Parinaz Sadri-Moshkenani

10 Questions 10 Answers 0 Followers

Questions related from Parinaz Sadri-Moshkenani

How can effect of viscous damping of water on vibroacoustic frequency response of an elastic disc be modeled?

Hello, I am trying to account for amplitude damping of acoustic vibration of a polymer disc, using Ansys software. I am currently using Harmonic Acoustics module in Ansys, which seems to be the...

23 July 2021 2,967 1 View

What is the minimum Laser fluence required for photoacoustic excitation?

Hello all, Can anybody give me an idea of how much laser fluence is enough to excite measurable acoustic signals in photoacoustic imaging? I'm specifically interested in excitation wavelength of...

07 August 2020 7,135 3 View

What the easiest way to measure the resonance feature in the reflection spectrum of a nanohole array?

I've been trying to measure the spectral response of a nanohole array to see the resonance in reflection spectrum. The size of the nanohole array is 200um*200um. The resonance is designed to be...

03 November 2017 8,063 2 View

Is it possible to model the objective lens as a thin lens?

Is it possible to model the objective lens using either fourier transform formula or geometrical optics calculation derived for thin lens. If it cannot be modeled in this way, what is the focal...

02 May 2016 7,111 2 View

Is ellipsometry able to provide permeability of thin film in addition to permitivity?

I have searched thorough the internet, and found out that the common method used for measuring permittivity tensor of a thin film is ellipsometry, but I found nothing about its being able to...

19 April 2016 7,132 4 View

How to obtain S parameters of a ridge waveguide in HFSS?

I want to obtain the S parameters of a ridge waveguide in HFSS by putting two waveports at the two ends of the waveguide. But the S21 becomes so small (about -10dB). I think it is probably due to...

28 January 2014 3,151 4 View

How to design a transition from coax to waveguide?

In designing coax to waveguide transition, by putting the coax at λ/4 distance from the short circuit end of the waveguide and by tuning the depth of coax core in the waveguide, I could not obtain...

21 January 2014 4,952 6 View

Which software is the best for designing a microstrip antenna array fed by hybrid waveguide-microstrip network?

There are softwares that are best for simulating planar structures. But which software should be used in the case of planar antennas fed by a bulky network?

06 November 2013 7,258 16 View

What is the advantage of patch antenna array above slot array for radar or satellite applications?

I have read some papers about antenna arrays for radar and satellite applications. The most recent works were designed by patch antennas. But why not using slot arrays for these applications?

10 September 2013 8,107 4 View

Is HFSS able to simulate structures in optical regime?

I have seen in most of optical papers that people use COMSOL or sometimes Lumerical FDTD to simulate the structures in optical regime. I was wondering if simulating such structures can be done by...

01 January 1970 4,977 3 View