TY - JOUR
AU - Murphy, M. J.
AB - Research letter Q-switched 532-nm laser energy causes absorption of the 532-nm laser energy by the melanin in the 1,7,8 significant vascular damage in the capillary epidermis. plexus: how does this affect laser tattoo Twelve minutes after irradiation the initial whitening had removal? faded significantly. However, 3 h after irradiation there was a clear difference between the compressed and the noncom- DOI: 10.1111/bjd.16130 pressed spots. The compressed areas showed significantly less erythema and oedema than the uncompressed set. Figure 1 DEAR EDITOR, Tattoos can be effectively removed using Q- shows the extent of this erythema with a marked rise in the switched and picosecond lasers at four wavelengths: 1064, blood-filled spots 48 h after irradiation. Clearly, there is a sig- 1–4 755, 694 and 532 nm. However, there are two particular nificant difference between the two sets of spots. problems with the 532-nm line. Firstly, it is well absorbed by At 48 h there appeared to be only a very marginal differ- the melanin in the epidermis, because of its relatively high ence between the uncompressed and compressed sets of laser 5 
1 absorption coefficient, (l = 56 cm for typical white irradiated spots with the 1064-, 755- and 694-nm 
TI - Q‐switched 532‐nm laser energy causes significant vascular damage in the capillary plexus: how does this affect laser tattoo removal?
JF - British Journal of Dermatology
DO - 10.1111/bjd.16130
DA - 2018-06-01
UR - https://www.deepdyve.com/lp/oxford-university-press/q-switched-532-nm-laser-energy-causes-significant-vascular-damage-in-nuK2Hdl3Y9
SP - 1425
EP - 1426
VL - 178
IS - 6
DP - DeepDyve
ER -