Two standard commercial flashlamp-pumped Nd:YAG (YAG denotes yttrium aluminum garnet) lasers have been upgraded to "pulse-burst" capability. Each laser produces a burst of up to 15 2 J Q-switched pulses (1064 nm) at repetition rates of 1-12.5 kHz. Variable pulse-width drive (0.15-0.39 ms) of the flashlamps is accomplished by insulated gate bipolar transistor (IGBT) switching of electrolytic cap...

Yttrium aluminum perovskite (YAP) co-doped with CI3' and Nd3+ is of interest in laser applications because the chromium-neodymium energy transfer is more efficient in YAP than in YAG. Investigation of the energy transfer from the chromium R lines and pair states in the wavelength range 720-740 nm to the Nd3+ upper laser level shows that neither individual C? ions nor C?+-C? pairs are important ...

background: laser ablation has been suggested as an alternative method to acid etching; however, previous studies have obtained contrasting results. the purpose of this study was to compare the shear bond strength (sbs) and fracture mode of orthodontic brackets that are bonded to enamel etched with acid and erbium-doped yttrium aluminum garnet (er:yag) laser. materials and methods: in this expe...

The dynamics and confinement of laser-created plumes expanding across a transverse magnetic field have been investigated. 1.06 microm, 8 ns pulses from a neodymium-doped yttrium aluminum garnet laser were used to create an aluminum plasma which was allowed to expand across a 0.64 T magnetic field. Fast photography, emission spectroscopy, and time of flight spectroscopy were used as diagnostic t...

Thermal conductivity of 9.8 at% Ytterbium-doped Yttrium Aluminum Garnet (Yb:YAG) ceramics has been measured by three systems at Commissariat à l'Énergie Atomique et aux énergies alternatives (CEA Paris-Saclay) and the National Institute for Fusion Science (NIFS). For accurate measurements, thermal impedances in should be negligibly small. However, each system includes some impedance a heat flow...

ABBREVIATIONS LITT, laser interstitial therapyNd:YAG, neodymium-doped yttrium aluminum.

INTRODUCTION Malignant glaucoma occurs when the intraocular pressure elevates in the setting of a shallow anterior chamber and patent iridectomy. We describe a case in which malignant glaucoma that was refractory to conventional treatment and complete vitrectomy was successfully managed by rerouting the glaucoma tubes into the pars plana. CASE PRESENTATION A 47-year-old Latino man had a histo...

BACKGROUND The widespread use of surgical lasers has found place in dermatologic and aesthetic surgery largely because they are well tolerated with a reduced incidence of postoperative haemorrhage and oedema, few associated adverse events and a high rate of patient satisfaction. PATIENTS AND METHODS A retrospective analysis of 1232 consecutive patients was performed on patients undergoing a r...

Aim: To evaluate the efficacy of latanoprost for the prevention of ocular hypertension after neodymium: yttrium-aluminum-garnet laser posterior capsulotomy. Methods: Fifty six eyes of 56 consecutive patients receiving neodymium:yttrium-aluminum-garnet laser capsulotomy for posterior capsule opacification were randomized to group 1, who received 1 drop of latanoprost 0.005%, or to group 2, who r...