Metal microneedle fabrication
using twisted light with spin

Takashige Omatsu, Keisuke Chujo, Katsuhiko Miyamoto, +4

Optics Express

Direct generation of high power Laguerre–Gaussian output from a diode-pumped Nd:YVO_4 1.3-μm bounce laser

Masahito Okida, Takashige Omatsu, Toyohiko Yatagai

Optics Express

Optical PumpingPhotonicsDiode-pumped NdEngineeringPhysics +10

Optical vortex pumped mid-infrared optical parametric oscillator

Katsuhiko Miyamoto, Sachio Miyagi, Masaki Yamada, +4

Optics Express

Optical PumpingPhotonicsVortex DynamicsEngineeringPhysics +7

Characterization of 1.06 μm optical vortex laser based on a side-pumped Nd:GdVO4 bounce oscillator

Masahito Okida, Yukiko Hayashi, Takashige Omatsu, +2

Applied Physics B

Optical PumpingPhotonicsGdvo4 Bounce OscillatorEngineeringLaser Science +5

Power scaling of a picosecond vortex laser based on a stressed Yb-doped fiber amplifier

Mio Koyama, Tetsuya Hirose, Masahito Okida, +2

Optics Express

PhotonicsPicosecond Vortex LaserEngineeringOptical PropertiesPower Scaling +7

MW ps pulse generation at sub-MHz repetition rates from a phase conjugate Nd:YVO_4 bounce amplifier

Takashige Omatsu, Kouji Nawata, Masahito Okida, +1

Optics Express

Short-pulse LasersPhotonicsElectrical EngineeringPulse GenerationPicosecond Phase +12

High power picosecond vortex laser based on a large-mode-area fiber amplifier

Yuichi Tanaka, Masahito Okida, Katsuhiko Miyamoto, +1

Optics Express

PhotonicsEngineeringPicosecond Vortex PulsesFiber-optic CommunicationLarge-mode-area Fiber Amplifier +8

High repetition rate Q-switching performance in transversely diode-pumped Nd doped mixed gadolinium yttrium vanadate bounce laser

Takashige Omatsu, Masahito Okida, A. Minassian, +1

Optics Express

Optical PumpingPhotonicsElectrical EngineeringDiode-pumped NdEngineering +9

Heat generation in Nd doped vanadate crystals with 1.34 μm laser action

Masahito Okida, Toyohiko Yatagai, Hamish Ogilvy, +2

Optics Express

Materials ScienceExcited State AbsorptionHeat GenerationEngineeringLaser Science +12

Nanosecond vortex laser pulses with millijoule pulse energies from a Yb-doped double-clad fiber power amplifier

Mio Koyama, Tetsuya Hirose, Masahito Okida, +2

Optics Express

Metal Microneedle FabricationPhotonicsPulse GenerationOptical PumpingEngineering +12