Davood Danaei

3 Questions 9 Answers 0 Followers

Questions related from Davood Danaei

Why the M2 factor of an unstable resonator is low?

Generally unstable resonators have low M2 factor but still I do not know why and I have not a physical reasons behind this. We have some profile patterns in unstable resonator like doughnut shape...

12 December 2023 5,283 7 View

Is it possible to get a Gaussain TEM00 mode in a resonator when we added an aperture with dimension less than beam waist in its position?

Imagine we have an ideal cavity consist of two curved mirrors, if we added an aperture less than beam waist, what will happen? I also know that this resonator is operating at TEM00 mode. An image...

19 October 2015 9,322 9 View

I have a Xenon flashlamp with repetation rate of 10 Hz, if I use the frequency of 20 or 30 Hz, what will happen?

I would like to know the main advantages and also disadvantages of working of a xenon flashlamp in a frequency in which is not it's operation frequency

25 September 2015 110 3 View