Melika Afshar

7 Questions 4 Answers 0 Followers

Questions related from Melika Afshar

How to do spatial over lap of two beams?

Hi, How we can spatial over lap two beam one normal incident and focused by a 20cm lens another in an angle and focused by a 5 cm lens because one of the beams have an angle unless I make sure the...

17 February 2025 1,077 0 View

Is it possible to do simulation for laser ablation in water using COMSOL or Lumerical?

Solving heat transfer equation during laser ablation in air is done with comsol and there are some tutorial videos, is it possible to do do simulation for laser heating during ablation in liquid....

16 April 2024 9,561 1 View

Hi, I have a question regarding fabrication of a waveguide using Cylindrical lens with Femtosecond laser?

I want to know what is the reason that at the end of Bk7 crystal there is something like a bend, I have attached a picture to be clear.

30 January 2023 1,839 2 View

Silicone wafer coated with Gold ?

Hi if a silicone wafer is deposited with gold with thermal evaporation method, up to which temperature I can heat it until the gold is not damaged?

20 April 2022 8,784 0 View

Screen a femtosecond laser pulse using oscilloscope?

Hi we want to see the laser pulses(femtosecond pharos, 1030nm, 100KHz, 180 fs) with oscilloscope, what should be the settings we need to play with to see the signal from the photo diode detecting...

14 April 2022 5,231 2 View

Hello, I would like to know what are carbon fibers and if they can be structured by laser ablation.?

Can ultrafast lasers be used for carbon fiber ablation.

07 April 2022 8,136 2 View

Hi what might be a appropriate way to reduce agglomeration in the Nano particles suspension ?

I have a suspension of Copper Nps in DI water which probably contain a large amount of Copper oxides.

23 March 2022 2,765 12 View