Mikael Malmström

4 Questions 4 Answers 0 Followers

Questions related from Mikael Malmström

Does PM MM fibers exist, if not why?

It seems as if Polarization Maintaining fibers only exist in Singel Mode versions. Is that because the PM capabilities does not work for higher order modes, or has there simply never been any...

28 January 2022 5,164 5 View

How to analytically describe a band pass filter Gaussian pulse?

I measure pulses on some background and my measurment system has an analog band-pass filter. I usually still have to do extra band-pass filtering digitally afterwards in order to remove the...

30 January 2020 3,585 4 View

Here is an idea for a additive manufacturing (AM) defect monitoring system with laser ultrasound (LUS)

The idea is so simple that it’s probably been though of before, but… The LUS system usually consists of one detection laser, and one generation laser. The additive manufacturing printer usually...

01 January 1970 712 0 View

Why do we still have skid-marks in steel production?

The reason for the skidmarks in steel production is due to the walking beams of the furnaces. Why is this problem not solved yet? One solution could be to either have the stationary beams at a...

01 January 1970 1,243 0 View