BACKGROUND/AIMS To evaluate treatment with high peak power pulse energy by femtosecond ultrashort pulse laser (titanium sapphire laser) delivered at an 800 nm wavelength for corneal neovascularisation using photodynamic therapy (PDT) mediated by indocyanine green (ICG). METHODS Using a gelatin solid as an in vitro corneal model, the safety of laser power was studied to determine if it degener...

The femtosecond laser has emerged as a revolutionary technology in the field of refractive surgery over the past decade, improving cornea-based procedures such as laser vision correction (eg, flap creation, SMILE) and laser-assisted keratoplasty. More recently, the femtosecond laser has been successfully applied to the crystalline lens to assist in cataract surgery. Presbyopia, which is defined...

By using broadband lasers, we demonstrate the possibilities for control of cold molecules formed via photoassociation. Firstly, we present a detection REMPI scheme (M. Viteau et al., Phys. Rev. A, 2009, 79, 021402) to systematically investigate the mechanisms of formation of ultracold Cs2 molecules in deeply bound levels of their electronic ground state X1sigma(g)+. This broadband detection sch...

Backgrounds/aims: To evaluate treatment with high peak power pulse energy by femtosecond ultrashort pulse laser (titanium sapphire laser) delivered at an 800 nm wavelength for corneal neovascularisation using photodynamic therapy (PDT) mediated by indocyanine green (ICG). Methods: Using a gelatin solid as an in vitro corneal model, the safety of laser power was studied to determine if it degene...

OBJECTIVE To describe the intraoperative complications and to evaluate the learning curve with femtosecond laser cataract surgery. DESIGN Prospective, consecutive cohort study. PARTICIPANTS The first 200 eyes undergoing femtosecond laser cataract surgery and refractive lens exchange in a single center. METHODS The initial 200 eyes undergoing cataract surgery between April 2011 and June 20...

A variation of the femtosecond laser-assisted sutureless anterior lamellar keratoplasty technique using a femtosecond laser incision for surgical management of anterior corneal disease is described. Six patients with corneal scars were treated with the laser to create a horizontal lamellar bed interface in the cornea of the donor and recipient eyes, with a manual partial-thickness vertical trep...

A femtosecond single-bunch electron linear accelerator based on a photocathode rf gun was developed in Osaka University for the study of radiation-induced ultrafast physical and chemical reactions. A 32 MeV single electron bunch with bunch length of 98 fs in rms was generated successfully with a magnet bunch compressor, and was used as pump source to study the electroninduced ultrafast reaction...

PURPOSE To report and document a case of successful rainbow glare correction using undersurface ablation of the LASIK flap. METHODS A 33-year-old woman was treated bilaterally for myopia using femtosecond laser-assisted LASIK with the FS200 femtosecond laser (Alcon Laboratories, Inc., Fort Worth, TX). Postoperatively, she complained of rainbow glare in her right eye, and presented some residu...

Ultrafast laser inscription is a standard technique to fabricate embedded waveguides in glasses or crystals. Tightly focused femtosecond laser-pulses induce an increase in refractive index inside the material via non-linear absorption. By moving the sample through the focus virtually arbitrary threedimensional paths can be created. The transfer of this technique to polymers has already delivere...

Femtosecond laser processing in transparent materials is promising owing to the accessible control of energy deposition in time and in space. In this regime, it opens fantastic opportunities to manufacture novel multifunctional composite materials by manipulating the size, shape and orientation of nonlinear crystals with intrinsic symmetry embedded in glasses. This dissertation mainly contribut...