Agano, T., Kuniyil Ajith Singh, M., Nagaoka, R., & Awazu, K. (2018). Effect of light pulse width on frequency characteristics of photoacoustic signal – an experimental study using a pulse-width tunable LED-based photoacoustic imaging system. International Journal of Engineering & Technology, 7(4), 4300-4303. https://doi.org/10.14419/ijet.v7i4.19907