Sami Birzhandi

5 Questions 11 Answers 0 Followers

Questions related from Sami Birzhandi

Can we know about the fiber structure (single or multimode) with its output beam?

In our case, the fiber is highly protected and its tip is covered with collimator lens which makes it impossible to figure out about its structure. Could anyone suggest a solution for this...

10 December 2016 1,828 4 View

What is the difference in saturation parameter for CW and pulsed laser?

As we know we have saturation intensity in which laser absorption decrease due to low population in ground state of medium. as we have long time emission in CW laser so we have much lower power...

11 January 2015 6,312 3 View

Which optical properties and specification considered most in choosing optical limiter polymer?

Which companies introduce these material such as ZnTPP? which specification is in more importance for these devices?

26 December 2014 4,120 4 View

What is the relationship between initial gas pressure of a spectroscopic cell and its diffusion along time?

In gas spectroscopy, how can you determine the cell lifetime? I mean, how long can you rely on first estimate of inside gas pressure? In our case we have Ne with Rb metal vapor. Our measurement...

06 December 2014 5,742 5 View

Could someone help me with fringe analysis?

Does anyone have experience or any good source for fringe analysis in optical deflectometry? Maybe matlab code or any fringe analysis software? Thanks in advance

29 October 2014 6,096 8 View