Not Available We propose to develop a family of modular components for a second-generation fiber optical cable plant that is optimized for aerospace and shipboard applications. Specifically, designs will be proposed for connectors, splices, break-out boxes, backplane interfaces and fiber optic… More

Not Available Under the proposed project, Photon-X will demonstrate the feasibility of a compact, optically pumped, high gain, erbium perfluoro polymer optical fiber amplifier having low-loss at 1550 nm for operation in short and medium distance data communications network systems. The polymer… More

Not Available The objective of the proposed effort is to define and demonstrate a methodology to confidently predict the hydrodynamic performance of a prototype marine vehicle using data from small-scale experiments. Traditionally, the scaling of small-scale data to estimate prototype performance… More

Not Available Detailed cognitive task analysis (CTA) is an invaluable tool for system design, but it is extremely resource intensive and often the results are not transferable to other design projects. There are virtually no commercial tools to support CTA, and no methods or repositories for… More

Not Available As the use of complex simulation representations becomes more widespread, it is imperative that their accuracy be precisely defined. At the same time, however, the very nature of their increased complexity progressively prohibits the use of conventional methods of measuring or… More

With the achievement of 1.7 kW CW IR operation and an upgrade to 10kW in progress, free-electron lasers (FEL) are now a serious option for high-power, military and commercial applications. As specifically identified in the recent

65691 Extremely bright, affordable, photocathode electron sources are required for future DOE facilities such as the Next Linear Collider and Next Generation Light Sources. An electron gun with greater than 1 nC per bunch and less than 1 p mm-mrad normalized transverse rms emittance would meet… More

65702 A continuous wave cryogenic photocathode electron gun operating in the L-band is the preferred approach for a wide variety of next generation and advanced electron accelerators and light sources. The high average current required for these applications results in average power densities that… More

65691 Extremely bright, affordable, photocathode electron sources are required for future DOE facilities such as the Next Linear Collider and Next Generation Light Sources. An electron gun with greater than 1 nC per bunch and less than 1 p mm-mrad normalized transverse rms emittance would… More

"High power microwave (HPM) sources have important potential application in a variety of military and non-military areas. One of the key stepping stones to reaching many of these applications is the development of a source capable of gigawatt level poweroutput in a microsecond long pulse at a… More

65691 Extremely bright, affordable, photocathode electron sources are required for future DOE facilities such as the Next Linear Collider and Next Generation Light Sources. An electron gun with greater than 1 nC per bunch and less than 1 p mm-mrad normalized transverse rms emittance would… More

"With the achievement of 2.1 kW CW I R operation and an upgrade to10 kW in progress, free-electron lasers (FEL) are now a serious option for high-power, military and commercial applications. As specifically identified in the recent "Department of DefenseLaser Master Plan", the key technology issue… More

This Small Business Innovation Research (SBIR) Phase I project will develop a high-power Terahertz (THz) source concept and an overall THz system definition for fabrication and testing under a subsequent Phase II program. THz electromagnetic radiation, in the frequency range from 0.1 to 10 THz, is… More

With the achievement of 2.1 kW CW IR operation and an upgrade to 10 kW undergoing commissioning, free-electron lasers (FEL) are now a serious option for high-power, military and commercial applications. As specifically identified in the recent "Department of Defense Laser Master Plan", the key… More

This Small Business Innovative Research (SBIR) Phase II project will develop a tunable, compact, high-power Terahertz (THz) radiation source. The unique discriminator of the source is the projected power level, which is orders of magnitude greater than available semiconductor sources, should enable… More

High Power Microwave (HPM) systems capable of generating gigawatts of power for pulse lengths of microseconds have significant military applications. The military utility would be even greater if such systems could be packaged for placement in current Army mobile platforms (long range and short… More

75592-A radio frequency (RF) photoemission source that delivers polarized electrons at low emittance would be an attractive electron source for a linear collider. Moreover, if such a source were used in conjunction with nearby injection system optics, a beam with a high ratio of transverse… More

A definitive experimental study of cathode design and photoemissive materials for normal-conducting RF injectors is proposed. The University of Maryland (UMD) and Brookhaven National Laboratory (BNL) have agreed to collaborate with Advanced Energy Systems (AES) on this project. As an FFRDC, BNL… More

A definitive experimental study of photoemissive materials and cathode design and fabrication for RF electron injectors is proposed that will result in a recommended cathode approach for next step Navy FEL devices at the end of the program. The University of Maryland (UMD) and Brookhaven National… More

THz electromagnetic radiation in the frequency range from around 0.3 to 10 THz is an unexplored frontier in imaging science and technology whose application holds great promise for defense, medical imaging, drug discovery and homeland security. Present applications are limited by the availability… More

A radio frequency (RF) photoemission source that delivers polarized electrons at low emittance would be an attractive electron source for a linear collider. Moreover, it has been demonstrated recently that such a source, in conjunction with nearby injection-system optics, can deliver a beam with a… More

High-repetition-rate (>1 MHz), high-bunch-charge (up to 1 nC) electron sources, possessing the high gradients at the cathode surface that are needed for low emittance electron bunches, are critical components of next generation light sources, such as energy recovery linacs (ERLs) and free electron… More

Polarized electron beams are important to high energy physics and nuclear physics experiments. At present, linear colliders and nuclear science machines use DC polarized sources, as these have been proven to provide polarized beams with good cathode lifetimes and acceptable emittances. However,… More

High power, high frequency (100 GHz to 7 THz) RF sources can provide revolutionary advances in several militarily significant areas. THz imaging, spectroscopy and communications are important emerging applications. A THz spectrometer making use of a high power, tunable source would provide an… More

High Quantum effiency photocathodes with long life can provide revolutionary advances in several militarily significant areas. Diamond amplifiers can provide the required efficiency, however, these amplifiers are in invancy stage of engineering and manufacturing. The goal of this SBIR is to… More

Future third-generation light sources, such as the NSLS-II synchrotron light source proposed for Brookhaven National Laboratory, push the operating current and subsequent beam power to levels beyond the capabilities of single CESR-B cavities. The proposed light source will require 500mA and 1000kW… More

The International Linear Collider represents the next great undertaking for the worldwide high energy physics community. In addition to the technical challenges, the political realities demand that ILC R&D focus on reducing the cost of the components of this massive facility. The helium vessels that… More

Modern synchrotron light sources have come to rely upon superconducting radio frequency (SRF) acceleration to achieve high luminosity. To date, the workhorse in this area has been the SRF system for the CESR-B machine, which has been employed on many light sources in the last several years. However,… More

Regardless of the final choice of magnet technology and optics layout, most collider schemes will have a finite crossing angle with which bunches collide, resulting in a reduction in luminosity. It is accepted in the community that crab cavities can be developed to reduce this relative angle and… More

Modern synchrotron light sources have come to rely upon superconducting radio frequency (SRF) acceleration to achieve high luminosity. To date, the workhorse in this area has been the SRF system developed by Cornell in the mid-1990¿s for the CESR-B machine. However, as the quest for higher… More

High-repetition-rate (>1 MHz), high-bunch-charge (up to 1 nC) electron sources will be critical components of next generation light sources, which will be needed to upgrade DOE user facilities. These electron sources must possess high gradients at the cathode surface to provide for low emittance… More

Future third generation light sources, such as the NSLS-II synchrotron light source proposed for Brookhaven National Laboratory (BNL), push the operating current and subsequent beam power to levels beyond the capabilities of single CESR-B/KEKB cavities. The proposed light source requires 500mA and… More

The International Linear Collider (ILC) represents the next great undertaking for the worldwide high energy physics community. In addition to technical challenges posed by the project, the political realities demand a reduction in the cost of the components of this massive facility. The helium… More

Navy free-electron laser (FEL) weapon systems require robust long-lived cathodes for the electron injector. The cathodes must deliver very high bunch charge in extremely short time at high repetition rates. AES has been working with Brookhaven National Laboratory (BNL) through a Phase I NAVY SBIR… More

Measurement of the longitudinal charge distribution of short electron bunches moving with relativistic velocities is among the major challenges in the domain of accelerator diagnostics. The strict control of the longitudinal distribution is critical for the operation of X-ray Free Electron Lasers… More

Generation and preservation of ultrafast electron beams is one of the major challenges in accelerator R & amp;D. Space charge forces play a fundamental role in emittance dilution and bunch lengthening for all high brightness beams. In order to generate and preserve the ultrafast high-brightness… More

Free Electron Lasers are the Navy HEL system of choice (ONR FEL INP) for the maritime environment primarily because of wavelength selectivity for atmospheric transmission and compatibility with evolving All-Electric Ship concepts. The FEL generates intense photon beams by extracting kinetic energy… More

At present there exists a very significant science and technology gap for the production of photocathodes that have both high quantum efficiency (QE) and long lifetime. The National Academies has identified this as an area of critical importance to the development of high-power free-electron lasers… More