Cyber Laser, Inc.

We propose an idea of fast cutting a display glass plate where the sample is pre-processed micromachining single shot rear-surface and internal void arrays aligned on working plane prior to glass cleaving.Single shot void morphol. is investigated varying input pulse energy, focusing depth, and scanning speed.A femtosecond laser with pulse duration of 172 fs, central wavelength of 780 nm, and repetition rate of 1 kHz is used to fabricate voids.

We have developed a pulsed Yb:YAG thin disk green laser for pumping a 100 kHz and 10 W femtosecond laser.We optimized numerically and exptl. the open duration of the acousto-optic (AO) Q-switcher and the internal SHG method, generating stable output energy at a 100 kHz repetition rate.We demonstrated a 515 nm output power of over 80 W with a pulse-to-pulse stability of less than 1% RMS with an LD power to green power conversion efficiency of 24%.With the developed green laser, we obtained 16 W of a Ti:sapphire laser in a cavity dumped mode.

A 6-12 μm mid-IR (MIR) fs laser source for glycoprotein structure anal. was developed.The MIR fs laser pulses are generated by a differential frequency generation (DFG) configuration with a combination of Ti:Al₂O₃ based regeneratively amplified fs laser pulses (780 nm, 160 fs, 1 mJ) and a β-BaB₂O₄ (BBO) based optical parametric amplifier (OPA).The MIR pulse energy exceeds 4.5 μJ, where a glycoprotein mol. has resonant absorption lines due to the vibrational-rotational transitions.The pulse width is <1 ps according to the cross correlation measurement between the 2 OPA output pulses.Using the MIR fs laser pulses, photodissociation of the sialyl Lewis X (sLeX) proton added ion was demonstrated.