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The intensity-related carrier-envelope phase dynamics of octave-spanning Ti:sapphire lasers is investigated. Taking the laser gain dynamics into account, quantitative agreement between the measured and predicted carrier-envelope phase noise resulting from pump laser noise is achieved.
A channel waveguide exhibiting internal gain under pumping is fabricated inside erbium doped oxyfluoride-silicate glass using a femtosecond laser. The waveguide cross section and refractive index contrast is controlled using a multi-scan technique.
We have demonstrated 33 J amplification in Ti: sapphire at the record repetition rate of 0.1 Hz. For this, we have successfully removed transverse lasing in the large crystal amplifier and homogenized the laser pump profiles.
The Lucia laser will deliver a 100 Joules-10 ns-10 Hz pulse train from ceramic/crystal Yb:YAG using 4400 QCW diode laser bars (440 Joules). Petwatt-class laser chain scheme using Lucia as a pump source is described.
We demonstrate for the first time, to our best knowledge, diode-pumped passively-mode-locked Nd:YVO4 laser, operating on the 4F3/2-4I9/2 transition of the neodymium ion at 914 nm.
We present a new scheme of Ti:Sa laser amplification, based on second harmonic generation from a Ti:Sa laser tuned at 496 nm by an OPA system and amplification in an excimer double cavity.
Laser ablation is a well-established solid-state film growth technique that typically involves applying a nanosecond laser beam to ablate a target material, followed by depositing the precursor vapor onto a substrate. A main technical obstacle for growing thin films with conventional nanosecond laser ablation is the formation of micron-sized particulates or droplets, which would be unacceptable for...
We have designed a compact solid compressor by stimulated Brillouin scattering used in a fused silica glass. An 13 ns Nd:YAG laser pulse has been temporally compressed to a 1.2 ns pulse at 1064 nm.
We present results in a comprehensive analysis of gain shaping from Nd:glass amplifiers in an effort to generate near 100 fs pulses in chirped pulse amplification. We discuss relative gain balance between the two media.
We have tested two optical solutions to homogenize the spatial profile of nanosecond pump beams to be used for a Petawatt Ti:Sapphire. Simulations and experiments will be presented for microlens arrays and random phase plate.
We demonstrate an octave-spanning, self-referenced optical frequency comb produced with a high repetition rate (frep=575 MHz) femtosecond Ti:sapphire laser that requires less that 1 W of 532 nm pump power.
We report a diode-pumped high repetition rate chirped-pulse Yb:KGW regenerative amplifier delivering tens of microjoules pulse energy at repetition rates of up to 300 kHz.
We demonstrate for the first time Q-switched and mode-locked laser operation of the Li6Y(BO3)3:Yb3+ crystal. Up to 140 muJ pulse energy and down to 355 fs pulse duration were achieved.
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