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Ramin Jamali

Postdoctoral researcher

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About

I hold a Ph.D. in Optics and Photonics from the Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran. My research focuses on advanced imaging systems, 3D microscopy, and high-precision detection techniques, with a strong emphasis on speckle tweezers (ST) for the manipulation of micro-particles with various refractive indices, probing colloidal interactions, and studying complex microscale dynamics.

Throughout my Ph.D., I worked extensively on polarization-controlled speckle fields, non-diffraction speckle traps, and optical trapping applications for understanding depletion forces, particle–surface interactions, and bacterial motility. The results of my research on ST have been published in Nanophotonics, and Optics Express, highlighting both experimental and theoretical advancements in the field. I have hands-on experience in structured-light generation, optical manipulation, microfluidic force measurements, Interferometry, digital holography microscopy, and the culture and control of microorganisms. These skills allow me to combine optical engineering with computational imaging to investigate mechanobiological interactions in complex systems. My scientific interests span the highly dynamic world at the micron scale—from the Brownian motion of colloidal particles to the active swimming of bacteria. These skills provide a strong foundation for applying state-of-the-art optical and microscopy techniques to investigate mechanobiological interactions in complex systems.

Basic Information
Email:
raminjamali [AT] iasbs.ac.ir (Academic)
raminjamali [AT] outlook.com
raminjamali.a [AT] gmail.com
Tel:
(+98) 24-3315-2181 (Lab)
(+98) 24-3315-2002 (Office)
Address:
Department of Physics, Institute for Advanced Studies in Basic Sciences PO Box 45195-1159, Zanjan, Iran

Room 002, Department of Physics, Institute for Advanced Studies in Basic Sciences PO Box 45195-1159, Zanjan, Iran
Language:
English
Persian
Azeri
Research Interests

Speckle Tweezers

3D Imaging

Microscopies

Depletion Forces in Colloidal Systems

Optical Manipulation

Education
2021 - 2025
Phd. in Physics, Especially in Optics

Institute for Advanced Studies in Basic Sciences (IASBS). Zanjan, Iran.
1st rank, GPA: 19.51/20.00
Thesis: "Polarization Speckle Tweezers and Speckle Trapping at Fluid-Fluid Interfaces"

2018 - 2021
M.Sc. in Physics

Institute for Advanced Studies in Basic Sciences (IASBS). Zanjan, Iran.
1st rank, GPA: 18.33/20.00
Thesis: "Investigation and controlling of colloidal mixture by speckle tweezers"

2014 - 2018
B.Sc. in Physics

University of Zanjan. Zanjan, Iran.
1st rank, GPA: 17.87/20.00
Thesis: "Calculation of rotational inertia of gyroscope and measurement of force vector by precession"

Experiences and Skills
MATLAB
90%
LATEX
90%
3D Max
80%
Pspice
75%
C++
50%
Python
50%
Work Experience and Activities

January 2018 - July 2025

IASBS
Teaching Assistant

Teaching assistant of electronics laboratory, electronics, modern physics laboratory, optics and photonics I, and optics and photonics II courses during Master's and Ph.D.

April 2014 - March 2016

University of Zanjan
Teaching Assistant

Teaching assistant of electronics laboratory, electromagnetics, electronics, optics and laser, and physics II (electromagnetics) courses during Bachelor's.

May 2022 - Present

IASBS and FPOR (knowledge base company)
Researcher and Scientist

Worked as a researcher in these projects:

  • Metamaterial assisted illumination nanoscopy via random super-resolution speckles
  • Phase separation detection of binary mixture of by speckle pattern analysis
  • Design and manufacture of wireless endoscope

Talks and Attendances

Nov 2025

University of Zanjan, Zanjan, Iran
Speckle tweezers

Physics Group Seminars, University of Zanjan, Zanjan, Iran

Feb 2024

IASBS, Zanjan, Iran
Speckle tweezers at fluid-fluid interfaces

Optics Group Seminars, IASBS, Zanjan, Iran

May 2023

Yerevan, Armenia
Speckle tweezers

NanoQIQO School on Optics and Photonics (SOP) 2023

June 2021

IASBS, Zanjan, Iran
Investigation and controlling of colloidal mixture by speckle tweezers

Optics Group Seminars, IASBS, Zanjan, Iran

June 2017

University of Zanjan
Designing and construction of a LED sun-photometer

December 2016

University of Zanjan
Calculation of rotational inertia of gyroscope and measurement of force vector by precession
Publications
Publications - Journals:
Publications-Proceedings-International & National:

  • Dynamic speckle pattern analysis of pitting corrosion

    V. Abbasian, R. Jamali, V. Farzam Rad, A. R. Moradi, and A. Darafsheh

    Photonic Instrumentation Engineering XI 12893 (SPIE), 238- 241 , 11 March
    2024

  • Measurement of corrosion in power plant turbine rotors by digital holographic microscopy

    R. Jamali, B. Olamaei, M. Soltanloo, S. E. H. Yeganeh, V. Farzam Rad, J. Esmkhani, and A.R. Moradi

    Imaging Congress (OPTICA), hybrid , 14 - 17 August
    2023

  • Mesoporous material sorting in random energy landscapes

    M. H. Sadri, R. Jamali, F. Rehman, and A.R. Moradi

    11th International Symposium on Optics and its Applications OPTICS11, 89, July 2023
    2023
  • Mesoporous silica sorting by speckle tweezers

    M. H. Sadri, R. Jamali, F. Rehman, and A. R. Moradi

    Proc. 29th Iranian Conference on Optics and Photonics and 15th Iranian Conference on Engineering Photonic (ICOP23), February
    2023
  • Controlling spatial distribution of speckle fields for multi-manipulation of colloids

    E. Nasimdoust, R. Jamali, F. Amarloo, S. K. P. Velu, and A. R. Moradi

    Optical Trapping and Optical Micromanipulation XIX, 21 - 24 August
    2022
  • Simultaneous manipulation of low and high refractive index micro-particles by speckle tweezers

    R. Jamali, F. Nazari, A. Ghaffari, S. K. P. Velu, and A. R. Moradi

    PSL Summer School on Soft and Living matter, July
    2021
  • Collective manipulation of low and high refractive index micro-particles by speckle tweezers

    R. Jamali, F. Nazari, A. Ghaffari, S. K. P. Velu, and A. R. Moradi

    Novel nanomaterials for innovative reaserch ICNNIR, April
    2021
  • Experimental study of liposome aggregation

    R. Jamali, and A. R. Moradi

    Proc. 26th Annual IASBS Meeting on Condensed Matter Physics, July
    2021
  • Investigating the time evolution of color distribution in a variety of surfaces

    R. JamaliT. Ohadi, and A. R. Moradi

    Proc. 26th Annual IASBS Meeting on Condensed Matter Physics, July
    2021
  • Building one channel sun-photometer using light emitting diode

    M. Karimi, R. Jamali, A. Bayat, Y. Abedini, Y. Ghaniun

    Proc. 26th Iranian Conference on Optics and Photonics and 12th Iranian Conference on Engineering Photonic (ICOP19), February
    2020
  • Time evolution of size distribution for oil droplets on water

    R. Jamali, and S.Mollaei

    Proc. 25th Annual IASBS Meeting on Condensed Matter Physics and School on Topological Phases of Matter, June
    2019
  • Calculation of rotational inertia of gyroscope and measurement of force vector by precession

    A. Bayat, R. Jamali, and S. Mollaei

    Proc. 17th Zanjan Education Research Journal, July
    2018
  • Investigation of self-assembly of aluminium flakes on water surface

    S. Mollaei, R. Jamali, and A. H. Daroneh

    Proc. 24th Annual IASBS Meeting on Condensed Matter Physics and School on Topological Phases of Matter, June
    2018
Gallery
Videos from Researches
Trapping of polystyrene micro-particle (Optical tweezers)
Trapping and rotation of polystyrene micro-particles with engineering beam (Laguerre-Gaussian beam)
Time evolution of SKZA and SKZC bio-polymers after their contact with excess water (Hologram)
The recorded holograms of sedimenting micro-particles
Behavior of low and high refractive index particles in the speckle fields
Brownian motion of micro-particles in two areas with different average intensities (Intensity effects in speckle field)
Speckle field effect on the micro-particles in a quiescent fluid
Flow of micro-particles in speckle fields of different average intensities
Flow of micro-particles in speckle fields of different average intensities
Trajectories of four Brownian micro-particles in low-intensity speckle field
Trajectories of four Brownian micro-particles in high-intensity speckle field
Bright field video microscopy of bacterial suspension
Bright field video microscopy of bacterial suspension under low-intensity speckle field exposure
Bright field video microscopy of bacterial suspension under high-intensity speckle field exposure
Speckle pattern evolution of a bacterial suspension under low-intensity speckle field exposure
Speckle pattern evolution of a bacterial suspension under high-intensity speckle field exposure
Contact Me
Feel free to contact me

Address

Department of Physics, Institute for Advanced Studies in Basic Sciences, PO Box 45195-1159, Zanjan, Iran

Room 002, Department of Physics, Institute for Advanced Studies in Basic Sciences PO Box 45195-1159, Zanjan, Iran

Email

raminjamali [AT] iasbs.ac.ir

raminjamali [AT] outlook.com

raminjamali.a [AT] gmail.com