SOLICITATION NOTICE
66 -- VACUUM SPECTROMETER
- Notice Date
- 5/30/2007
- Notice Type
- Solicitation Notice
- NAICS
- 334516
— Analytical Laboratory Instrument Manufacturing
- Contracting Office
- NASA/Ames Research Center, JA:M/S 241-1, Moffett Field, CA 94035-1000
- ZIP Code
- 94035-1000
- Solicitation Number
- NNA07200549Q-AMG
- Response Due
- 6/13/2007
- Archive Date
- 5/30/2008
- Small Business Set-Aside
- N/A
- Description
- NASA/ARC has a requirement for One VM-504 Vacuum Spectrometer. NASA/ARC intends to purchase the item from Princeton Instruments/Acton because it is the only vacuum spectrometer on the market with the capability of housing three gratings inside the instrument. The grating in use can be selected under computer control without breaking the vacuum. Changing gratings is necessary to meet our requirements. We need to measure radiation spectra at different resolutions over a wide spectral region- one grating is insufficient and is a characteristic of all spectrometers, not just the VM-504. We will often need to change gratings. Breaking vacuum to change gratings risks introducing leaks and contamination and is to be avoided unless necessary. Manually changing a grating and verifying its installation with single-grating instruments requires several hours. The VM-504 can accomplish this task in minutes and without risk. This is the only vacuum on the market optimized for imaging an extended spatial region. It contains torodial mirrors and other internal optical components to correct for astigmatism. This preserves the spatial resolution from the entrance slit to the image plane. The VM-504 has secondary entrance and exit slits. Diverter mirrors inside the instrument to allow selection of the light path to/from the secondary slits. The secondary slits will be used to mount calibration lamps for wavelength and intensity calibration. The VM-504 is designed for use with our existing Princeton Instruments PI/MAX intensified charge-coupled device (ICCD) imaging detector array. No modifications to the VM-504 or array are necessary. The detector software is also compatible with the VM-504 control software. Gratings can be moved, changed and dynamically calibrated to the detector. The operator no longer needs to verify calibration when the grating position is moved back to a previously calibrated position; settings for each configuration can be stored for future recall. The detector and spectrometer software are integrated seamlessly ? all VM-504 features are available within the detector software environment: grating selection, center wavelength and scanning functions. The PI/Acton VM-504 is a catalog item and not developed specifically for our purposes. The delivery time is 90 days ARO. Other vendors capable of designing a custom product for our needs would require longer lead times and higher costs. This would adversely impact testing schedules formulated to meet FY-07 program milestones. Specific Requirements: An Acton VM-504 vacuum spectrometer with a secondary exit slit and three gratings will be used to measure vacuum ultraviolet (VUV) shock radiation in a shock tube experiment. The instrument will be used in imaging mode to collect spatially and spectrally resolved data. The spectrograph must meet the following requirements: ? Operation at vacuum wavelengths down to 120 nm ? 0.35 m to 0.45 m focal length ? Optimized for imaging capability over at minimum a 26 mm X 12mm image plane ? Multiple gratings that can be selected while under vacuum ? Secondary entrance and exit slits for calibration sources ? One low resolution grating (600 g/mm) blazed for UV wavelengths ? Two high resolution gratings (1200 g/mm and 2400 g/mm) blazed for VUV wavelengths ? Computer control of grating selection and wavelength ? Hardware and software compatibility with existing PI/MAX detector arrays ? Port for direct connection at high conductance to a turbomolecular pump The Government intends to acquire a commercial item using FAR Part 12. Interested organizations may submit their capabilities and qualifications to perform the effort in writing to the identified point of contact not later than 4:30 p.m. local time on June 13, 2007. Such capabilities/qualifications will be evaluated solely for the purpose of determining whether or not to conduct this procurement on a competitive basis. A determination by the Government not to compete this proposed effort on a full and open competition basis, based upon responses to this notice, is solely within the discretion of the government. Oral communications are acceptable in response to this notice. All responsible sources may submit an offer which shall be considered by the agency. An Ombudsman has been appointed. See NASA Specific Note "B". Any referenced notes may be viewed at the following URLs linked below.
- Web Link
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