May 24 – 25, 2021
Faculty of Science, Prince of Songkla University
Asia/Bangkok timezone

Measuring refractive index gradient of sugar solution

Not scheduled
15m
Faculty of Science, Prince of Songkla University

Faculty of Science, Prince of Songkla University

Oral

Speakers

Pattarapon Tanalikhit (Korea Advanced Institute of Science and Technology) Thanabodi Worakitthamrong (King Mongkut's University of Technology Thonburi) Nattanon Chaidet (king mongkut's university of technology thonburi)

Description

To measure the refractive index at a particular altitude of a solution with a vertical refractive index gradient, the transparent wedge-shaped container was constructed altogether with the development of mathematical formula derived from Snell's law. The refractive index of the solution can be calculated by measuring the angles of incoming and outgoing laser beams relative to the respective normal line. By varying the height of the laser beam, the refractive index as a function of height of the sugar solution was obtained. This technique is applied to investigate Fata Morgana which is a kind of superior mirage resulting from the bending of light in a medium with a density gradient.

Primary authors

Pattarapon Tanalikhit (Korea Advanced Institute of Science and Technology) Thanabodi Worakitthamrong (King Mongkut's University of Technology Thonburi) Nattanon Chaidet (king mongkut's university of technology thonburi)

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Paper