ATTENUATION COEFFICIENT OF LASER BEAMS IN DIFFERENT TYPES OF WATER

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IZADI D.; HAJ ESMAEIL BEYGI F.; MOROVATI HOSSEIN

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2005 | Volume:- | Issue:26 Page(s): 24-34

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Title

ATTENUATION COEFFICIENT OF LASER BEAMS IN DIFFERENT TYPES OF WATER

Author(s)

IZADI D. | HAJ ESMAEIL BEYGI F. | MOROVATI HOSSEIN | Issue Writer Certificate

Keywords

LASERQ4

PROPAGATIONQ4

ATTENUATION COEFFICIENTQ4

WATERQ2

Abstract

The study of light PROPAGATION in seawater has improved in recent years. Among the newest methods is LASER Remote Sensing that gives us data from different sea layers in a fraction of a second with no disturbance in the environment. In order to study the LASER PROPAGATION in seawater, a series of experiments were performed by the second harmonic of Nd: YAG LASER in the solid-state LASER laboratory at the Atomic Energy Organization of Iran. Using a mirror on the bed of a channel, we measured the reflected pulses by an energy-meter in different types of WATER (distilled WATER, drinking WATER, and a sample of WATER from the Oman Sea (60', 30" E and25', 14" N) from a depth of 6 meters in Chabahar Bay). Diagrams show that PROPAGATION of the LASER light in WATER is nonlinear in different depths and intensities, and that it penetrates to a certain depth in constant intensity. As expected, higher radiant intensities had higher reflected intensity but a lower ATTENUATION COEFFICIENT except in some points (contrary to the Beer's law). The ATTENUATION COEFFICIENT is bigger for the sample of the Oman Sea than the distilled WATER (in constant radiant intensity and angle) of which one of the reasons can be the dissolved material, determined by their salinity. So we can get information about the different types of WATER at different depths doing in situ experiments in a short time.

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APA: Copy

IZADI, D., HAJ ESMAEIL BEYGI, F., & MOROVATI, HOSSEIN. (2005). ATTENUATION COEFFICIENT OF LASER BEAMS IN DIFFERENT TYPES OF WATER. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, -(26), 24-34. SID. https://sid.ir/paper/87339/en

Vancouver: Copy

IZADI D., HAJ ESMAEIL BEYGI F., MOROVATI HOSSEIN. ATTENUATION COEFFICIENT OF LASER BEAMS IN DIFFERENT TYPES OF WATER. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2005;-(26):24-34. Available from: https://sid.ir/paper/87339/en

IEEE: Copy

D. IZADI, F. HAJ ESMAEIL BEYGI, and HOSSEIN MOROVATI, “ATTENUATION COEFFICIENT OF LASER BEAMS IN DIFFERENT TYPES OF WATER,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. -, no. 26, pp. 24–34, 2005, [Online]. Available: https://sid.ir/paper/87339/en

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