UDC: 681.7.068

Maksudov B.I., Egamovb M.Kh., Rakhimova W. J.

REVIEWER: Abdulloev Kh.M.,

Doctor of Physical and Mathematical Sciences,

Professor

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THE EFFECT OF SURFACTANT CONCENTRATION ON CHANGES IN THE PLANE OF POLARIZATION OF LIGHT PASSING THROUGH THE LCD MEDIUM

The effect of surfactants in the form of cetyltrimethyl ammonium bromide (CTAB) in nematic liquid crystal cells of type 5CB have been studied by the polarization-optical method. The relationship between the concentrations of the introduced surfactant and the angle of rotation of the polarization plane is established. The clear boundaries of the linear and elliptical polarization of the light transmitted through the cell are indicated, depending on the concentration of surface-active substances (surfactants). Possible applications of such materials in semiconductor and solid-state laser technology and display technologies are proposed.

Keywords: surface-active substance (surfactant), liquid crystal, light transmission, orientation, optical anisotropy, polarization plane.

Information about the authors: Makhsudov Barot Islomovich – Tajik National University, doctor of Physical and Mathematical Sciences head of the nuclear physics, professor.  Address: 734025, Dushanbe, Republic of Tajikistan, Rudaki Avenue, 17. Phone: +992-907-74-33-83. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Egamov Mukhtor Khasanovich – Khujand Scientific Center of the National Academy of Sciences of the Republic of Tajikistan, Candidate of Physical and Mathematical Sciences. Address: 735730, Khujand,  Republic of  Tajikistan, Kosmonavtov st., 2-42.  Phone: (+992) 939-83-93-53.  E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..

Rahimova Umedakhon Juraboevna - Tajik state university of Law, Business and Policy, assistant of the information and communication technologies and programming department. Address: 735700, Khujand, Tajikistan, 19 micro district. Phone: (+992) 925-55-55-20. Е-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.. 

Article received 29.09.2023

Approved after review 04.12.2024

Accepted for publication 02.03.2024