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The OMEGA EP intensity contrast has been measured to be approximately 6 decades for kilojoule 10-ps pulses. The OPCPA front end is the primary source of the measured incoherent pedestal.
We describe an optical imaging methodology applicable to the detection of a fluorescent agent below the surface of turbid media with lifetime property extraction. The method exploits the collimation detection capabilities of an angular filter array to form a projection image of a fluorophore embedded within the tissue-mimicking phantom. A femto-second pulsed laser was used to illuminate the tissue...
Our objective is to selectively and non-invasively deposits markers under image guidance for internal tattooing. This study describes the production of ultrasound-inducible particles carrying large payloads of fluorescent markers and the in vivo proof of concept of their remote deposit via focused ultrasound. The particles are double emulsions produced in a microfluidic system, consisting of aqueous...
Design and characterization of a new generation of single-photon avalanche diodes (SPAD) array, manufactured by ST-Microelectronics in Catania, Italy, are presented. Device performances, investigated in several experimental conditions and here reported, demonstrate their suitability in many applications. SPADs are thin p-n junctions operating above the breakdown condition in Geiger mode at low voltage...
Optical storage inside a human fingernail is performed. A bit is recorded by irradiating of a femtosecond laser pulse and the bit is read by use of increased fluorescence at the formed bit.
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