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3(omega) damage threshold evaluation of final optics components using Beamlet mule and off-line testing
A statistics-based model is being developed to predict the laser-damage-limited lifetime of UV optical components on the NIF laser. In order to provide data for the model, laser damage experiments were performed on the Beamlet laser system at LLNL. An early prototype NIF focus lens was exposed to twenty 35 1 nm pulses at an average fluence of 5 J/cm{sup 2}, 3ns. Using a high resolution optic inspection system a total of 353 damage sites was detected within the 1160 cm{sup 2} beam aperture. Through inspections of the lens before, after and, in some cases, during the campaign, pulse to pulse damage growth rates were measured for damage initiating both on the surface and at bulk inclusions. Growth rates as high as 79 {micro}m/pulse (surface diameter) were observed for damage initiating at pre-existing scratches in the surface. For most damage sites on the optic, both surface and bulk, the damage growth rate was approximately l0{micro}m/pulse. The lens was also used in Beamlet for a subsequent 1053 {micro}m/526 {micro}m campaign. The 352 {micro}m-initiated damage continued to grow during that campaign although at generally lower growth rate.
Date:
July 27, 1998
Creator:
Kozlowski, M. F.; Maricle, S.; Mouser, R.; Schwartz, S.; Wegner, P. & Weiland, T.
Object Type:
Article
System:
The UNT Digital Library
209-E Building -- Response to ventilation failure evaluation
This document provides an evaluation and recommendations for radiological workplace air monitoring and response to ventilation failure for the Critical Mass Laboratory, 209-E Building. The Critical Mass Laboratory, part of the 209-E Building, was designed to provide a heavily shielded room where plutonium and uranium liquid solutions could be brought into various critical configurations under readily controlled and monitored conditions. The facility is contained within a one-story L-shaped concrete block and reinforced concrete building. One wing houses offices, a control room, shops, and a common area while the other wing includes an equipment room, the change room, work areas, and the two-story Critical Assembly Room (CAR). Three of the rooms contain radiologically contaminated equipment and materials.
Date:
July 27, 1998
Creator:
Foust, D.J.
Object Type:
Report
System:
The UNT Digital Library
324 Facility B-cell quality process plan
Quality Process Plan for the Restart of Cell Hot-Work. Addition of Table 4.
Date:
October 27, 1998
Creator:
Carlson, J. L.
Object Type:
Report
System:
The UNT Digital Library
324 Facility B-cell quality process plan
Quality Process Plan for the Restart of Cell Hot-Work. Addition of Table 5a.
Date:
October 27, 1998
Creator:
RIDDELLE, J.G.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 27, No. 20, Ed. 1 Friday, February 27, 1998
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 27, 1998
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 27, No. 23, Ed. 1 Friday, March 27, 1998
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 27, 1998
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
304L stainless steel resistance to cesium chloride
B and W Hanford Company have two Oak Ridge National Laboratory (ORNL) Type 4 canisters filled with cesium chloride (CsCl) originally produced at WESF (Waste Encapsulation and Storage Facility). These canisters are constructed of 304L stainless steel per drawing ORNL 970-294. Instead of removing the CsCl from the Type 4 canisters and repacking into an Inner Capsule, it is intended (for ALARA, schedule and cost purposes) that the Type 4 canisters be decontaminated (scrubbed) and placed [whole] inside a Type ``W`` overpack. The overpack is constructed from 316L stainless steel. Several tests have been run by Pacific Northwest National Laboratory (PNNL) over the. years documenting the corrosion compatibility of 316L SS with CsCl (Bryan 1989 and Fullam 1972). However, no information for 304L SS compatibility is readily available. This document estimates the corrosion resistance of 304L stainless steel in a WESF CsCl environment as it compares with that of 316L stainless steel.
Date:
August 27, 1998
Creator:
Graves, C. E.
Object Type:
Report
System:
The UNT Digital Library
Active source requirements for assay of sludge drums on the BIR WIT system
The design of the active source for active and passive computed tomography (A&PCT) is critical with respect to accuracy and throughput. The A&PCT active source requirements are highly dependent upon the attenuation properties of the waste matrix within the drum. On of the most highly attenuating waste matrices is sludge. This waste stream will consist of solidified aqueous waste consisting of IDC 001 first stage sludge and IDC 007 wet sludge. Also, the stream consists of solidified organic waste known as code IDC 003 organic setups. We have evaluated the sludge drum data that was previously acquired on the WIT system and have determined that the active source activity must be increased to provide reasonable throughput. The sludge drum that is evaluated here is drum CEPRF11. CEPRF11 is a test drum that was part of the Nondestructive Assay system Capability Evaluation Project (CEP) and contained an actual Rocky Flats waste that is categorized as code 003 solidified organic waste. The full drum was evaluated and found to be somewhat homogenous; therefore, a single slice is arbitrarily chosen to represent the entire drum. Slice number 8 is used and is located approximately at the center of the drum. Figure 1 shows …
Date:
April 27, 1998
Creator:
Roberson, G. P. & Camp, D. C.
Object Type:
Report
System:
The UNT Digital Library
Advanced Photon Source monopulse RF beam position monitor front-end upgrade.
This paper will describe and analyze the rf beam position monitor (RFBPM) front-end upgrade for the Advanced Photon Source (APS) storage ring. This system is based on amplitude-to-phase (AM/PM) conversion monopulse receivers. The design and performance of the existing BPM front-end will be considered as the baseline design for the continuous effort to improve and upgrade the APS beam diagnostics. The upgrade involves redesigning the in-tunnel filter comparator units to improve insertion loss, return loss, and bandpass filter matching that presently limit the different fill patterns used at APS.
Date:
May 27, 1998
Creator:
Lill, R. M.
Object Type:
Article
System:
The UNT Digital Library
Affirmative Action: Recent Congressional and Presidential Activity
This report discusses how the Clinton administration has handled affirmative action policies. According to the report, the Clinton administration opposed efforts to terminate affirmative action and has instead suggested reforms.
Date:
May 27, 1998
Creator:
Bruno, Andorra
Object Type:
Report
System:
The UNT Digital Library
Affirmative Action: Recent Congressional and Presidential Activity
In recent years, the U.S. Congress and the President have been reevaluating, and proposing changes to, existing affirmative action policies. Multiple bills to restrict affirmative action were introduced in the 104th Congress, but only one limited measure was enacted. Some anti-preference legislation is currently before the 105th Congress. The Clinton Administration has generally opposed efforts to terminate affirmative action programs and, instead, has proposed various reforms.
Date:
May 27, 1998
Creator:
Bruno, Andorra
Object Type:
Report
System:
The UNT Digital Library
An AGS experiment to test bunching for the proton driver of the muon collider.
The proton driver for the muon collider must produce short pulses of protons in order to facilitate muon cooling and operation with polarized beams. In order to test methods of producing these bunches they have operated the AGS near transition and studied procedures which involved moving the transition energy {gamma} to the beam energy. They were able to produce stable bunches with RMS widths of {sigma} = 2.2-2.7 ns for longitudinal bunch areas of {minus}1.5 V-s, in addition to making measurements of the lowest two orders of the momentum compaction factor.
Date:
April 27, 1998
Creator:
Norem, J.
Object Type:
Article
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 132, No. 13, Ed. 1 Thursday, August 27, 1998
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
August 27, 1998
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 98, No. 266, Ed. 1 Tuesday, January 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 98, No. 292, Ed. 1 Friday, February 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 12, Ed. 1 Friday, March 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 38, Ed. 1 Monday, April 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 64, Ed. 1 Wednesday, May 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 116, Ed. 1 Monday, July 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 141, Ed. 1 Thursday, August 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 167, Ed. 1 Sunday, September 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 193, Ed. 1 Tuesday, October 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 221, Ed. 1 Friday, November 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 99, No. 245, Ed. 1 Sunday, December 27, 1998
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 27, 1998
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History