_Transmission_and.pdf; http://psasir.upm.edu.my/id/eprint/3788/
• Institution: Universiti Putra Malaysia

Using the photoacoustic (PA) spectroscopic technique, we report the thermal diffusivity measurement of the Rhodamine 6G (R6G) doped at different concentrations in solid matrix poly(methylmethacrylate) (PMMA). The value of the thermal diffusivity was found increasing with dye concentration due to...