Experiments with India ink and a Q-switched Nd:YAG laser

What happens when India ink absorbs laser energy? I irradiated some dry India ink trapped between two glass slides here (the ink was allowed to dry overnight). I used 5 J/cm^2 with a 1064 nm wavelength. As you can see, the laser energy ‘vapourises’ the ink and leaves voids behind. But, very little ink leaves… Continue reading Experiments with India ink and a Q-switched Nd:YAG laser

Laser/IPL Hair Removal – plume and precautions!!!

I wrote an article for Aesthetics recently regarding the plume generated by laser/IPL hair removal and other treatments. All ablative treatments will generate a plume. In addition, many other laser/IPL treatment will also generate plume. What is a ‘plume’? Plume consists of smoke particles and tiny, invisible particles of tissue, hair, bacteria, viruses and potentially… Continue reading Laser/IPL Hair Removal – plume and precautions!!!

Back-scattered light from the skin is much more than we think…

My Letter describing back-scattered laser radiation from the skin has been published in the ‘open market’ by Springer! I’m very pleased that they have done this. However, I am now thinking that the levels of back-scattered light are higher than I first thought. The is coming from new work I have been doing looking at… Continue reading Back-scattered light from the skin is much more than we think…

New Book – Medical/Aesthetic Lasers & IPLs and Skin Treatments

I have been asked many times in the last few years for a recommendation for an introductory book describing the application of lasers and IPLs in aesthetic treatments. My answer was always the same – “There isn’t one!!” So, I finally took the plunge and decided to write one, with my colleague PA Torstensson. The… Continue reading New Book – Medical/Aesthetic Lasers & IPLs and Skin Treatments

BMLA Advice for re-opening laser/IPL clinics – new training course

The BMLA has issued some guidance on re-opening medical laser/IPL clinics with a view to staff/patient safety. It has some very useful information in it. Click here for the advice. I can now offer a training course on re-opening clinics in the UK. This course includes a Powerpoint training sessions for all staff which discusses… Continue reading BMLA Advice for re-opening laser/IPL clinics – new training course

Before ‘IPL’, there was ‘Supraherence’!!

Terrible name! Thank goodness we dropped it.   Back in 1996 we were developing the world’s first IPL system for hair removal. Except, back in 1996 the name ‘IPL’ had not been coined! We were using a strange expression – “supraherence”. I honestly can’t remember why we came up with that!! We had done a… Continue reading Before ‘IPL’, there was ‘Supraherence’!!