Ralf G. Niemann

2 Questions 2 Answers 0 Followers

Questions related from Ralf G. Niemann

How to remove a titanium (Ti) layer from a LaSFN9 optical glass substrate? - without etching the glass?

I have optical glass substrates (LaSFN9) that have a 2nm Ti contact layer and 50nm Au layer, those need to be cleaned. The gold comes easily off with a solution of I2 and KI in water. The Ti is...

27 May 2016 7,041 2 View

Is there a dependence of light absorption due to particle size, especially if the absorbing particles are in the range of the light-wavelength?

The sintering of particles with a size of a few µm with a 1064 nm laser shows unpredictable results, there is either no reaction or evaporation and ablation of material. My suggestion is that I...

15 August 2012 1,900 1 View