It’s an excellent question. Most laser users know that a KTP crystal converts 1064 nm into 532 nm by “frequency doubling”. But what about the other wavelengths—585 nm, 650 nm and the various colours advertised by some manufacturers? Is the laser somehow producing entirely new wavelengths? Well… yes. But not quite in the way many… Continue reading If a Nd:YAG laser can only produces 1064 nm light… where do all the other wavelengths come from?
Tag: technology
Laser safety glasses – what does ‘DIRM’ mean?
You know I keep banging on and on about safety glasses and how important they are (you only have one pair of eyes!!). I have written a number of times about this topic and how to understand the text on your safety glasses (https://mikemurphyblog.com/2024/02/29/laser-safety-glasses-and-how-to-read-them/). Yet, I find that people still don’t know much about this… Continue reading Laser safety glasses – what does ‘DIRM’ mean?
Professor Bill Reid – The “Father” of Laser Tattoo Removal.
Prof. William H. Reid, FRCS. It is with some considerable sadness that I announce the death of Prof William (Bill) Reid, Plastic Surgeon. Bill Reid was a plastics and burns surgeon who worked in the Canniesburn Plastic Surgery and Burns Unit, Glasgow up until his retirement in 1996. He was a well-respected surgeon for his… Continue reading Professor Bill Reid – The “Father” of Laser Tattoo Removal.
What is a Laser Protection Adviser and what do they do?
Today I was asked ‘what exactly is a Laser Protection Adviser (LPA)?’ So I thought I’d tell the whole world… In the UK, we have a number of specialists, who have a lot of experience with lasers and their safety aspects, who are known as LPAs. There are two groups of such people – the… Continue reading What is a Laser Protection Adviser and what do they do?
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