Reza Taheri Ghahrizjani

5 Questions 14 Answers 0 Followers

Questions related from Reza Taheri Ghahrizjani

What is the best polymer for H2S gas permeability?

I need a thin layer of polymer that can pass through the H2S gas but doesn't pass through H2O gas.

09 January 2020 2,380 4 View

Photon counting using photodiode?

Is it possible to have a photon counting using a photodiode? I know the best option is using PTM, but they are very expensive and sensitive. I need a cheap and sensitive photodiode for photon...

03 October 2017 1,118 2 View

I need to know how to polish the tip of a fiber optic with a diameter of 1000 microns?

When I cut the optical fiber, due to the large diameter of the fiber, cracks are formed on the surface.By polishing the fiber, the fiber surface becomes angular.This phenomenon greatly affects the...

13 September 2017 9,547 2 View

How to soliton pulses Femtosecond lasers propagated in the environment?

Soliton Formation and Superluminality Effect due to Nonlinear Absorption of Femtosecond Laser Pulse Energy.

04 March 2017 6,911 1 View

What is the spatial and spectral hole burning?

What is the spatial and spectral hole burning phenomena in solid-state laser? Spectral hole burning is the frequency selective bleaching of the absorption spectrum of a material, which leads to an...

01 March 2017 6,135 3 View