WebFeb 26, 2004 · French Megajoules laser (LMJ) and Ligne d'Integration Laser (LIL) are two high power lasers using large diffractive components for focal spot conditioning. Those components are a 420x470 mm2 focusing grating and a 398x383 mm2 continuous phase plate (CPP), both working at wavelength 0.351 μm. In order to control the tight … WebSchematic layout of NIF’s final optics assembly for a single beamline. The mechanical system mounts to the NIF target chamber and contains the final set of optics for four NIF …

In-tank, on-shot characterization of the OMEGA laser system …

WebThe final optics system adopts the modular design. The components including wedged focus lens, crystal, BSG and DDS are replaceable online with certain precision. The … Web(a) Diagram of the final optics assembly used for the full-beam-in-tank (FBIT) diagnostic. For clarity, wedges are exaggerated and some of the reflections have been omitted. (b) The uncoated wedged vacuum window creates a series of replicas of the main beam. Each is reduced in intensity by 0.037 n, where n is the number of reflections in the wedge. empirical scrutiny meaning

Ultra clean manufacturing techniques for final optics …

WebThe final optics assemblies (FOAs) are the last element of the main laser system and the first of the target area systems. Each FOA contains four integrated optics modules … WebThe KDP crystals present in the final optics assembly at the National Ignition Facility (NIF) are used for conversion of infrared laser light beam into ultraviolet. The conversion is highest for a certain incident angle, the alignment of which is determined from the position of the back reflection beam, which exhibits a distinct characteristics ... WebMar 23, 2004 · Schematic drawing of the Final Optics Assembly (FOA) showing the key optical elements and their relative locations when fully assembled. Note the FOA is designed to accommodate four separate NIF ... dra stands for in education