Lawrence Livermore National Security, LLC

Colorado State University Research Foundation

Thomas M Spinka

Craig W Siders

Andrew James Bayramian

Todd M Bandhauer

Jack Kotovsky

John Edward Heebner

Alvin Charles Erlandson

Clint Frye

Jeffrey Devin Bude

Salmaan H Baxamusa

Selim Elhadj

Ian Seth Ladner

Raluca A Negres

Maurice B Aufderheide

Scott C Wilks

Devin Joseph Funaro

David A Alessi

Steven T Yang

Constantin L Haefner

Otto L Landen

Andrew J Mackinnon

David Ryan Hobby

Wade H Williams

Caleb Del Anderson

John S Miller

Thomas C Galvin

Andreas J Kemp

A method is disclosed for doping a quantity of powder particles. A container having a central chamber is initially charged with a quantity of powder particles. A quantity of precursor is sublimed to form a heated precursor. A quantity of carrier gas is mixed with the precursor to form a mixture of heated precursor/carrier gas. The central chamber is charged with the heated precursor/carrier gas and then moved to cause interaction of the powder particles with the heated precursor/carrier gas to form a first monolayer coating on the powder particles. The heated precursor/carrier gas is then removed from the central chamber and the central chamber is charged with a O2/O3 gas under a plasma. The central chamber is then further moved to produce interaction of the O2/O3 gas with the first monolayer coating on the powder particles to modify the first monolayer coating to create a different, single monolayer coating forming an oxide coating on the powder particles.

System and method for atomic layer deposition of rare-earth oxides on optical grade materials for laser gain media

The present disclosure relates to a laser diode system. The system may have at least one laser diode emitter having a substrate, at least one laser diode supported on the substrate, and a facet which a laser beam generated by the laser diode is emitted. A cooling subsystem is included which is disposed in contact with the substrate of the laser diode emitter. The cooling subsystem includes a plurality of cooling fins forming a plurality of elongated channels for circulating a cooling fluid therethrough to cool the laser diode emitter. The cooling fluid also flows over the facet of the laser diode emitter.

Systems and methods for laser diode array having integrated microchannel cooling

Techniques are provided for scaling the average power of high-energy solid-state lasers to high values of average output power while maintaining high efficiency. An exemplary technique combines a gas-cooled-slab amplifier architecture with a pattern of amplifier pumping and extraction in which pumping is continuous and in which only a small fraction of the energy stored in the amplifier is extracted on any one pulse. Efficient operation is achieved by propagating many pulses through the amplifier during each period equal to the fluorescence decay time of the gain medium, so that the preponderance of the energy cycled through the upper laser level decays through extraction by the amplified pulses rather than through fluorescence decay.

Scaling high-energy pulsed solid-state lasers to high average power

A method for increasing the MeV hot electron yield and secondary radiation produced by short-pulse laser-target interactions with an appropriately high or low atomic number (Z) target. Secondary radiation, such as MeV x-rays, gamma-rays, protons, ions, neutrons, positrons and electromagnetic radiation in the microwave to sub-mm region, can be used, e.g., for the flash radiography of dense objects.

Burst-mode chirped pulse amplification method

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Livermore, CA, United States of America

Thomas M Spinka