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A molecular design strategy that involves favorable control of one- and two-photon absorption resonances to produce exceptional nonlinear optical figures-of-merit for all-optical switching has been realized in a series of cyanines dyes.
A femtosecond laser-microscope system is custom-built for ablation of cells and tissue at 1030 nm. Fiber lasers offer important advantages for nanosurgery, including superior robustness, lower-cost and nearly complete control over pulse train pattern.
We demonstrate the advantage of coherent control technique in 2D Fourier transform optical spectroscopy on atomic model system. By spectrally shaping individual pulses, we selectively turn on and off target couplings.
We present a monolithic chip able to perform single-cell mechanical analyses without physical contact and with high reproducibility. The chip is based on a fused silica glass substrate and it is fabricated by fs-laser micromachining.
We present the development of an ultra-high-resolution high-dynamic-range infrared optical coherence tomography imaging system for the novel purpose of sub-surface inspection of silicon integrated-circuits. Examples of substrate thickness profiling and device feature inspection are demonstrated.
Photoporation (optical injection) of mammalian cells using a tightly focused femtosecond laser beam is demonstrated within a microfluidic chip, providing delivery of cells to the beam and thus automating the system for high cell throughput.
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