(Ahmad Darudi) Personal data Permanent Address Education

Personal data
Name: Ahmad
Surname: Darudi
Place of birth: Neyshaboor, Iran
Date of Birth : 16/03/1970
Nationality : Iranian
Gender : Male
Marital status: Married
Permanent Address
First) Assistant Professor,
Department of physics, Zanjan University,
P.O.Box 45195-313, Zanjan, Iran.
Tel : +98-241-515 2355
Fax : +98-241-528 3203
http://www.znu.ac.ir/members/darudi_ahmad.html
E-mail: darudi@iasbs.ac.ir
CURRICULUM VITAE
(Ahmad Darudi)
Second) Institute for Advanced Studies in Basic Sciences (IASBS),
P.O.Box: 45195-1159, Zanjan, Iran.
Tel: +98-241-4252065
Fax: +98-241-4249023
http://www.iasbs.ac.ir/physics/optics/
Education
1) Ph.D.
Title : “Interferometry without reference wave“, Institute for Advanced Studies in Basic
Sciences(IASBS), February, 2001 .
Supervisor : Prof. M. Taghi Tavassoly
Subject-class : Interferometry, Optical testing, measurement the lens aberrations, wavefront
sensing.
2) Master of Science :
Title : “Reconstruction of Interfering Waves from Three Dimensional Analysis of
their Interference Patterns “, Institute for Advanced Studies in Basic Sciences(IASBS),
February, 1996.
Supervisor : Prof. M. Taghi Tavassoly
Subject-class : Interferometry.
3) Bachelor of Science:
Ferdosy University, Mashhad, Iran
February 1993.

Personal Profile
-Assistant Professor and Lecturer, Department of physics, Zanjan University, Feb.
2001 to present.
-Head of Optics Laboratories of Zanjan University, Feb. 2001 to present.
-Director of central library of Zanjan university, Feb. 2002 to 2006.
-Associate Researcher and Lecturer of the Department of Physics,
Institute for Advanced Studies in Basic Sciences (IASBS), Feb. 2001 to present.
-Member of Optical society of America (OSA)
-Member of International Society for Optical Engineering (SPIE)
-Member of Physical society of Iran
-Member of Optics and photonic society of Iran
Teaching:
Optics Laboratory (For B.S.)
Advanced Optics I (For M.Sc.)
Advanced Optics II (For M.Sc.)
Advanced Optics Laboratory (For M.Sc)
Applied Optic
(For B.S.)
Applied Optic Laboratory (For B.S.)
Optic
(For B.S.)
Electromagnetism I (For B.S.)
Electromagnetism II (For B.S.)
Adaptive Optics (priciple and applications) (For Ph.D)
Fourier Optics
(For M.Sc.)

Supervising M.Sc. Thesis
Name Title Status
1 Masoud Mardani Fring analyzing with three dimensional
analyzing the interference pattern and iterative
Graduated
2002
phase propagation method
2 Shareh Tavaddod Tip-Tilt Adaptive optics Graduated
2003
3 Solmaz Askari Low coherent interferometry Graduated
2003
4 Zahra Zarei Aberrations measurement by point spread
function
Graduated
2004
5 Hamid Salvdari Determination the Refractive index profile of
optical wave guide
Graduated
2004
6 Ramin Shomali Determination the phase distribution using phase
and intensity equation
Graduated
2005
7 B. Rozbeh optical measurement of distance using
geometrical and interferometeric methods
Graduated
2005
8 S. A. Hosseini Point diffraction interferometery Graduated
2006
9 Yashar Khodaei Determining ion exchanged waveguide’s
refractive index proifle
Graduated
2006
10 Ehsan A. Ahlaghi Spectroscopic Determination of Refractive index
Profile
Graduated
2006
11 Leila Rafezi Study of the Seeing Parameter and its Relation
with the Meteorological Data for Qom Site
Graduated
2006
12 Akram Yaghooti Study of the Seeing Parameter and its Relation
with the Meteorological Data for Kashan Site
Graduated
2006
13 Soghra Osanloo Surface Testing Using Fresnel Diffraction Graduated
2006
14 Hamid Bohlouli
Sardroudi
Application of Lioyd’s Interferometer Graduated
2007
15 Mohsen Dashti Measurement of the Lens Parameters using Low
Coherence interferometry
Graduated
2007
16 M. Hojjati Parast Reconstruction of two unknown wave using
Transport of Intensity Equation
Graduated
2007
17 Azadeh Ghanbari Theoretical and Experimantal Investigation of
Sunlight Transportation
Graduated
2008
18 A. A. Sharghi Started
19 Soleimani Started
20 Rezvani Started
21 Yahyavi Started
22

Supervising Ph.D. Thesis
Name Title Status
1 E. A. Akhlaghi No localized fringes Started
2 R. Shomali Site Selection Started
3 Amiri
Research Projects:
I- Using dichromated amunium gelatin (DCG) as a sensitive medium in
II-
III-
holography, (1997-1998) supported by IASBS.
Refractive index profile measurement of planar wave guide with wedge
method, (2002-2003) supported Iran Telecommunication Research Center.
Establishment an Optical Shop Testing laboratory, (2001-2002), supported by
IASBS.
IV- New fringe analyzing method base on the 3D fringe analysis, (2001-2002)
supported by Zanjan university.
V- Measurement of fiber perform parameters,(2001-2005),supported by Iran
Telecommunication Research Center.
VI-
VII-
Making a differential image motion monitor (DIMM), supported by Iranian
National Observatory (INO) and IASBS (2004).
Site selection of Iranian national observatory, supported by Iranian National
Observatory (INO) (2004-2008).
VIII- Making an interferometer equipment for micro lens testing, Supported by
optical industries (2001-2003)
Patent
An interferometer for micro lens testing, 2008 (Iranian Patent office).

Journal Publications:
1) Reconstruction of Interfering Wave-Fronts by Analyzing their Interference Pattern in
Three Dimensions
M. Taghi Tavassoly and Ahmad Darudi
Optics Communications 175, 2000, 43–50
2) Interferometric Specification of Lens Parameters
Ahmad Darudi and M. Taghi Tavassoly
Optics and Lasers in Engineering 35, 2001, 79-90
3) Designing and Making a Differential Image Motion Monitor,
A. Darudi , Sadollah Nasiri
Iranian Journal of Physics Research, V.5, N.3 (2005)1-8.
4) Determination of the refractive index profile of a symmetric fiber preform by the
transport of intensity equation
Ahmad Darudi, R. Shomalia, M.T. Tavassoly,
Optics & Laser Technology 40 (2008) 850–853
5) An interferometric method for refractive index profiling of planar gradient index
waveguides
Ahmad Darudi, S. M. R. Sadat Hosseini
Optics and Lasers in Engineering 47 (2009) 133-138
6) Optical Diffractometry,
M. T. Tavassoly, M. Amiri, A. Darudi, R. Alipour, Ahad Saber, A. R. Moradi
Accepted: JOSA A, 2009.
7)
International Conference Proceedings:
1) Reconstruction of Interfering Wave-Fronts by Processing their Interference Patterns in
Three Dimensions
M. Taghi Tavassoly and Ahmad Darudi
1996 International Workshop on Interferometry (IWI'96)27-19 Aug. 1996, Japan.
2) Application of Two-Wave Mixing for Interferometric Nonlinear Refractive Index
Measurement
H. R. Khalesifard, Ahmad Darudi, M. Taghi Tavassoly
Proceedings- SPIE the International Society for Optical Engineering, 3745-15, 1999.
3) Interferometric Specification of Lens Parameters
Ahmad Darudi and M. Taghi Tavassoly
Proceedings- SPIE the International Society for Optical Engineering,3745-16, 1999.

4) Applications of Fresnel diffraction from phase objects
Tavassoly,M.T.; Darudi, A.; Khalesifard,H, R,; Hossaini, M. R. S.
SPIE the International Society for Optical Engineering, 4399-19, 2001, pp:98-106
5) Fabrication and determination of refractive index profile of the planar waveguides by
wedge technique,
Hossaini, M. R. S; Ahmad Darudi and M. Taghi Tavassoly, SPIE the International
Society for Optical Engineering, 5252-36, 2003.
6) New fringe analysis method
Ahmad Darudi, M. T. Tavassoly
Interferometry and Application in Modern Physics, 2-13 Feb. Trieste, Italy, 2004
7) Determination the refractive index profile of a slice of fiber preform by lateral shearing
interferometry,
Ahmad Darudi, M. Taghi Tavassoly, H. Salvdari
SPIE the International Society for Optical Engineering, 2005.
8) Determination of refractive index profile of the planar waveguide by wedge technique
and chemical sample preparation
S. M. R. Sadat Hosseini , A. Darudi , M. T. Tavassoly , N. Granpayeh , A. Goodarzi
CAOL 2005, 12-17 Sep., Yalta, Crimea, Ukraine. 0-7803-9130-6/05 © 2005 IEEE
9) Comparison between focusing method and transport of intensity equation for refractive
index profile measurement of symmetric fiber preform
Ahmad Darudi, R. Shomali and M. T. Tavassoly
Photonics 13-16 December 2006, Hyderabad, India
10)A Method for Increasing the Resolution of Optical Detectors
S. Khademi, A. Darudi and M. Shahsavari
Photonics 13-16 December 2006, Hyderabad, India
11) Site Selection of Iranian National Observatory
S. Nasiri, A. Darudi, M. Sarazin and Y. Sobouti
Optical Turbulence, Astronomy meets Meteorology , 15-18 September 2008, Alghero,
Sardegna, Italy.
12) Interferometric Inspection of Microsphere By Polarizing Microscope, Lateral
Shearing Interferometry,
A. Darudi, E.A. Akhlaghi, M. Ferrari and G.C. Righini
Accepted: Photonics 2008 14-17 December, New Delhi, India
13) simultaneous measurement of refractive index and thickness of Lithium Niobate
crystal by Low-coherence interferometer
A. Darudi, S. M. R. Sadat Hosseini
Accepted: Photonics 2008 14-17 December, New Delhi, India

Iranian Conference Proceedings:
1-Reconstruction of interfering waves from three dimensional analysis of their
interference pattern,
M.T. Tavassoly, A. Darudi,
Proceedings of annual physics conference of Iran, Urmia University, 28-31 Aug.
(1995).
(3)
15
2- Measurement of nonlinear refractive index for media with less than 10 esu
H.R. Khalesifard, Ahmad Darudi, M.Taghi Tavassoly,
Proceedings of annual physics conference of Iran, Shahid Bahonar university of Kerman
, 29 Aug.-1 Sep. (1998).
3- Far field fringe analysis of interference pattern in degenerate two wave mixing
Ahmad Darudi, M. Taghi Tavassoly, H.R. Khalesifard,
Proceedings of annual physics conference of Iran, universityof Mazandaran, 28-31 Aug.
(1999).
4- Interferometric specification of lens (single and doublet) parameters
Ahmad Darudi, M.Taghi Tavassoly,
Proceedings of annual physics conference of Iran, Teacher training university of
Sabzevar , 27-30 Aug. (2001)
5- New fringe analysis method,
Ahmad Darudi, M. Taghi Tavassoly
Proceedings of annual physics conference of Iran, Zanjan university, Zanjan,Aug.(2002).
6- Determination of Refractive index profile for a planar waveguide by making wedge
technique,
Ahmad Darudi, S. M. R. Sadat Hosseini , M. Taghi Tavassoly
Proceeding of the 9 th photonics gathering of physics society of iran, Iran
Telecommunication Research Center, Tehran, 5-6 Feb. (2003)
7- Lens parameters (thickness, refractive index and radi of curvatures) determination
using low coherence interferometric
Ahmad Darudi, S. Askari, M. Taghi Tavassoly
Proceedings of annual physics conference of Iran, Azarbaijan Tarbiat Moallem Uni.,
Tabriz, 25-28 Aug. (2003).
8- An iterative method for reconstruction of two interfering wave fronts from their
interference pattern in three dimentions
Ahmad Darudi, M. Mardani, M. Taghi Tavassoly
Proceedings of annual physics conference of Iran, Azarbaijan Tarbiat Moallem Uni.,
Tabriz, 25-28 Aug. (2003).

9- Determination of refractive index profile of preforms by shearing interferometry method,
Ahmad Darudi, ;Salvdari, hamid ; Tavassoly, M. Taghi
Proceedings of annual physics conference of Iran, Aug. (2004)
10- Making the planar waveguide and measurement of refractive index profile of it using
two dimensional fringe pattern analysis,
M. R. S. Hoseini, Ahmad Darudi, M. T. Tavassoly, N. Granpayeh
Second electrical Eng. Of Iran. Mashhad Ferdosi University, Iran. March 2004.
11- Report on site selection of national observatory of Iran,
S. Nasiri, A. Darudi
9 th Astronomical conference of Iran, IASBS, march 2004.
12- Refractive index profile determination of optical fiber perform by transport equation
of phase and intensity
Ahmad Darudi, Shomali, Ramin
Proceedings of annual physics conference of Iran, Aug. (2005)
13-Review the Spectroscopic Method to Determination of Refractive Index Profile of
Planar Waveguides
Ahmad Darudi, Ahadi Akhlaghi, Ehsan
Proceedings of annual physics conference of Iran, Aug. (2006)
14- Comparison of Images Conformation Method with the Ordinary Denoising
Methods for Astronomical Images
Siamak Khademi, Javad Amiri, and Ahmad Darudi,
Proceedings of annual physics conference of Iran, Aug. (2006)
15- Astronomical seeing and its relation with meteorological parameters
Ahmad Darudi , Sadollah Nasiri, Leila Rafezi , Seyedeh Akram Yaghooti
Proceedings of annual physics conference of Iran, Aug. (2006)
16- Reconstruction of two unknown wave front using transport of
intensity equation
Ahmad Darudi, Hojjati Parast,Monir
Proceeding of the optics and photonics society of iran, Feb. 2007
17- 1D Surface testing using Fresnel diffraction
Ahmad Darudi, Soghra Osanloo
Proceeding of the optics and photonics society of iran, Feb. 2007
18-Refractive Index Profile Estimation in Optical Waveguides and Filters Using Genetic
Algorithm
Iman Ahadi Akhlaghi, Habib Rajabi Mashhadi, Ahmad Darudi and Ehsan Ahadi
Akhlaghi
Proceeding of the optics and photonics society of iran, Feb. 2007

19- Increase the accuracy of a autocollimator to one arc second
Masoud Mardani, Ahmad Darudi, Hassan Malek Mohammadi
Proceeding of the optics and photonics society of iran, Feb. 2007
20- Measurement the parameters of a multi layer system with spherical surfaces using
low-coherence interferometry
Ahmad Darudi, Mohmmad Taghi Tavassoli, Mohsen Dashti
Proceedings of annual physics conference of Iran, Aug. (2007)
21- Aspheric surface parameters measurement by Fizeau interferometer
Ahmad Darudi, Salman Mohajer, Farshid Razmjoei,
Proceedings of annual physics conference of Iran, Aug. (2007)
22- Build a lidar system based on the observation of the laser beam trace
Ahmad Darudi, Fazollah Ramezani
Proceedings of annual physics conference of Iran, Aug. (2008)
23- Specification of temperature profile around of a hot wire by Fresnel diffraction from
phase object
Rasoul Aalipour, M. T. Tavassoly, Ahmad Darudi
Proceedings of annual physics conference of Iran, Aug. (2008)

Research Experiences:
1) Interferometric wave-front sensing
2) Design an Interferometric device for measurement the lens aberrations with lateral
shearing interferometry.
3) Experience with light sensitive material "Dichromate Gelatin (DCG)"
4) Grating interferometry based on "Moiré pattern"
5) Refractive index and thickness measurement with Fresnel diffraction
6) Refractive index profile measurement of planar wave guide and fiber preform
7) Low coherence interferometry for index and thickness measurement.
8) Fringe analysis software with programming in MATLAB (Fourier method, Phase shift
method, unwrapping the noisy data, aberration measurement) a user friendly software
is prepared.
9) Interferometeric Specification of lens parameters
10) Aspheric surface parameter measurements.
12) Computer generation hologram for Aspheric surface testing
13) Micro sphere, fiber refractive index measurements by Microscopic lateral shearing
Interferometry
14) Fresnel diffraction from phase object.
15) Adaptive optics