Rainer wow. I'm embarrassed to say I haven't read your blog for 2 reasons. I thought the Google translation would be choppy and broken English on its conversion and I thought you would just rehash the NR's in German. I'm blown away at the in depth explanation of the detector and how it relates to the vcsel and it being a stand alone product. I'm forwarding this to all my friends and family to read who are invested. It's amazing that you are doing these blog posts in this kind of detail for the general public to read and have a better understanding. Going above and way beyond, you have all of my respect. I know what I'm doing today reading your blog for the beginning! Cheers.