"This project seeks to study the potential use of high-frequency RF pulses generated by an ultrashort-pulse laser-produced plasma, as a means of disrupting the sensors of an aircraft or missile. Femtosecond laser plasmas can propagate over extendeddistances at very high intensity in the form of… More

This Small Business Innovation Research (SBIR) Phase I project proposes to study the feasibility of a simple and practical narrow-bandwidth vacuum ultraviolet (VUV)laser light source,tunable around 157 nm.This work will combine recent advances in laser technology and nonlinear- optical techniques… More

This Small Business Innovation Research Phase 1 project proposes to develop a femtosecond laser system optimized for optical clocks and other precision metrology applications. In principle, atomic optical transitions have the potential to provide radically higher-accuracy timekeeping, because of the… More

This SBIR Phase II project will develop a new generation of fully-coherent, solid-state, vacuum-Ultraviolet (UV) light sources at 157nm and 193nm, to support the next generation of semiconductor fabrication and metrology, as well as for applications in basic research. Currently available UV excimer… More

76244-New-generation accelerators such as the Linac Coherent Light Source at SLAC will require new, high-performance laser-driven photoinjectors. This will require a substantial advance in the state-of-the-art for ultrafast laser technology, in order to obtain the required pulse energy, shape and… More

The International Linear Collider is proposed to be a 40 km-long electron accelerator that will make it possible to explore the high-energy frontier in particle physics. At the front-end of this accelerator, the electron source is intended to be a laser-driven photocathode; however, an important… More

Compact, high average power, laser systems based on Yb-doped crystalline materials will be developed for military and industrial applications. Novel approaches that combine the use of compact diffractive/dispersive optics, cryogenic cooling, and direct diode pumping, will be utilized. This research… More

Bright, coherent light sources in the soft x-ray region of the spectrum are useful for a variety of applications of interest to DoE. However, for many applications, such as nanometer-scale microscopy in the ¿water window¿ region of the soft x-ray region of the spectrum (300-500 eV photon energy),… More

The International Linear Collider is a proposed 40 km-long electron accelerator that will enable the exploration of the high-energy frontier in particle physics. The electron source for the ILC is a laser-driven photocathode, and the primary unproven part of this technology is the development of a… More

Bright coherent light sources in the soft x-ray region of the spectrum are useful for a variety of applications of interest to the DOE. However for many applications, such as nanometer-scale microscopy in the ¿water window¿ region of the soft x-ray spectrum (300-500 eV), only large-scale… More

Ultrafast mid-IR sources are necessary for seeding the E-SASE FELs (enhanced self-amplified spontaneous emission free electron lasers) used at DOE facilities. These sources need to have ~mJ energies and very high (100 kHz) repetition rates at ~ 2-2.2 µm wavelength. While commercially available… More

This Small Business Innovation Research Phase I project is to develop a coherent extreme ultraviolet (EUV) light source for industrial application in support of EUV lithography. The Broad impact of this project represents an area of fundamental interest to optical science. The High Harmonic… More

Having recently built a 32-beam micromachining workstation, a systematic investigation that rigorously quantifies the multifocal, micromachining approach will be performed. While the manufacturing throughput gains of a multifocal approach are obvious, the method needs to be thoroughly characterized… More

Machining cooling holes in turbine fan blades is non-trivial. Blades and vanes are made from superalloys and coated with thermal barrier coatings (TBC) to survive extreme temperatures after the combustion section of a jet engine. Classical methods such as EDM or nanosecond laser micromachining have… More

The electron source at the front end of modern accelerators, also know as an electron ¿gun,¿ is a laser-driven photocathode. This technology requires the development of a laser with the required pulse characteristics and average power. This project will develop a compact and robust laser system… More

We propose to design a high average power Er:Fiber ultrafast laser system which is pumped at 14xxnm, and at the same time solve other problems related to ultrashort pulses in fiber lasers. The advantage of using 14xxnm pumping is the reduction of the standard quantum defect from 37% to 5%, thus… More

We are proposing to develop a highly parallel, rapid prototyping system for the manufacture of microfluidic devices. In this phase II proposal we will build a complete system for making such devices for continued research on fieldable microfluidic systems for use in the military, and in hospitals. … More

Bright coherent light sources in the soft x-ray region of the spectrum are useful for a variety of applications of interest to DOE in the basic sciences, nanoscience and biology, and for technological applications. At Free-Electron Laser Facilities, peak power output of the x-ray pulses is enhanced… More

Next generation free electron lasers (FEL) will enable the exploration of physics at high powers and long and short wavelengths. The electron "gun" is a laser-driven photocathode, and the primary unproven part of this technology is the development of a laser with the required pulse characteristics,… More

Light sources for X-Ray science have typically been synchrotrons and accosiated Free Electron Lasers (FEL). While these X-Ray light sources are some of the most versitile and powerful tools for a miriad of scientific study in the fields of chemistry, physics, and biology, they tend to be $100M +… More

X-rays, by virtue of their short wavelength, are ideal probes of surfaces, nanostructures and materials. X-rays can image small objects, penetrate thick samples, while the presence of elemental absorption edges in the soft x-ray region allows element and chemical-specific spectroscopy and imaging.… More

Cooling holes in turbine fan blades is a key element in proper jet engine function. Drilling of these holes with current technology can be costly and difficult leading to (a) not enough holes, (b) holes without the proper shape, and (c) defects in the thermal barrier coating resulting from post… More

ABSTRACT: Microscopy is a critical enabling technology for advancing our understanding of nature. Imaging nanoscale objects with light in the extreme ultraviolet (EUV) and soft x-ray regions of the spectrum has advantages over visible light for resolution, elemental specificity, and imaging… More

The development of new DOE ultrashort-pulse x-ray facilities creates exciting new possibilities for understanding dynamic processes in nature on the fundamental atomic length and length scales; i.e. sub- nm and femtosecond. However, to make full use of planned facilities such as the Short Pulse… More