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AODs have been implemented as the third level of compound beam positioning after previously combining galvanometer based scanner mirrors and translation stages in ESI's laser micromachining systems. The successful integration allows arbitrary local positioning within the AOD scan field with update rates of up to 1 MHz. Elliptical beam handling enables a cost effective trade-off between update rate...
Laser based micro-fabrication tools have become default choices for critical processes in consumer electronics. Smart beam delivery and system design enables high quality low cost manufacturing of several key components in mobile devices.
We demonstrate non-scanning three-dimensional (3D) imaging of cellular components in live cancerous (HeLa) cells by combining the chemical selectivity of CARS with the 3D imaging capability of holography to establish a new technique for bio-imaging.
We demonstrate a chromatic second harmonic imaging technique that exploits the chromatic aberration of a Fresnel lens to focus different wavelengths into different axial positions to effectively realize axial scanning and improve imaging speed.
We investigated inline holographic CARS microscopy, in which the reference generated from a nonlinear medium co-propagates with the CARS signal produced from a specimen. We show that this technique has 3D chemical selective imaging capability.
We propose and develop a nanoprobe-based technique for characterizing femtosecond laser pulses. A preliminary demonstration based on the measurement of the interferometric autocorrelation trace through two-photon fluorescence from a nonlinear nanoprobe is reported.
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